Buffer member assembly jig and buffer member assembly method using said jig

Abstract

To improve the workability of assembling a cushioning member on a door frame.SOLUTION: A jig 9 including a first straight section 90, a second straight section 91, and a corner section 94 of the first straight section 90 and the second straight section 91, and formed with a first recessed groove 92 and a second recessed groove 93 is prepared, end faces 700, 800, 810 are held in a close contact manner by an adhesive after fitting a first buffer member 7A into the first recess groove 92, a second buffer member 7B into the second recess groove 93, and a third buffer member 8 into the recess groove of the corner section 94, and a cushioning members 7', which are integrated by bonding the end faces 700, 800, and 810 to each other, is removed from the jig 9 after the adhesive has cured.SELECTED DRAWING: Figure 7

Description

[Technical Field]

[0001] The present invention relates to an assembly jig for a shock-absorbing member and a method for assembling a shock-absorbing member using the jig. [Background technology]

[0002] In door devices that require waterproofing and airtightness, grooves are provided around the door frame, and buffer members (watertight or airtight rubber) are fitted into the grooves around the entire frame, so that the door body in the fully closed position is tightly attached to the buffer members, thereby ensuring waterproofing and airtightness (Patent Document 1).

[0003] Typically, the corners of a four-sided cushioning member are formed from L-shaped corner pieces, and the end faces of the linear cushioning members and the corner pieces are bonded together with adhesive. Conventional adhesives require at least five minutes to harden, and the adhesive must be maintained for a certain period of time between the end faces of the linear cushioning members and the corner pieces. Traditionally, this process has been performed manually, which, combined with the need to hold the cushioning members, which have complex cross-sectional shapes, in place, makes the process less efficient.

[0004] Furthermore, because the buffer members that fit into the grooves around the door frame are assembled around the entire circumference, the above process must be performed at all four corners. It takes additional time (e.g., more than an hour) for the adhesive to completely harden and for the end faces of the linear buffer members to become one with the end faces of the corner pieces. Therefore, if the buffer member is twisted during the subsequent bonding process of the other end face of the buffer member after bonding one end face of the linear buffer member to the end face of the corner piece with adhesive, the adhesive surface on one end face of the buffer member may peel off or become misaligned. Incomplete connection points (e.g., gaps) in the buffer member can cause water leakage, for example, in waterproof doors. [Patent Document 1] Patent Publication No. 2020-84610 DISCLOSURE OF THE INVENTION [Problem to be solved by the invention]

[0005] SUMMARY OF THE INVENTION An object of the present invention is to improve the workability of assembling a shock absorbing member to be provided in a door frame. [Means for solving the problem]

[0006] The technical means adopted by the present invention are: A jig for assembling by bonding end surfaces of at least two buffer members, The cushioning member has at least a straight portion, the straight portion having a bottom wall and a pair of opposing side walls, and the bottom wall and the pair of side walls form a recessed groove into which the cushioning member is fitted with the end faces in close contact with each other. This is an assembly jig for cushioning materials. In this specification, the term "buffering material" includes materials such as watertight materials, watertight rubber, airtight materials, and airtight rubber. Typically, the buffering material is provided on the door frame side, and when the opening is fully closed, the door body abuts against the buffering material to buffer direct contact between the door body and the door frame and also seal the gap between the door body and the door frame, thereby achieving watertightness and airtightness.

[0007] In one embodiment, the assembly jig is a jig for assembling the first and second buffer members by bonding an end surface of the first buffer member that extends in an elongated shape to a first end surface of the L-shaped third buffer member and by bonding an end surface of the second buffer member that extends in an elongated shape to a second end surface of the L-shaped third buffer member; the assembly jig has an L-shape formed by a first linear portion, a second linear portion, and a corner portion between the first linear portion and the second linear portion; The third buffer member is fitted into the groove of the corner portion, the end face of the first buffer member and the first end face of the third buffer member are held in close contact with each other in the groove of the first straight portion, and the end face of the second buffer member and the second end face of the third buffer member are held in close contact with each other in the groove of the second straight portion. In one embodiment, a through hole is formed in the bottom wall of the corner portion.

[0008] In one embodiment, the pair of side walls have low-profile portions located at the connection between the end faces, and the pair of side walls have high-profile portions that are taller than the low-profile portions. In one embodiment, the assembly jig is a jig for assembling the first and second buffer members by bonding an end surface of the first buffer member that extends in an elongated shape to a first end surface of the L-shaped third buffer member and by bonding an end surface of the second buffer member that extends in an elongated shape to a second end surface of the L-shaped third buffer member; the assembly jig has an L-shape formed by a first linear portion, a second linear portion, and a corner portion between the first linear portion and the second linear portion; a portion of the side wall of the first straight section corresponding to a connection portion between an end surface of the first buffer member and a first end surface of the third buffer member, and a portion of the side wall of the second straight section corresponding to a connection portion between an end surface of the second buffer member and a second end surface of the third buffer member are low-profile portions; In the pair of side walls, one or both of the portions located on both sides of the low portion are high portions. In the embodiment described later, the tip end portion of the side wall of the first straight portion and the side wall of the corner, and the tip end portion of the side wall of the second straight portion and the side wall of the corner are high-back portions. In one embodiment, an opening is formed in the bottom wall in a region including the connection portion between the end faces.

[0009] The method for assembling the buffer member according to the present invention comprises the steps of: a jig having at least a straight portion, the straight portion having a bottom wall and a pair of opposing side walls, the bottom wall and the pair of side walls forming a recessed groove; Two buffer members are fitted into the recessed grooves, and the end faces are held in close contact with each other via an adhesive; After the adhesive has hardened, the buffer member, the end faces of which have been bonded together and integrated, is removed from the jig.

