Mullions and joinery

JP7902078B2Active Publication Date: 2026-08-07LIXIL CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
LIXIL CORP
Filing Date
2022-10-05
Publication Date
2026-08-07

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Abstract

To provide a mullion capable of improving aesthetic property and changing the position of a plate-like body in the depth direction.SOLUTION: A mullion includes: a first frame member that extends in the vertical direction; a second frame member that extends in the vertical direction and has a rectangular cross-section formed when combined with the first frame member; a pair of projections that extend in the vertical direction and are disposed apart from each other in the depth direction and that project in the width direction from the inner surface of the first frame member toward the second frame member; and a pair of holding members that are formed on the first frame member and the second frame member so as to extend in the vertical direction, have grooves for holding the ends of the plate-like bodies, and are attached to the first frame member and the second frame member using fastening members. The projections have a first portion with a cross-section that extends linearly from the inner surface of the first frame member toward the second frame member, and a second portion with a cross-section that extends in the prospective direction from the tip of the first portion.SELECTED DRAWING: Figure 3
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Description

Technical Field

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[0001] The present disclosure relates to mullions and fittings.

Background Art

[0002] Between window frames, mullions are installed along the vertical direction for abutting and fixing the ends of glass bodies which are juxtaposed plate-like bodies. Patent Document 1 discloses a fitting including a mullion having first and second frame members arranged symmetrically about a point and having a rectangular cross-section, and a pair of pressing edges in which groove portions for fixing the ends of the glass bodies are formed.

[0003] In the fitting of Patent Document 1, since the mullion and the pressing edge are configured as separate bodies, the end of the glass body is supported spaced apart from the mullion, so that a thin mullion is formed in a front view, and it is described that the design property is improved.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In the mullion described in Patent Document 1, since the frame members are arranged symmetrically about a point, the glass body is arranged at the center position in the expected direction in the mullion from the balance of the center of gravity. When the glass body is arranged at a position shifted from the center in the expected direction, it is necessary to prepare a mullion with a different configuration, resulting in an increase in inventory and cost. Further, when the position of the glass body in the expected direction in the mullion of Patent Document 1 is shifted, the mullion assembly screws are exposed, and the design property is deteriorated.

[0006] This disclosure has been made in consideration of the points described above, and aims to provide a mullion and joinery that improves design aesthetics and allows the position of the plate-like body in the depth direction to be changed. [Means for solving the problem]

[0007] A first aspect of the present disclosure is a mullion comprising: a first frame member extending vertically; a second frame member extending vertically and having a rectangular cross-section when combined with the first frame member; a plurality of projections, each extending vertically and spaced apart from one another in the depth direction, projecting in the visibility direction from the inner surface of the first frame member toward the second frame member; and a pair of retaining members, each formed extending vertically along the first and second frame members and having grooves for holding the ends of plate-like bodies, and attached to the first and second frame members using fastening members, wherein the projections have a first portion whose cross-section extends linearly from the inner surface of the first frame member toward the second frame member, and a second portion whose cross-section extends from the tip of the first portion toward the depth direction. [Brief explanation of the drawing]

[0008] [Figure 1] This figure shows an embodiment of the present disclosure, and is a diagram showing the configuration of the joinery. [Figure 2] This is a cross-sectional perspective view showing the configuration of the joinery. [Figure 3] This is a cross-sectional view of AA in Figure 1. [Figure 4] This is a view from the left side of the screw holes formed in the first frame member. [Figure 5] This is a view from the right side of the screw holes formed in the second frame member. [Figure 6] This is a cross-sectional view of BB in Figure 1. [Figure 7] This is a cross-sectional view showing a plate-like body attached to a mullion at a position offset to the exterior side. [Modes for carrying out the invention]

[0009] The embodiments of the mullions and joinery described below will be explained with reference to Figures 1 to 7. The embodiments described below represent one aspect of the disclosure and are not limiting, and can be modified at will within the scope of the technical concept of the disclosure. In addition, the scale of the drawings below differs from that of the actual structure in order to make each structure easier to understand.

[0010] As shown in Figure 1, the joinery 1 is a window frame comprising vertical frame members called mullions 2, horizontal frame members called transoms 30 provided on the mullions 2, a pair of vertical frames 50 on both the left and right sides, and a pair of horizontal frames 70, 80 that span the pair of vertical frames 50 vertically. The joinery 1 is fixed to an installation location such as a window in a building or an opening formed at the location where a curtain wall for a store is to be installed. In the joinery 1, there is not limited to one mullion 2, and one or more may be provided depending on the size of the opening or a plate-like object such as a glass plate.

[0011] In the following description of the joinery 1 installed in a building opening, viewed from the interior side, the vertical direction is referred to as the vertical direction, and the horizontal direction as the horizontal direction. The horizontal direction is referred to as the visible direction, and the direction perpendicular to the horizontal direction and aligned with the interior / exterior direction is referred to as the depth direction.

