Method for manufacturing elastic member

Abstract

In the conventional manufacturing method, since it is necessary to the divided bodies against each other while preventing the applied adhesive from adhering to portions other than the butted surfaces of the divided bodies, a problem of poor workability may occur.SOLUTION: According to an aspect of the present invention, there is provided a method of manufacturing an elastic member in which a plurality of divided bodies are butted against each other and bonded to each other with an adhesive, wherein the divided bodies are butted against each other, and then the adhesive is supplied between the butted surfaces of the divided bodies.SELECTED DRAWING: Figure 8

Description

[Technical Field]

[0001] The present disclosure relates to elastic members and methods of making the same. [Background technology]

[0002] A known conventional elastic member is one in which multiple divided bodies are butted together and bonded with an adhesive (see, for example, Patent Document 1). When manufacturing this type of elastic member, adhesive is applied to the divided bodies, and then the divided bodies are butted together. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2006-177420 (paragraphs

[0015] ,

[0040] , Figure 1, etc.) Summary of the Invention [Problem to be solved by the invention]

[0004] In the conventional manufacturing method described above, the split bodies had to be butted together while taking care not to allow the applied adhesive to get on any surface other than the butting surfaces of the split bodies, which could result in poor workability. [Means for solving the problem]

[0005] One aspect of the invention is a method for manufacturing an elastic member comprising a plurality of divided bodies butted together and bonded with an adhesive, the method comprising butting the divided bodies together and then supplying the adhesive between the butted surfaces. [Brief explanation of the drawings]

[0006] [Figure 1] FIG. 1 is a plan view of an elastic member according to a first embodiment. [Figure 2] FIG. 2 is a perspective view of a pair of divided bodies that are butted against each other. [Figure 3]FIG. 3 is a cross-sectional side view of an elastic member that seals between a pair of members. [Figure 4] 4A is a perspective view of a pair of divided bodies butted together and bonded to each other, FIG. 4B is a side view of the pair of divided bodies butted together and bonded to each other, and FIG. 4C is a cross-sectional view taken along the line AA in FIG. 4A. [Figure 5] FIG. 5 is a plan view of a sheet material from which a plurality of divided bodies have been punched. [Figure 6] FIG. 6A is a plan view of the divided bodies that are butted against each other, and FIG. 6B is a side view of the divided bodies that are butted against each other. [Figure 7] FIG. 7A is a plan view of the divided bodies butted together, and FIG. 7B is a side view of the divided bodies butted together. [Figure 8] FIG. 8A is a side cross-sectional view of a nozzle inserted between the mating surfaces of the divided bodies, and FIG. 8B is a side cross-sectional view of adhesive injected between the mating surfaces of the divided bodies. [Figure 9] FIG. 9A is a perspective view of a nozzle that moves while inserted between the butted surfaces of the split bodies, and FIG. 9B is a cross-sectional plan view of the nozzle that moves while inserted between the butted surfaces of the split bodies. [Figure 10] 10A is a side cross-sectional view of a pair of divided bodies that elastically recover so that their butted surfaces are pressed against each other; FIG. 10B is a plan view of the pair of divided bodies whose butted portions are pressed against a plate material; and FIG. 10C is a cross-sectional view taken along the line BB in FIG. 10B. [Figure 11] FIG. 11A is a cross-sectional side view of a pair of split bodies with flat butted surfaces abutted against each other, FIG. 11B is a cross-sectional side view of a nozzle inserted between the butted surfaces of the split bodies, and FIG. 11C is a cross-sectional side view of an adhesive material injected between the butted surfaces of the split bodies. [Figure 12] FIG. 12A is a side cross-sectional view of a divided body in which a base sheet and double-sided tape are laminated, and FIG. 12B is a side cross-sectional view of the base sheet turned over on the divided body. [Figure 13] FIG. 13 is a plan cross-sectional view of a nozzle inserted and moved between the abutting surfaces of divided bodies of an elastic member according to another embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0007] [First embodiment] As shown in Fig. 1, the elastic member 10 of this embodiment is formed by butting together a plurality of divided bodies 20 and bonding them with an adhesive 30 (see Fig. 4A). In this example of the present embodiment, the elastic member 10 is frame-shaped (e.g., a rectangular frame) and is formed by butting together the ends of a linear first divided body 20S and a square-U-shaped second divided body 20U (see Figs. 1 and 2). In this example of the present embodiment, the divided bodies 20 are plate-shaped, and when viewed in the thickness direction, the elastic member 10 has the frame shape.