[0010] In one embodiment, the jig has an L-shape formed by a first linear portion, a second linear portion, and a corner portion between the first linear portion and the second linear portion, the jig is a jig for assembling the first and second buffer members by bonding an end surface of the first buffer member, which extends in a long shape, to a first end surface of the L-shaped third buffer member, and by bonding an end surface of the second buffer member, which extends in a long shape, to a second end surface of the L-shaped third buffer member; holding the first buffer member and the third buffer member in a state in which the end surface of the first buffer member and the first end surface of the third buffer member are in close contact with each other via an adhesive, with the first buffer member fitted in the recessed groove of the first linear portion and the third buffer member fitted in the recessed groove of the corner portion; holding the second buffer member and the third buffer member in a state in which the end surface of the second buffer member and the second end surface of the third buffer member are in close contact with each other via an adhesive, with the second buffer member fitted in the recessed groove of the second straight portion and the third buffer member fitted in the recessed groove of the corner portion; After the adhesive has hardened, the buffer member whose end faces have been bonded together and integrated is removed from the jig. Includes: In one embodiment, a through hole is formed in the bottom wall of the corner portion, When the integrated buffer member is to be removed from the jig, a shaft member is inserted through the through hole.

[0011] In one embodiment, in addition to holding the end faces in close contact with each other in the recessed groove via an adhesive, and applying an adhesive to the periphery of the contact surface between the end faces. In one embodiment, the jig is a jig for assembling the first and second buffer members by bonding an end surface of the first buffer member that extends in a long shape to a first end surface of the L-shaped third buffer member and by bonding an end surface of the second buffer member that extends in a long shape to a second end surface of the L-shaped third buffer member; applying an adhesive to the periphery of the contact surface of the first end surface of the first buffer member and the third buffer member; applying an adhesive to the periphery of the contact surface of the second end surface of the second buffer member and the third buffer member; Includes:

[0012] In one embodiment, the pair of side walls have low-profile portions located at the connection between the end faces, and the pair of side walls have high-profile portions that are taller than the low-profile portions. In one embodiment, the jig is a jig for assembling the first and second buffer members by bonding an end surface of the first buffer member that extends in a long shape to a first end surface of the L-shaped third buffer member and by bonding an end surface of the second buffer member that extends in a long shape to a second end surface of the L-shaped third buffer member; the jig has an L-shape formed by a first linear portion, a second linear portion, and a corner portion between the first linear portion and the second linear portion, a portion of the side wall of the first straight section corresponding to a connection portion between an end surface of the first buffer member and a first end surface of the third buffer member, and a portion of the side wall of the second straight section corresponding to a connection portion between an end surface of the second buffer member and a second end surface of the third buffer member are low-profile portions; In the pair of side walls, one or both of the portions located on both sides of the low portion are high portions. In the embodiment described later, the tip end portion of the side wall of the first straight portion and the side wall of the corner, and the tip end portion of the side wall of the second straight portion and the side wall of the corner are high-back portions. In one embodiment, an opening is formed in the bottom wall in a region including the contact surface between the end surfaces, The adhesive is applied to the periphery of the adhesive surface through the opening and / or excess adhesive is allowed to escape through the opening. [Effects of the Invention]

[0013] In the present invention, a jig is prepared that has a groove that imitates the groove into which the buffer member is actually fitted (typically the corner of a groove around the circumference of a door frame), and two buffer members are fitted and held in the groove with their end faces in close contact with each other via adhesive.This eliminates the need to hold the buffer members, whose ends are in close contact with each other, by hand for the planned time while maintaining the close contact state, thereby improving workability. [Brief explanation of the drawings]

[0014] [Figure 1]FIG. 2 is a front view of the door device according to the embodiment. [Figure 2] 1 is a vertical cross-sectional view of a door device according to an embodiment of the present invention. [Figure 3] 1 is a cross-sectional view of a door device according to an embodiment of the present invention. [Figure 4] 10 is a diagram showing a state in which the buffer member according to the embodiment is assembled in a four-circumferential manner. FIG. [Figure 5] 1A and 1B are diagrams showing an assembly jig according to this embodiment, in which (A) is a front view, (B) is a side view of the second straight portion, (C) is a side view of the first straight portion, (D) is a cross-sectional view taken along the arrow D in (A), (E) is a cross-sectional view taken along the arrow E in (A), and (F) is a cross-sectional view taken along the arrow F in (A). [Figure 6] FIG. 10 is a diagram showing a state in which the first, second, and third buffer members are held in an assembly jig with their end faces in close contact with each other. [Figure 7] 10A to 10C are diagrams illustrating a method for assembling a buffer member using an assembly jig according to the present embodiment. [Figure 8] 10A and 10B are diagrams illustrating a method of assembling a buffer member using an assembly jig according to the present embodiment, showing the assembly jig being positioned and installed in a recessed groove at the corner of a door frame. DETAILED DESCRIPTION OF THE INVENTION

[0015] [A] Overall structure of the door device An embodiment of the present invention will be described with reference to the drawings. As shown in Fig. 1, a door device comprises a four-sided door frame 1 and a door body 2 that opens and closes a vertically rectangular opening formed by the door frame 1. The door frame 1 is assembled into a vertically rectangular shape from a horizontally extending upper frame 3, left and right vertical frames 4 and 5, and a horizontally extending lower frame 6. The door body 2 has a first visible surface 20 on the outside, a second visible surface 21 on the inside, an upper surface 22, a lower end 23, a door leading end surface 24, and a door trailing end surface 25.