[0012] As shown in Figures 2 and 3, the mullion 2 comprises a first frame member 3, a second frame member 6, and a holding member 10 fixed to a target member for fixing the plate-like body G. The first frame member 3 and the second frame member 6 face each other in the visible direction when viewed from above. The first frame member 3 is located on the left side in the visible direction. The second frame member 6 is located on the right side in the visible direction. The first frame member 3 and the second frame member 6 extend in the vertical direction, and when combined in the visible direction, their cross-section is formed in a rectangular shape. The view from above will be described below.

[0013] The first frame member 3 and the second frame member 6 are, for example, members formed by extruding aluminum. The surfaces of the first frame member 3 and the second frame member 6 are pre-painted or anodized. In addition to painting or anodizing, the surfaces of the first frame member 3 and the second frame member 6 may also be lapped.

[0014] The first frame member 3 has a vertical plate 4 formed in a strip shape extending in the depth direction, a strip-shaped end plate 5A extending to the right from the outdoor end of the vertical plate 4, and a strip-shaped end plate 5B extending to the right from the indoor end of the vertical plate 4. The left surface side of the vertical plate 4 is formed flat. The vertical plate 4 has a pair of protrusions 11 and 12 and a holding portion 13 on the inner surface facing the second frame member 6. The holding portion 13 protrudes to the right from the outdoor end of the vertical plate 4. The holding portion 13 is located on the indoor side of the end plate 5A and forms a space 13A between it and the end plate 5A that opens to the right.

[0015] The pair of protrusions 11 and 12 project to the right in the visible direction from the inner surface of the first frame member 3 toward the second frame member 6. The pair of protrusions 11 and 12 each extend in the vertical direction and are spaced apart from each other in the depth direction. Protrusion 11 is located on the outdoor side in the depth direction. Protrusion 12 is located on the indoor side in the depth direction compared to protrusion 11.

[0016] The projection 11 has a first portion 11A and a second portion 11B. The first portion 11A extends from the inner surface of the first frame member 3 toward the second frame member 6 toward the right in the visible direction. The second portion 11B extends from the tip of the first portion 11A toward the depth direction. The second portion 11B extends from the tip of the first portion 11A toward the exterior side in the depth direction. The second portion 11B is positioned with the second frame member 6 with a gap 14A in the visible direction. A packing 23 is placed in the gap 14A according to the construction specifications. When the packing 23 is used, the inside of the mullion 2 can be sealed to be airtight, watertight, and wind pressure resistant.

[0017] The protruding portion 12 has a first portion 12A and a second portion 12B. The first portion 12A extends linearly from the inner surface of the first frame member 3 toward the second frame member 6. The second portion 12B extends in the prospective direction from the tip of the first portion 12A. The second portion 12B extends to the outdoor side in the prospective direction from the tip of the first portion 12A. The second portion 12B is disposed with a gap 14B therebetween in the finding direction from the second frame member 6. A packing 24 is disposed in the gap 14B according to the construction specifications. When the packing 24 is used, airtightness, watertightness, and wind pressure resistance can be sealed inside the riser 2. The pair of protruding portions 11 and 12 are each formed in an L shape in which the second portions 11B and 12B extend to the outdoor side, which is the same side in the prospective direction from the tips of the first portions 11A and 12A.

[0018] The vertical plate 4 has screw holes 15 for fixing the holding member 10 using fastening members 21. A plurality of screw holes 15 are formed in the vertical and prospective directions. As shown in FIG. 4, two screw holes 15 are formed between the first portion 11A and the first portion 12A in the prospective direction. The screw holes 15 are arranged at positions separated in the prospective direction and the vertical direction. By fixing the holding member 10 using the fastening members 21 arranged at positions separated in the prospective direction and the vertical direction, the bending rigidity is improved with respect to the load received by the holding member 10.

[0019] The end face plate 5A has a flat surface formed on the outdoor side. The end face plate 5B has a flat surface formed on the indoor side. The end face plate 5B has a claw portion 16 protruding to the outdoor side.

[0020] The second frame member 6 has a vertical plate 7 formed in a strip shape extending in the prospective direction. The right surface side of the vertical plate 7 is formed flat. The vertical plate 7 has a claw portion 7A and a claw portion 7B on the inner surface facing the first frame member 3. The claw portion 7A protrudes to the left. The claw portion 7A has a holding wall 17 extending to the outdoor side at the left tip. The holding wall 17 is inserted into the space 13A from the right side. A sealing material 25 is provided in the space surrounded by the outdoor end portion of the vertical plate 7, the holding wall 17, and the end face plate 5A. By providing the sealing material 25 at the joint portion between the end face plate 5A, which is the outdoor joint portion, and the vertical plate 7, the first frame member 3 and the second frame member 6 ensure airtight performance, watertight performance, and wind pressure resistance performance at the outdoor end portion. The claw portion 7B protrudes to the left. The claw portion 7B has an engaging wall 18 extending to the indoor side at the left tip. The engaging wall 18 engages with the claw portion 16 from the left side.