[0008] The elastic member 10 is, for example, as shown in FIG. 3, a gasket (including what is called packing, for example) that seals between a pair of members 91 that are connected to each other of an article 90. The article 90 in which the elastic member 10 is used is not limited to a specific one, and may be, for example, a case (for example, a battery case that houses a battery) or a pipe. An example of a battery case in which the elastic member 10 is used is a battery case for a vehicle (for example, for a vehicle such as an electric car). The shape of the elastic member 10 is not limited to a specific one, and may be a shape that matches the shape of the article 90 (for example, it may be annular).

[0009] The divided body 20 may be made of, for example, an elastic body such as rubber or elastomer. The divided body 20 may be made of, for example, a foamed resin body such as silicone foam (foamed silicone).

[0010] The adhesive 30 is not limited to a specific material and may be, for example, a thermosetting adhesive or a thermoplastic adhesive. Furthermore, the adhesive 30 may be, for example, a moisture-curing adhesive, an anaerobic-curing adhesive, or an ultraviolet-curing adhesive. The adhesive 30 may be selected appropriately so as to have good adhesion to the divided body 20. For example, if the divided body 20 is silicone foam, the adhesive 30 is preferably a silicone-based adhesive.

[0011] As shown in FIGS. 4B and 4C , the spacing between the butting surfaces 20M of the sections 20 that are butted against each other may be wider at a middle portion (e.g., a central portion) in the thickness direction of the sections 20 (hereinafter referred to as the “thickness direction”) than at both ends, and the amount of adhesive 30 between the butting surfaces 20M may be greater (thicker) at the middle portion than at both ends in the thickness direction. This configuration may be achieved by forming at least one of the butting surfaces 20M in a shape that is recessed at the middle portion relative to both ends in the thickness direction (see FIGS. 2 and 7B ), or by providing more adhesive 30 at the middle portion than at both ends in the thickness direction. In the latter case, the butting surfaces 20M that are butted against each other may originally be flat, but the butting surfaces 20M may become recessed due to the adhesive 30 sandwiched between the butting surfaces 20M. In addition, in a configuration in which the ends (for example, both ends) of a pair of divided bodies 20 that are butted against each other in the thickness direction of the plate abut, the gap in which the adhesive 30 is received and the external space can be separated in the thickness direction of the plate, thereby making it possible to prevent the adhesive 30 from spilling out to the outside in the thickness direction of the plate.

[0012] The elastic member 10 of this embodiment is manufactured, for example, as follows. As shown in Fig. 5, for example, a sheet material 40 made of an elastic body is punched using a Thomson blade, a Piccnal blade, or the like to form a plurality of divided bodies 20. When a frame-shaped elastic member is punched out of the sheet material 40, the inner portion of the frame-shaped elastic member of the sheet material 40 is discarded. However, by punching out a plurality of divided bodies 20 and joining them to form the elastic member 10, it is possible to reduce the discarded portion of the sheet material 40.

[0013] In this embodiment, the butt surfaces 20M of the divided bodies 20 are formed in a recessed shape at a midpoint in the thickness direction relative to both ends. This recessed shape may be formed by cutting or shearing a sheet material (e.g., a sheet material having a skin layer) by punching, or may be formed by cutting or grinding after punching.