[0016] The door frame 1 is formed with four circumferentially recessed grooves 30, 40, 50, and 60 that open toward the outside of the room. Elastic buffer members 7' are attached to the four circumferential grooves 30-60 along the entire length of the grooves. When the door body 2 closes the building opening, the upper, lower, leading-edge, and trailing-edge portions of the second visible surface 21 of the door body 2 come into contact with the buffer members 7', thereby forming a four-circumferentially sealed structure around the building opening (see FIGS. 1 to 3). While the illustrated embodiment shows a single-wing door, those skilled in the art will understand that the buffer member assembly jig and the buffer member assembly method using the jig according to the present invention can also be applied to the assembly of the buffer member 7' for a double-wing door.

[0017] [B] Buffer member In this specification, a cushioning member 7' refers to a cushioning member assembled into an integrated structure in a four-way circle. In this embodiment, the cushioning member 7' is assembled from four elongated cushioning members 7 and four L-shaped cushioning members (corner pieces) 8. Fig. 4 is a front view of the cushioning member 7' assembled in a four-way circle. The cushioning member 7' is assembled from an upper cushioning member (upper frame cushioning member) 7 extending horizontally, a lower cushioning member (lower frame cushioning member) 7 extending horizontally, left and right cushioning members (vertical frame cushioning members) 7 extending vertically, and the four cushioning members (corner pieces) 8. The cushioning member 7 is an elongated member extending linearly, and the cushioning member 8 has an L-shape formed from a first portion 80 and a second portion 81, and the first portion 80 and the second portion 81 are short.

[0018] End faces 700 at both longitudinal ends of the buffer member 7, a first end face 800 of the first portion 80 of the buffer member 8, and a second end face 810 of the second portion 81 are adhered in close contact with each other via an adhesive. The upper left buffer member 8 is located between one end of the upper buffer member 7 and the upper end of the left buffer member 7, forming a first corner of the four-circumferential buffer member 7'; the upper right buffer member 8 is located between the other end of the upper buffer member 7 and the upper end of the right buffer member 7, forming a second corner of the four-circumferential buffer member 7'; the lower left buffer member 8 is located between one end of the lower buffer member 7 and the lower end of the left buffer member 7, forming a third corner of the four-circumferential buffer member 7'; and the lower right buffer member 8 is located between the other end of the lower buffer member 7 and the lower end of the right buffer member 7, forming a fourth corner of the four-circumferential buffer member 7'.

[0019] If the door device is a waterproof door, the buffer members 7, 8 can be replaced with watertight materials or watertight rubber. If the door device is an airtight door, the buffer members 7, 8 can be replaced with airtight materials or airtight rubber. The buffer member 7 according to this embodiment is a long piece of watertight rubber extending along the length of the grooves 30-60. It comprises a base 70 fitted into the grooves 30-60 and a hollow, roughly cylindrical bulge 71. The base 70 has multiple fins 72 on both sides and a solid seat 73 (protruding from the hollow portion of the bulge 71), and the bulge 71 has a fin 74 on one side. The buffer member (corner piece) 8 according to this embodiment is watertight rubber and has the same cross-sectional shape and cross-sectional dimensions as the buffer member 7. The cross-sectional shape of the buffer member 7 can be determined by reference to the description of the cross-sectional shape of the buffer member 7.

[0020] The door frame 1 has grooves 30-60 fitted with a set of buffer members 7' assembled around its periphery, with bulges 71 projecting outward from the grooves 30-60. When the door opening is fully closed, the corners of the periphery of the second visible surface 21 of the door body 2 press against the bulges 71, sealing the gap between the door frame 1 and the door body 2 and forming a watertight structure (see FIGS. 2 and 3). In the illustrated embodiment, the buffer member 7' is assembled from four elongated buffer members 7 and four buffer members (corner pieces) 8. However, the elongated buffer member 7 may also be formed by connecting multiple shorter buffer members in a lengthwise direction with adhesive. While the illustrated embodiment discloses an L-shaped jig 9, a linear jig may be used to hold the end faces of two buffer members in close contact with each other with adhesive.

[0021] [C] Jig In this embodiment, a fixing jig or assembly jig 9 is used to connect the longitudinal end surface 700 of the buffer member 7 to the first end surface 800 and the second end surface 810 of the buffer member 8 using an adhesive. The jig 9 in this embodiment is made of resin, but the material of the jig 9 is not limited thereto. As shown in FIG. 5 , the jig 9 in this embodiment has a first linear portion 90 extending in a first direction and a second linear portion 91 extending in a second direction perpendicular to the first direction, and has an L-shape when viewed from the front. The first linear portion 90 has a first groove 92, and the second linear portion 91 has a second groove 93. The first groove 92 and the second groove 93 form a continuous L-shaped groove. The base end portions of the first linear portion 90 and the second linear portion 91 are integrated to form a corner portion 94. The corner portion 94 is formed by a base end portion of the first straight portion 90 and a base end portion of the second straight portion 91. In the corner portion 94, the first groove 92 and the second groove 93 communicate with each other to form a groove 94' of the corner portion 94. The L-shaped first groove 92 and second groove 93 (including the groove 94') have shapes and dimensions corresponding to the corners of the groove portions 30 to 60 around the door frame 1.