[0014] Next, the multiple segments 20 are butted together and arranged in a ring shape (see FIG. 1). Specifically, as shown in the transition from FIGS. 6A and 6B to FIGS. 7A and 7B, the butt surfaces 20M of the segments 20 are butted together. Here, "butted together" does not only include segments 20 abutting each other, but also includes segments being arranged opposite each other with a gap between them (for example, in close proximity). In this embodiment, the segments 20 are arranged opposite each other so that the butt surfaces 20M of the segments 20 do not deform, but rather are not arranged opposite each other so that the butt surfaces 20M of the segments 20 do not deform.

[0015] In this embodiment, both ends of the butting surfaces 20M of the segments 20 abut against each other in the thickness direction, and a gap R is formed between the butting surfaces 20M in the middle part (for example, the center) in the thickness direction due to the recessed shape of the butting surfaces 20M. The gap R is separated from the external space in the thickness direction.

[0016] Once the segments 20 are butted together, they are fixed in place with fasteners 35 (see FIG. 8A). In this embodiment, the fasteners 35 are placed across the bottom surfaces of the segments 20. Examples of fasteners 35 include tape (e.g., double-sided tape). For example, by using double-sided tape as fasteners 35, the segments 20 can be fixed to each other and also fixed to the top surface of a workbench, thereby improving workability.

[0017] 8A and 8B, adhesive 30 is supplied between the butted surfaces 20M of the sections 20 that are butted against each other. For example, the tip of an adhesive injection nozzle N is inserted between the butted surfaces 20M from the upper surface side of the sections 20 (see FIG. 8A), and adhesive 30 is injected into the gap R from the tip of the nozzle N (see FIG. 8B). At this time, in this embodiment, adhesive 30 is injected in a state in which the space between the butted surfaces 20M is expanded by inserting the nozzle N (i.e., the adhesive is injected in a state in which the sections 20 are elastically deformed).

[0018] In this embodiment, the nozzle N is inserted halfway between the butted surfaces 20M in the thickness direction. At this time, the fasteners 35 allow the divided bodies 20 to maintain one end (lower end 20K in FIGS. 8A and 8B ) of the divided bodies 20 in contact with each other at the thickness direction of the butted surfaces 20M. This makes it possible to prevent the adhesive 30 from leaking downward from the gap R. Furthermore, by disposing the fasteners 35 below the gap R (for example, below the entire gap R), it is possible to prevent the adhesive 30 from leaking downward from the gap R. Note that it is preferable that the tip of the nozzle N inserted between the butted surfaces 20M has a tapered shape (for example, a tapered shape) because this makes it easier to insert the nozzle N between the butted surfaces 20M.

[0019] 9A and 9B, the nozzle N is moved while being inserted between the mating surfaces 20M, and the adhesive 30 is injected. For example, as shown in the figures, the nozzle N is moved in the width direction of the divided body 20 (for example, from one end to the other in the width direction) to inject the adhesive 30.

[0020] After the adhesive 30 is injected, the nozzle N is withdrawn from between the butted surfaces 20M. The segments 20, which had been elastically deformed by the nozzle N pushing the butted surfaces 20M apart, elastically restore their original shape in the direction in which the butted surfaces 20M approach each other (see the arrows in FIG. 10A ). This causes the adhesive 30 to be pressed against the segments 20 and stretched (stretched in the thickness direction or width direction of the segments 20). In this embodiment, when the nozzle N is withdrawn, the ends of the butted surfaces 20M on the thickness direction side where the nozzle N was inserted (the upper ends in FIG. 10A ) come into contact with each other due to the elastic restoration of the segments 20. This separates the gap R into which the adhesive 30 has been injected from the external space in the thickness direction, preventing the adhesive 30 from spilling out in the thickness direction. Here, if the adhesive 30 protrudes in the plate thickness direction, there is a risk that the sealing performance of the elastic member 10 sandwiched in the plate thickness direction between a pair of members 91 (see FIG. 3) may be reduced. In contrast, in this embodiment, it is possible to prevent the adhesive 30 from protruding in the plate thickness direction, and therefore it is possible to prevent the sealing performance of the elastic member 10 from being reduced.