[0022] The first linear portion 90 of the jig 9 includes a bottom wall 900 and opposing outer and inner walls 901 and 902. The bottom wall 900 and the opposing outer and inner walls 901 and 902 form a first groove 92 extending in a first direction, with the upper side of the first groove 92 (the side away from the bottom wall 900) being open. In this embodiment, the outer and inner walls 901 and 902 are formed continuously in the length direction of the first linear portion 90; however, the outer and inner walls 901 and 902 may be partially discontinued (i.e., the portion is flush with the bottom wall 900) as long as the first groove 92 is substantially formed so that the buffer member 7 can be fitted into and held therein.

[0023] The second linear portion 91 of the jig 9 includes a bottom wall 910 and opposing outer and inner walls 911 and 912. The bottom wall 910 and the opposing outer and inner walls 911 and 912 form a second groove 93 extending in a second direction, with the upper side of the second groove 93 (the side away from the bottom wall 910) being open. In this embodiment, the outer and inner walls 911 and 912 are formed continuously in the length direction of the second linear portion 91; however, the outer and inner walls 911 and 912 may be partially discontinued (i.e., the portion is flush with the bottom wall 910) as long as the second groove 93 is substantially formed so that the buffer member 7 can be fitted into and held therein.

[0024] In this embodiment, the bottom wall 900 of the first straight portion 90 and the bottom wall 910 of the second straight portion 91 of the jig 9 continuously form an L-shaped bottom wall in a front view, the outer wall 901 of the first straight portion 90 and the outer wall 911 of the second straight portion 91 form an L-shaped outer wall in a front view, the inner wall 902 of the first straight portion 90 and the inner wall 912 of the second straight portion 91 form an L-shaped inner wall in a front view, and the first groove 92 of the first straight portion 90 and the second groove 93 of the second straight portion 91 form an L-shaped groove in a front view, with both ends of the groove being open.

[0025] An opening 920 is formed in a proximal portion of the first groove 92 in the first straight portion 90 of the jig 9, and an opening 930 is formed in a proximal portion of the second groove 93 in the second straight portion 91. The portion sandwiched between the openings 920 and 930 forms a bottom wall 940 of a corner 94. The proximal portions of the outer wall 901 of the first straight portion 90 and the outer wall 911 of the second straight portion 91 are integrated to form an L-shaped outer wall 941 located at the corner 94. The proximal portions of the inner wall 902 of the first straight portion 90 and the inner wall 912 of the second straight portion 91 are integrated to form an inner wall 942 of a prismatic corner 94 located at the corner 94. A circular through-hole 943 is formed in the bottom wall 940 of the corner 94. The cross-sectional shape of the through-hole 943 is not limited.

[0026] In the first straight portion 90 of the jig 9, a tip end portion 9010 of the outer wall 901 and a tip end portion 9020 of the inner wall 902 are high-profile portions with a large height dimension, and the tip end portion of the first groove 92 is a deep groove portion. In the second straight portion 91 of the jig 9, a tip end portion 9110 of the outer wall 911 and a tip end portion 9120 of the inner wall 912 are high-profile portions with a large height dimension, and the end portion of the second groove 93 is a deep groove portion. In the corner portion 94 of the jig 9, the L-shaped outer wall 941 and the columnar inner wall 942 are high-profile portions with a large height dimension, and the groove in the corner portion 94 of the jig 9 is a deep groove portion.

[0027] In the jig 9 according to this embodiment, the outer wall 901 and inner wall 902 of the first straight portion 90 and the outer wall 911 and inner wall 912 of the second straight portion 91 have low-profile portions 9011, 9021, 9111, and 9121 except for the high-profile portions (tip portion 9010 of the outer wall 901, tip portion 9020 of the inner wall 902, tip portion 9110 of the outer wall 911, tip portion 9120 of the inner wall 912, outer wall 941 of the corner portion 94, and columnar inner wall 942), and the first groove 92 and second groove 93 located in the low-profile portions 9011, 9021, 9111, and 9121 are shallow groove portions.

[0028] 6, when the buffer member 7 is fitted into the first groove 92 of the first straight portion 90, the bottom surface of the base 70 of the buffer member 7 contacts the bottom wall 900, the heights of the low-profile portions 9011, 9021, 9111, and 9121 of a pair of side walls (outer walls 901, 902, 911, and 912) of the jig 9 correspond to the base 70 of the buffer member 7 fitted into the shallow groove portion, the left and right fins 72 of the base 70 contact the inner surfaces of the opposing outer wall 901 and inner wall 902, and the bulge 71 is located above the upper end of the low-profile portion. The height of the high-profile portion corresponds to the lower half of the bulge 71 of the buffer member 7 fitted into the deep groove portion, and the upper end portions of the inner surfaces of the tip end portion 9010 of the outer wall 901 and the tip end portion 9020 of the inner wall 902 contact or are close to the lower half of the bulge 71 (one of the fins 74).

[0029] [D] Temporary fixing structure of cushioning material using a jig The L-shaped jig 9 according to this embodiment is used to bond, via adhesive, end faces 700 of two buffer members 7 extending in a perpendicular direction to a first end face 800 of a first portion 80 and a second end face 810 of a second portion 81 of a buffer member 8, which is a corner piece. In the following description, the two buffer members 7 will be referred to as the first buffer member and the second buffer member, and the L-shaped buffer member 8 will be referred to as the third buffer member. In the following description with reference to FIGS. 6 to 8, the first buffer member and the second buffer member will be referred to as the "first buffer member 7A" and the "second buffer member 7B" to distinguish them from each other. The third buffer member will be referred to as the "third buffer member 8." Jig 9 is a jig for assembling the elongated first buffer member 7A by bonding the end face 700 of the elongated first buffer member 7A to the first end face 800 of the first part 80 of the L-shaped third buffer member 8 using an adhesive, and for assembling the elongated second buffer member 7B by bonding the end face 700 of the elongated second buffer member 7B to the second end face 810 of the second part 81 of the third buffer member 8 using an adhesive.

[0030] As shown in Figure 6, the third buffer member 8 is fitted into the groove 94' of the corner portion 94 of the jig 9, the first buffer member 7A is fitted into the first groove 92 of the first straight portion 90, and the jig 9 holds the end face 700 of the first buffer member 7A and the first end face 800 of the first part 80 of the third buffer member 8 in close contact with each other via an adhesive, and the second buffer member 7B is fitted into the second groove 93 of the second straight portion 91, and the jig 9 holds the end face 700 of the second buffer member 7B and the second end face 810 of the second part 81 of the third buffer member 8 in close contact with each other via an adhesive.

[0031] When the first buffer member 7A is fitted into the first groove 92 of the first linear portion 90, the contact portion or contact surface between the end surface 700 of the first buffer member 7A and the first end surface 800 of the first portion 80 of the third buffer member 8 is located in the low portions 9011 and 9021 of the outer wall 901 and the inner wall 902, respectively, and is also located in the opening 920 of the bottom wall 900. The vicinity of the contact surface between the end surface 700 of the first buffer member 7A and the first end surface 800 of the first portion 80 of the third buffer member 8 (including the entire periphery of the bulging portion 71 of the first buffer member 7A and the bulging portion of the buffer member 8 in the illustrated embodiment) is exposed above the low portions 9011 and 9021 of the outer wall 901 and the inner wall 902, making it possible to apply adhesive to a wider area around the contact surface between the end surface 700 of the first buffer member 7A and the first end surface 800 of the first portion 80 of the third buffer member 8. The area around the adhesive surface where the adhesive is applied is shown as an applied area 11.

[0032] The tip end portion of the first buffer member 7A is fitted into the deep groove portion (the portion in the first groove 92 between the tip end portion 9010 of the outer wall 901 and the tip end portion 9020 of the inner wall 902), and the first portion 80 of the third buffer member 8 is fitted into the deep groove portion (the portion between the outer wall 941 and the inner wall 942), and the first buffer member 7A and the first portion 80 of the third buffer member 8 are held in the first groove 92 of the jig 9 in a linear position in which the end face 700 of the first buffer member 7A and the first end face 800 of the first portion 80 of the third buffer member 8 are in close contact with each other.

[0033] When the second buffer member 7B is fitted into the second groove 93 of the second linear portion 91, the contact portion or contact surface between the end surface 700 of the second buffer member 7B and the second end surface 810 of the second portion 81 of the third buffer member 8 is located in the low portions 9111 and 9121 of the outer wall 911 and the inner wall 912, and is also located in the opening 930 of the bottom wall 910. The vicinity of the contact portion between the end surface 700 of the second buffer member 7B and the second end surface 810 of the second portion 81 of the third buffer member 8 (including the entire periphery of the bulging portion 71 of the second buffer member 7B and the bulging portion of the buffer member 8 in the illustrated embodiment) is exposed upward at the low portions 9111 and 9121 of the outer wall 911 and the inner wall 912, making it possible to apply adhesive to a wider area around the contact surface between the end surface 700 of the second buffer member 7B and the second end surface 810 of the second portion 81 of the third buffer member 8. The area around the adhesive surface where the adhesive is applied is shown as an applied area 11.

[0034] The tip end portion of the second buffer member 7B is fitted into the deep groove portion (the portion in the second groove 93 between the tip end portion 9110 of the outer wall 911 and the tip end portion 9120 of the inner wall 912), and the second portion 81 of the third buffer member 8 is fitted into the deep groove portion (the portion between the outer wall 941 and the inner wall 942), and the second buffer member 7B and the second portion 81 of the third buffer member 8 are held in the second groove 93 of the jig 9 in a linear position in which the end face 700 of the second buffer member 7B and the second end face 810 of the third buffer member 8 are in close contact with each other.

[0035] [E] Fixing method of cushioning material using a jig 7, a method for fixing the buffer members (first buffer member 7A, second buffer member 7B, buffer member 8) using jig 9 will be described. Jig 9 is installed in a predetermined location. For example, jig 9 is installed by leaning it against a wall or by detachably fixing it with adhesive tape. In the illustrated embodiment, jig 9 is fixed in an orientation in which first linear portion 90 of jig 9 is horizontal and second linear portion 91 is vertical.

[0036] The third buffer member 8 is fitted into the recessed groove 94' in the corner 94 of the jig 9. In order to precisely align the first end face 800 of the first portion 80 of the third buffer member 8 and the second end face 810 of the second portion 81 with the end face 700 of the first buffer member 7A and the end face 700 of the second buffer member 7A, the third buffer member 8 is fitted with the bottom face of its base abutting the bottom face of the recessed groove 94'. The third buffer member 8 may also be fitted into the recessed groove 94' in the corner 94 before the jig 9 is installed.