[0021] 10B and 10C, the ends of the butted sections 20 are sandwiched vertically between, for example, a plate 50 placed from above and a workbench (not shown). By covering the area between the butted surfaces 20M with the plate 50 or the like in this manner, it is possible to prevent the adhesive 30 from spilling out, and to prevent steps from occurring between the sections 20. Then, in this state, the adhesive 30 is cured (for example, by heat curing). This bonds the sections 20 together, and the elastic member 10 is formed.

[0022] In conventional manufacturing methods for elastic members, adhesive 30 is applied to the segments 20, and then the segments 20 are butted together. This requires that the segments 20 be butted together while ensuring that the applied adhesive 30 does not get on any surfaces other than the butted surfaces 20M of the segments 20, which can result in poor workability. In contrast, in the manufacturing method for elastic member 10 of the present embodiment, adhesive 30 is applied after the segments 20 are butted together. In other words, because segments 20 that do not have adhesive 30 applied are butted together, it is possible to improve the workability of the butt-joining process compared to conventional manufacturing methods.

[0023] Furthermore, in conventional manufacturing methods, the segments 20 with the adhesive 30 attached are moved to butt together, and attempts to speed up the movement to prevent the adhesive 30 from drying can result in the segments 20 becoming misaligned with each other. Furthermore, during this movement, the adhesive 30 can drip or get on surrounding objects, requiring cleaning. In contrast, the manufacturing method for the elastic member 10 of the present embodiment can reduce the amount of misalignment and cleaning work required.

[0024] Furthermore, in the conventional manufacturing method, the segments 20 were butted together (butted against each other) with the adhesive 30 attached, which made it easy for the adhesive 20M to protrude from the segments (especially in the thickness direction). In contrast, in the manufacturing method of the elastic member 10 of the present embodiment, the segments 20 are butted together before the adhesive 30 is attached to the segments 20, which makes it possible to prevent the adhesive 30 from protruding from the segments 20 when the segments 20 are butted together. Furthermore, in the present embodiment, the adhesive 30 supplied between the segments 20 is pressed by the elastic restoration of the segments 20, which makes it possible to suppress the adhesive 30 from protruding from the segments 20 compared to the conventional manufacturing method in which the segments 20 are brought close to each other and butted against each other by hand. Moreover, in the present embodiment, the adhesive 30 is pressed by the elastic restoration of the segments 20 while the segments 20 are fixed together with the fasteners 35, which makes it possible to reduce the variation in the compression strength between the segments 20 compared to the conventional manufacturing method. Furthermore, since the adhesive 30 is injected by pushing the gap between the abutting surfaces 20M apart, the injection space for the adhesive 30 is limited. This makes it possible to prevent the adhesive 30 from being dispensed in excess, and to prevent the adhesive 30 from spilling out. As a result, it is possible to prevent a decrease in the sealing performance of the elastic member 10, and also to prevent the appearance of the elastic member 10 from becoming poor. In the example of this embodiment, when the segments 20 are abutted against each other, they are not elastically deformed, but they may be pressed together and elastically deformed.

[0025] Furthermore, in conventional manufacturing methods, for example, when using an adhesive 30 that dries easily, there is a risk that the adhesive 30 will begin to dry between the time the adhesive 30 is applied to the segments 20 and the time the segments 20 are butted together, making it desirable to shorten the time. In contrast, in the manufacturing method of the elastic member 10 of the present embodiment, the adhesive 30 is applied after the segments 20 are butted together, making it possible to shorten the time from applying the adhesive 30 to bonding.

[0026] In this embodiment, the butt surfaces 20M of the segments 20 are formed in a recessed shape at their midpoints relative to both ends in the thickness direction. This allows a gap R for receiving the adhesive 30 to be formed between the butt surfaces 20M. The gap R can be separated from the external space in the thickness direction by the ends of the butt surfaces 20M of the segments 20 abutting against each other in the thickness direction. This makes it possible to prevent the adhesive 30 in the gap R from spilling outward in the thickness direction. The recessed butt surfaces 20M may be present on both or only one of the butt surfaces 20M that are butted against each other.