[0037] Adhesive is applied to the end face 700 of the first cushioning member 7A, and the first cushioning member 7A is fitted into the first groove 92 in the first linear portion of the jig 9, and the end face 700 of the first cushioning member 7A and the first end face 800 of the first portion 80 of the third cushioning member 8 are held in close contact with each other via the adhesive. The first cushioning member 7A is fitted with the bottom surface of its base abutting the bottom surface of the first groove 92. Adhesive is applied to the first end face 800 of the first portion 80 of the third cushioning member 8, and the adhesive is applied to the first end face 800 of the first portion 80 of the third cushioning member 8 so that the adhesive is in close contact with the adhesive applied to the end face 700 of the first cushioning member 7A. There are no particular restrictions on the timing of applying the adhesive, as long as it is applied before the end face 700 of the first cushioning member 7A and the first end face 800 of the first portion 80 of the third cushioning member 8 are tightly attached to each other. The first buffer member 7A and the first part 80 of the third buffer member 8 are held in the first groove 92 of the jig 9 in a linear position in which the end face 700 of the first buffer member 7A and the first end face 800 of the first part 80 of the third buffer member 8 are in close contact with each other via adhesive.

[0038] Next, adhesive is applied to the periphery of the contact surface between the end face 700 of the first buffer member 7A and the first end face 800 of the third buffer member 8. The application may be performed through an opening 920 in the bottom wall 900 of the first linear portion 90 of the jig 9, and the provision of the opening 920 prevents excess adhesive from adhering the application area 11 to the inner surface of the first groove 92 as much as possible.

[0039] Adhesive is applied to the end face 700 of the second buffer member 7B, and the second buffer member 7B is fitted into the second groove 93 of the second straight portion 91 of the jig 9, and the end face 700 of the second buffer member 7B and the second end face 810 of the second portion 81 of the third buffer member 8 are held in close contact with each other via the adhesive. The second buffer member 7B is fitted with the bottom surface of its base abutting against the bottom surface of the second groove 93. Adhesive is applied to the second end face 810 of the second portion 81 of the third buffer member 8, and the second end face 810 is brought into close contact with the adhesive applied to the end face 700 of the second buffer member 7B. The timing of applying the adhesive is not limited, as long as it is done before the end face 700 of the second buffer member 7B and the second end face 810 of the second portion 81 of the third buffer member 8 are brought into close contact with each other. The second buffer member 7B and the second part 81 of the third buffer member 8 are held in the second groove 93 of the jig 9 in a linear position in which the end face 700 of the second buffer member 7B and the second end face 810 of the second part 81 of the third buffer member 8 are in close contact with each other via adhesive.

[0040] Next, adhesive is applied to the periphery of the contact surface between the end face 700 of the second buffer member 7B and the second end face 810 of the third buffer member 8. The application may be performed through an opening 930 in the bottom wall 910 of the second linear portion 91 of the jig 9, and the provision of the opening 930 prevents excess adhesive from adhering the application area 11 to the inner surface of the second groove 93 as much as possible.

[0041] By using the jig 9 according to this embodiment, the end faces of the first buffer member 7A, the second buffer member 7B, and the third buffer member 8 are adhered to each other with an adhesive and held in a position that maintains a right-angled L shape. More specifically, the right-angled L shape is constituted by a linear position in which the end face 700 of the first buffer member 7A and the first end face 800 of the first portion 80 of the third buffer member 8 are adhered to each other with an adhesive, and a linear position in which the end face 700 of the second buffer member 7B and the second end face 810 of the second portion 81 of the third buffer member 8 are adhered to each other with an adhesive.

[0042] By using jig 9 to hold the buffer members (first buffer member 7A, second buffer member 7B, third buffer member 8) in a straight position, with their end faces adhesively bonded together, there is no need to manually hold the buffer members for a predetermined period of time, as was previously required, to prevent misalignment. This improves the workability of assembling the buffer members. Once the connection portions (adhered portions) of the buffer members are held in jig 9 and left as they are, other connection operations can be performed consecutively. Because the buffer members are held in a straight, mated position, the areas near the connection portions of the buffer members do not twist. This prevents the adhesive surfaces of the buffer members from peeling off when the adhesive hardens, and prevents the adhesive from hardening in a twisted and deformed state (with the adhesive surfaces misaligned).

[0043] The adhesive-bonded surfaces of the buffer members and the vicinity thereof are located in the low-profile portions (shallow groove portions) 9011, 9021, 9111, and 9121 of the jig 9. The bottom walls 900 and 910 of the shallow groove portions have openings 920 and 930, respectively, which allows the adhesive to be applied to a wider area around the adhesive surfaces of the buffer members. Even if excess adhesive is present at the adhesive surfaces of the buffer members and the vicinity thereof, the contact area between the inner surface of the shallow groove portion and the adhesive surfaces and the vicinity thereof is smaller than that of the high-profile portions, reducing the risk that the adhesive surfaces and the vicinity thereof will be adhered to the jig 9 and make removal difficult. Meanwhile, the portions on both sides of the vicinity of the adhesive surfaces are fitted into the deep groove portions of the jig 9, so that the buffer members (first buffer member 7A, second buffer member 7B, and third buffer member 8) whose end faces are in adhesive contact with each other are firmly held in a straight position.

[0044] After a predetermined time sufficient for the adhesive to harden has elapsed, the integrated buffer member 7' is removed from the jig 9. In this embodiment, when removing the buffer member 7', a push-out means 10 such as a shaft-shaped member or a rod is inserted through a through-hole 943 in a bottom surface 940 of a corner portion 94 of the jig 9 to push out the buffer member 8 of the buffer member 7' inside the recessed groove 94' of the corner portion 94, thereby preventing a load from concentrating on the adhesive surface and facilitating removal of the buffer member 7'.

[0045] [F] Fixing method of buffer material using a jig on-site In Figure 8, a jig 9 is installed near the corner between the vertical frame 4 and the bottom frame 6 of the door frame 1. A third buffer member 8 is fitted into a corner 94 of the jig 9. The jig 9 may be detachably fixed in place with, for example, adhesive tape. The work of connecting the first buffer member 7A to the first portion 80 of the third buffer member 8 and the work of connecting the second buffer member 7B to the second portion 81 of the third buffer member 8 are performed near the door frame 1.

[0046] The first buffer member 7A is a long member extending in the lengthwise direction of the bottom frame 6 of the door frame 1, and is fitted into the groove 60 of the bottom frame 6, leaving one end portion remaining. Adhesive is applied to the end face 700 of the first buffer member 7A, and the first buffer member 7A is fitted into the first recessed groove 92 of the first linear portion 90 of the jig 9, and the end face 700 of the first buffer member 7A and the first end face 800 of the first portion 80 of the third buffer member 8 are held in close contact with each other.

[0047] While the end (one end) of one end side portion of the first buffer member 7A and the first part 80 of the third buffer member 8 are held in close contact with each other by the jig 9, the jig 9 can be placed near the other corner formed by the lower frame 6 and the vertical frame 5, and the work of connecting the end (the other end) of the other end side portion of the first buffer member 7A to the first part 80 of the third buffer member 8 fitted into the other corner can be performed.

[0048] The second buffer member 7B is a long member extending in the lengthwise direction of the vertical frame 4 of the door frame 1, and is fitted into the groove 40 of the vertical frame 4, leaving one end portion remaining. An adhesive is applied to the end face 700 of the second buffer member 7B, and the second buffer member 7B is fitted into the second recessed groove 93 of the second linear portion 91 of the jig 9, and the end face 700 of the second buffer member 7B and the second end face 810 of the second portion 81 of the third buffer member 8 are held in close contact with each other.

[0049] While the end (one end) of one end side portion of the second buffer member 7B and the second part 81 of the third buffer member 8 are held in close contact with each other by the jig 9, the jig 9 can be placed near the corner of the upper frame 3 and the vertical frame 5, and the connection work can be performed between the end (the other end) of the other end side portion of the second buffer member 7B and the second part 81 of the third buffer member 8 fitted into the other corner.

[0050] FIG. 6 shows the position in which first buffer member 7A, second buffer member 7B, and buffer member 8 are held in L-shaped jig 9 with their end faces in close contact with each other using adhesive. They are left in this position until the adhesive completely hardens and first buffer member 7A, second buffer member 7B, and buffer member 8 are integrated, and then the integrated buffer member 7' (the L-shaped portion consisting of first buffer member 7A, second buffer member 7B, and buffer member 8) is removed from jig 9 and fitted by pushing it into the corners of the grooves around the door frame. Jig 9 is reusable.

[0051] [F] Modified jig In the jig 9, the outer wall 901 and inner wall 902 of the first straight portion 90, and the outer wall 911 and inner wall 912 of the second straight portion 91 may all be low-profile (shallow grooves). That is, the first straight portion 90 and the second straight portion 91 (including the outer wall 941 and inner wall 942 of the corner portion 94) may all be low-profile (shallow grooves). One or more of the leading end portion 9010 of the outer wall 901 of the first straight portion 90, the leading end portion 9020 of the inner wall 902 of the inner portion 902, the leading end portion 9110 of the outer wall 911 of the second straight portion 91, the leading end portion 9120 of the inner wall 912, and the outer wall 941 and inner wall 942 of the corner portion 94 may be low-profile. The heights of the tip portion 9010 of the outer wall 901 of the first straight portion 90, the tip portion 9020 of the inner wall 902, the tip portion 9110 of the outer wall 911 of the second straight portion 91, the tip portion 9120 of the inner wall 912, and the outer wall 941 and the inner wall 942 of the corner portion 94 may be increased (for example, to a height higher than the fins 74 of the bulging portion 71) to allow the buffer member 7 to fit deeper and improve the retention of the buffer member 7. The opening 920 of the first groove 92 of the first straight portion 90 and the opening 930 of the second groove 93 of the second straight portion 91 may be omitted. The through-hole 943 in the bottom wall 940 of the corner portion 94 may be omitted (for example, the buffer member 7 may be removed by pinching and lifting the bulging portion 71 of the buffer member 7 from above the groove). [Explanation of symbols]

[0052] 1 door frame 2 Door body 7. Cushioning material 700 End face 7A 1st buffer member 7B Second buffer member 8. Cushioning material (third cushioning material) 80 Part 1 800 1st end face 81 Part 2 810 Second end face 9 Jig 90 1st straight line part 900 bottom wall 901 Exterior wall (side wall) 9010 Tip end of exterior wall (high part) 9011 Low profile part 902 Inner wall (side wall) 9020 Tip end of inner wall (high back part) 9021 Low profile part 91 2nd straight line part 910 bottom wall 911 Exterior wall (side wall) 9110 Tip end of exterior wall (high part) 9111 Low profile part 912 Inner wall (side wall) 9120 Tip end of inner wall (high back part) 9121 Low profile part 92 1st groove 920 aperture 93 Second groove 930 aperture 94 Corner 940 bottom wall 941 External wall (tall part, side wall) 942 Inner wall (high back part, side wall) 943 Through Hole 94´ groove 10 Push-out means (shaft member)

Claims

1. a jig for assembling the first and second buffer members by bonding an end surface of the first buffer member having an elongated shape to a first end surface of the L-shaped third buffer member and by bonding an end surface of the second buffer member having an elongated shape to a second end surface of the L-shaped third buffer member; the jig has an L-shape formed by a first linear portion, a second linear portion, and a corner portion of the first linear portion and the second linear portion, the first linear portion, the second linear portion, and the corner portion each having a bottom wall and a pair of opposing side walls, the bottom wall and the pair of side walls forming a recessed groove into which the buffer member is fitted with the end faces in close contact with each other, The third buffer member is fitted into the recessed groove of the corner portion, an end face of the first buffer member and a first end face of the third buffer member are held in close contact with each other in the recessed groove of the first linear portion, and an end face of the second buffer member and a second end face of the third buffer member are held in close contact with each other in the recessed groove of the second linear portion. An assembly jig for shock absorbers installed in door frames.