[0027] 11A, at least one of the butting surfaces 20M between the divided bodies 20 may be flat. In the example shown in FIG. 11A, both butting surfaces 20M are flat, and when the divided bodies 20 are butted (butted against) each other, the entire surfaces abut. Even in these cases, by inserting a nozzle N between the butting surfaces 20M, the gap between the butting surfaces 20M can be widened to form a gap R (see FIG. 14B), and adhesive 30 can be injected into the gap R (see FIG. 14C).

[0028] In the manufacturing method of this embodiment, one end (lower end 20K in FIG. 8B) in the thickness direction of the butting surfaces 20M of the segments 20 can be kept in contact with each other by the fixture 35 even during the injection of the adhesive 30. In the elastic member 10 manufactured in this manner, the amount of adhesive 30 between the butting surfaces 20M of the segments 20 is greater at the center or the other end (for example, the upper end in FIG. 4C) in the thickness direction than at one end (for example, the lower end in FIG. 4C) in the thickness direction (the gap between the butting surfaces 20M is wider and the thickness of the adhesive 30 is thicker).

[0029] [Other embodiments] In the above embodiment, the elastic member 10 is a sealing member (for example, a gasket), but the elastic member 10 is not limited to this and may be, for example, a cushioning material.

[0030] The shape of the elastic member 10 is not limited to that of the above embodiment, and may be, for example, a rectangular or other block shape, or a rod shape. Furthermore, the shape of the multiple segments 20 constituting the elastic member 10 is not limited to that of the above embodiment. For example, the plate-shaped segments 20 may all be linear (e.g., strip-shaped), and these segments 20 may be lined up to form a frame-shaped elastic member 10.

[0031] In the above embodiment, the divisions 20 may be bonded together with a sheet such as a protective sheet laminated on the divisions 20 (see FIGS. 12A and 12B). For example, as shown in FIG. 12A, a first sheet 41 (e.g., a protective sheet) may be laminated on the upper surface of the division 20, and a second sheet 42 (e.g., double-sided tape) may be laminated on the lower surface of the division 20, after which the adhesive 30 may be supplied. An example of the second sheet 42 is double-sided tape for attaching the division 20 to a member (e.g., member 91 shown in FIG. 3) to which the elastic member 10 is attached during use. This double-sided tape is, for example, attached to one side of the sheet material 40 (see FIG. 5) before the divisions 20 are punched out, with release paper attached to the outer surface. When the segments 20 are fixed together with the fixing device 35, the fixing device 35 (e.g., tape) is fixed (to the outside) to the release paper of the double-sided tape serving as the second sheet 42 (if the second sheet 42 is not provided, the fixing device 35 is fixed directly to the underside of the segment 20). When the adhesive 30 is supplied using a nozzle N or the like, it is preferable from the standpoint of workability to peel the first sheet 41 from the segment 20 (see FIG. 12B) to expose the butted portions of the segments 20. When the first sheet 41 is used as a protective sheet for the elastic member 10 before use, the first sheet 41 may be peeled off when the adhesive 30 is supplied and then re-laminate on the segment 20.

[0032] When the divided bodies 20 are foamed resin bodies, the divided bodies 20 may be, for example, foam-molded bodies formed on a first sheet body 41 (see FIG. 12A). In this case, the sheet material 40 (see FIG. 5) from which the divided bodies 20 are punched may be a foam-molded body formed by foam-molding on the first sheet body 41 (e.g., a resin sheet such as PET) and then passing it through rollers to form a sheet. The sheet material 40 thus obtained has the first sheet body 41 laminated on one side, and therefore the divided bodies 20 punched out from the sheet material 40 also have the first sheet body 41 laminated on one side (see FIG. 12A). Then, for example, when supplying the adhesive 30, the first sheet body 41 is positioned on the upper surface of the divided body 20. The second sheet body 42 may be laminated on the divided body 20 obtained in this manner from the side opposite to the first sheet body 41, as described above.

[0033] In the above embodiment, the adhesive 30 is supplied between the butted surfaces 20M of the segments 20 while the butted surfaces 20M are in contact with each other. Alternatively, the adhesive 30 may be supplied between the butted surfaces 20M while the butted surfaces 20M are butted with a gap between them. In this case, the distance between the butted surfaces 20M may be made closer so that the nozzle N inserted between the butted surfaces 20M can push the gap between the butted surfaces 20M apart, or the distance between the butted surfaces 20M may be greater than the diameter of the nozzle N. When the butted surfaces 20M are spaced apart, the adhesive 30 may be applied with a brush, for example, instead of being injected with the nozzle N. Note that if the gap between the butted surfaces 20M is wide, a larger amount of adhesive 30 needs to be used to fill the gap. However, depending on the adhesive 30 used, the portion of the elastic member 10 where the adhesive 30 is applied may have lower elasticity than the divided body 20, and from the viewpoint of long-term use and reuse of the elastic member 10, it is preferable that the spacing between the butting surfaces 20M is narrow (it is more preferable that the butting surfaces 20M are butted against each other when the adhesive 30 is supplied).

[0034] In the above embodiment, the abutting surface 20M is linear when viewed in the plate thickness direction. However, it may be curved, for example, as shown in FIG. 13. In the example shown in FIG. 13, one of the two segments 20 that are abutted against each other has an engaging protrusion 21 that protrudes toward the other segment 20. The other segment 20 has an engaging recess 22 that engages with the engaging protrusion 21. In the example shown in FIG. 13, the engaging protrusion 21 is rectangular, and the engaging recess 22 is also rectangular to match it. However, the shapes of the engaging protrusion 21 and the engaging recess 22 are not limited to this and may be other shapes. For example, the engaging protrusion 21 may have a shape that narrows toward its protruding tip (for example, a trapezoidal or triangular shape in a plan view), and the engaging recess 22 may have a shape that narrows toward the back corresponding to the engaging protrusion 21. Furthermore, for example, the engaging protrusion 21 may have a shape that widens toward its protruding tip, and the engaging recess 22 may have a shape that widens toward the back correspondingly. In this case, the engaging protrusion 21 of one of the segments 20 that are butted together is fitted into the engaging recess 22 of the other segment 20 from the plate thickness direction. The engaging protrusion 21 and the engaging recess 22 may have a circular or semicircular shape in plan view. Furthermore, as shown in FIG. 13, if the engaging protrusion 21 is formed only in the center of the segment 20 in the width direction, the nozzle N may be moved along the outer periphery of the engaging protrusion 21 to supply the adhesive 30 only to the portion of the butting surface 20M that corresponds to the engaging protrusion 21.

[0035] <Additional Notes> The following describes the features extracted from the above-described embodiment, while indicating, as necessary, the effects, etc. Note that, for ease of understanding, the corresponding configurations in the above-described embodiment are indicated in parentheses as appropriate below, but these features are not limited to the specific configurations indicated in parentheses.

[0036] For example, the following features of the present disclosure, regarding an elastic member and a manufacturing method thereof, can be considered to have been conceived in response to the following problem: "In the conventional manufacturing method described above, the segments must be butted together while being careful not to get the applied adhesive on any surfaces other than the butted surfaces of the segments, which can result in poor workability," in response to the background art that states, "A conventional elastic member is known in which multiple segments are butted together and bonded with an adhesive (see, for example, JP 2006-177420 (paragraphs

[0015] ,

[0040] , Figure 1, etc.)). When manufacturing this type of elastic member, an adhesive is applied to the segments and then the segments are butted together." Furthermore, there has been a need for novel elastic members, novel manufacturing methods for elastic members, and novel technologies related to elastic members.