2. A through hole is formed in the bottom wall of the corner portion. An assembly jig for a shock absorber member provided in the door frame according to claim 1.

3. A jig for assembling by bonding end faces of at least two buffer members, the buffer member has at least a straight portion, the straight portion having a bottom wall and a pair of opposing side walls, the bottom wall and the pair of side walls forming a recessed groove into which the buffer member is fitted with the end faces in close contact with each other, In the pair of side walls, a portion located at a connection portion where the end surfaces are in close contact with each other is a low-profile portion, and the pair of side walls have a high-profile portion that is higher than the low-profile portion. An assembly jig for shock absorbers installed in door frames.

4. A jig for assembling by bonding end faces of at least two buffer members, the buffer member has at least a straight portion, the straight portion having a bottom wall and a pair of opposing side walls, the bottom wall and the pair of side walls forming a recessed groove into which the buffer member is fitted with the end faces in close contact with each other, and an upper portion of the recessed groove being open; An opening is formed in the bottom wall across the entire width of the bottom wall in a region including a connection portion where the end faces are in close contact with each other, and adhesive can be applied to the peripheral surface of the connection portion from an upper portion of the recessed groove and the opening. An assembly jig for shock absorbers installed in door frames.

5. a jig having at least a straight portion, the straight portion having a bottom wall and a pair of opposing side walls, a groove formed by the bottom wall and the pair of side walls, an upper portion of the groove being open, two buffer members are fitted into the recessed groove from the upper portion, and end faces of the buffer members in the length direction are held in a state of being closely adhered to each other via an adhesive, and a connection portion formed by the closely adhered end faces is exposed from the upper portion; After the adhesive has hardened, the buffer member whose end faces have been bonded together and integrated is removed from the groove of the jig. A method for assembling a buffer member to be installed in a door frame.

6. a jig having an L-shape formed by a first linear portion, a second linear portion, and a corner portion of the first linear portion and the second linear portion, the first linear portion, the second linear portion, and the corner portion each having a bottom wall and a pair of opposing side walls, and a recessed groove formed by the bottom wall and the pair of side walls; the jig is a jig for assembling the first and second buffer members by bonding an end surface of the first buffer member, which extends in an elongated shape, to a first end surface of the L-shaped third buffer member, and by bonding an end surface of the second buffer member, which extends in an elongated shape, to a second end surface of the L-shaped third buffer member; holding the first buffer member and the third buffer member in a state in which the end surface of the first buffer member and the first end surface of the third buffer member are in close contact with each other via an adhesive, with the first buffer member fitted in the recessed groove of the first linear portion and the third buffer member fitted in the recessed groove of the corner portion; holding the second buffer member and the third buffer member in a state in which the end surface of the second buffer member and the second end surface of the third buffer member are in close contact with each other via an adhesive, with the second buffer member fitted in the recessed groove of the second straight portion and the third buffer member fitted in the recessed groove of the corner portion; After the adhesive has hardened, the buffer member whose end faces have been bonded together and integrated is removed from the jig. A method for assembling a buffer member to be provided in a door frame, comprising:

7. A through hole is formed in the bottom wall of the corner portion, When removing the integrated buffer member from the jig, a shaft member is inserted through the through hole. A method for assembling the shock absorbing member provided in the door frame according to claim 6.

8. A jig is provided which has at least a straight portion, the straight portion having a bottom wall and a pair of opposing side walls, and a recessed groove is formed by the bottom wall and the pair of side walls. Two buffer members are fitted into the recessed grooves and held in a state where their end faces are in close contact with each other via an adhesive; After the adhesive has hardened, the buffer member whose end faces have been bonded together and integrated is removed from the jig. In the pair of side walls, a portion located at a connection portion where the end faces are closely attached to each other via an adhesive is a low-profile portion, and the pair of side walls have a high-profile portion that is higher than the low-profile portion. A method for assembling a buffer member to be installed in a door frame.

9. In addition to holding the end faces in close contact with each other using adhesive in the groove, and applying an adhesive to the periphery of the connection portion formed by the end faces being in close contact with each other. A method for assembling the buffer member provided in the door frame according to any one of claims 5 to 8.

10. A jig is provided which has at least a straight portion, the straight portion having a bottom wall and a pair of opposing side walls, and a recessed groove is formed by the bottom wall and the pair of side walls. Two buffer members are fitted into the recessed grooves and held in a state where their end faces are in close contact with each other via an adhesive; After the adhesive has hardened, the buffer member whose end faces have been bonded together and integrated is removed from the jig. an opening is formed in the bottom wall in a region including a connection portion formed by adhesively bonding the end faces together, and adhesive is applied to a periphery of the connection portion through the opening, and / or excess adhesive is allowed to escape through the opening; A method for assembling a buffer member to be installed in a door frame.

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