[0037] [Feature 1] A method for manufacturing an elastic member in which a plurality of divided bodies are butted together and bonded with an adhesive, comprising: The method for manufacturing an elastic member includes butting the divided bodies together and then supplying the adhesive between the butted surfaces.

[0038] According to this feature, a novel method for manufacturing an elastic member is provided. In this feature, the adhesive is supplied after the divided bodies are butted together. Therefore, compared to conventional manufacturing methods in which the divided bodies are butted together while ensuring that the applied adhesive does not get on any surfaces other than the butted surfaces, it is possible to butt the divided bodies together more easily. This makes it possible to improve the workability of the butt-joining process.

[0039] [Feature 2] A method for manufacturing an elastic member according to Feature 1, wherein a nozzle for injecting adhesive is inserted between the butted surfaces to spread the space between the butted surfaces, and then the adhesive is injected.

[0040] [Feature 3] The method for manufacturing an elastic member according to Feature 2, wherein the nozzle is inserted while the mating surfaces are in contact with each other.

[0041] [Feature 4] 4. The method for manufacturing an elastic member according to Feature 2 or 3, wherein the nozzle is moved while being inserted between the mating surfaces, and the adhesive is injected.

[0042] [Feature 5] A method for manufacturing an elastic member according to any one of features 2 to 4, in which, before inserting the nozzle, the divided bodies that are butted against each other are fixed together with a fixing device that is placed between their undersides, and the nozzle is inserted from the upper surface side of the divided bodies.

[0043] [Feature 6] The divided body is a foam-molded body that is foam-molded on a sheet (first sheet body 41), The divided body is arranged so that the sheet faces upward, and the fixing device is fixed to a lower surface of the divided body; 6. The method for manufacturing an elastic member according to Feature 5, wherein the sheet is peeled off from the divided bodies to expose the butted portions of the divided bodies, and the adhesive is supplied.

[0044] [Feature 7] 7. The method for manufacturing an elastic member according to any one of Features 1 to 6, wherein the elastic member is a gasket.

[0045] [Feature 8] An elastic member formed by a plurality of plate-shaped divided bodies butted together and bonded with an adhesive, An elastic member in which the amount of adhesive is greater at the center or the other end between the butted surfaces of the divided bodies than at one end in the thickness direction of the divided bodies.

[0046] [Feature 9] 9. The elastic member according to claim 8, wherein the elastic member is a gasket.

[0047] Although the present specification and drawings disclose specific examples of the technology included in the scope of the claims, the technology described in the claims is not limited to these specific examples, but also includes various modifications and variations of the specific examples, and also includes parts of the specific examples taken out alone. [Explanation of symbols]

[0048] 10 Elastic member 20 divided bodies 20M butt surface 20S 1st division 20U 2nd division 21 Engagement protrusion 22 Engagement recess 30 Adhesive 35 Fixtures 40 Sheet material 41 First sheet body 42 Second sheet body 50 Board material 90 Goods 91 Components N nozzle R Gap

Claims

1. A method for manufacturing an elastic member in which a plurality of divided bodies are butted together and bonded with an adhesive, comprising: The method for manufacturing an elastic member includes butting the divided bodies together and then supplying the adhesive between the butted surfaces.

2. The method for manufacturing an elastic member according to claim 1 , wherein a nozzle for injecting adhesive is inserted between the abutted surfaces to spread the space between the abutted surfaces, and then the adhesive is injected.

3. The method for manufacturing an elastic member according to claim 2, wherein the nozzle is inserted while the mating surfaces are in contact with each other.

4. The method for manufacturing an elastic member according to claim 2, wherein the nozzle is moved while being inserted between the mating surfaces to inject the adhesive.

5. 3. The method for manufacturing an elastic member according to claim 2, wherein, before inserting the nozzle, the abutted divided bodies are fixed together with a fixing device that is placed between their lower surfaces, and the nozzle is inserted from the upper surface side of the divided bodies.

6. 6. The method for manufacturing an elastic member according to claim 1, wherein the elastic member is a gasket.

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