[0021] The vertical plate 7 is formed with screw holes 19 for fixing the holding member 10 using fastening members 22. A plurality of screw holes 19 are formed in the vertical and prospective directions. As shown in FIG. 5, two screw holes 19 are formed between the first portion 11A and the first portion 12A in the prospective direction. The screw holes 19 are arranged at positions separated in the prospective direction and the vertical direction. By fixing the holding member 10 using the fastening members 22 arranged at positions separated in the prospective direction and the vertical direction, the bending rigidity is improved against the load received by the holding member 10.

[0022] With the above configuration, the first frame member 3 and the second frame member 6 are combined to form the upright 2 having a hollow portion. The upright 2 is formed into a cylindrical body with a rectangular cross section.

[0023] The retaining member 10 is a member for fixing the plate-like body G. The plate-like body G is, for example, a glass plate. The retaining member 10 is attached to the vertical frame 50 facing the first frame member 3. The retaining member 10 is also attached to the vertical frame 50 facing the second frame member 6. The retaining member 10 attached to the first frame member 3 and the retaining member 10 attached to the second frame member 6 are fixed in symmetrical positions via the mullion 2. In the following, the retaining member 10 attached to the second frame member 6 will be described, and the description of the retaining member 10 attached to the first frame member 3 may be omitted. The retaining member 10 is formed extending vertically from other members such as the first frame member 3, the second frame member 6, and the vertical frame 50.

[0024] The retaining member 10 is a member formed by extruding aluminum. The surface of the retaining member 10 is pre-painted or anodized. In addition to painting or anodizing, the surface of the retaining member 10 may also be lapped. The retaining member 10 is formed as a cylindrical body with a U-shaped cross-section. The retaining member 10 is formed to clamp and fix the end of the plate-shaped body G. The retaining member 10 supports the end of the plate-shaped body G spaced apart from the first frame member 3 and the second frame member 6. The retaining member 10 supports the end of the plate-shaped body G spaced apart from the mullion 2.

[0025] The retaining member 10 has a concave groove 10A that accommodates the end of the plate-like body G. The retaining member 10 comprises a main body 51 that is fixed to another member and a detachable trim portion 52 that is attached to the main body 51. The retaining member 10 is fixed to the mullion 2, for example, such that the trim portion 52 is positioned on the outside in the visible direction. The main body 51 has screw holes 10B for screwing it to another member. Multiple screw holes 10B are formed in the vertical and depth directions. The screw holes 10B of the retaining member 10 attached to the first frame member 3 are formed in a position opposite to the screw holes 15 of the first frame member 3 in the visible direction. The screw holes 10B of the retaining member 10 attached to the second frame member 6 are formed in a position opposite to the screw holes 19 of the second frame member 6 in the visible direction. The retaining member 10 is fixed to the first frame member 3 via the screw holes 10B and screw holes 15 using a fastening member 21. The retaining member 10 is fixed to the second frame member 6 via screw holes 10B and 19 using fastening members 22. For example, tapped screws can be used for fastening members 21 and 22.

[0026] The main body 51 has an arm portion 51A and a claw portion 51B. The arm portion 51A extends to the right in the visible direction. The arm portion 51A is one of the members that grips the end of the plate-like body G. The claw portion 51B engages with the trim portion 52 from the right side.

[0027] The trim portion 52 is fitted into the main body portion 51. The trim portion 52 has an arm portion 52A that faces the arm portion 51A. The plate-like body G is temporarily fixed to the main body portion 51 when the trim portion 52 is removed. Since the trim portion 52 is fitted into the main body portion 51 without using screws, the construction is simplified, the construction period is shortened, and the aesthetic appearance is improved.

[0028] The retaining member 10 is fixed to the first frame member 3 and the second frame member 6 by fastening members 21 and 22 from inside the main body 51 before the trim portion 52 is attached. After the trim portion 52 is attached, fastening members 21 and 22 are concealed inside the retaining member 10, improving the aesthetic appearance. When the trim portion 52 is removed, the groove portion 10A is exposed, making it easy to attach the plate-like body G. The plate-like body G can be attached from the side on which the trim portion 52 is provided when the trim portion 52 is removed.

[0029] A backup material H is fitted into the main body 51 to form a joint base so as to clamp the end of the plate-like body G. A trim piece 52 is attached to the main body 51. When the trim piece 52 is attached to the main body 51, a groove 10A is formed between the arm 51A and the arm 52A. The gap between the groove 10A and the plate-like body G is filled with sealant C. The end of the plate-like body G is clamped between the arm 51A and the arm 52A via the sealant C.

[0030] Let's explain the transom 30. As shown in Figure 1, the transom 30 is a member that is installed horizontally on the vertical frame 50 from both the left and right sides of the mullion 2. The ends of the transom 30 are fixed to the mullion 2 and the vertical frame 50 with screws or the like.

[0031] As shown in Figure 6, when viewed from the side, the transom 30 has two screw claws 35, each having a pair of projections that protrude inward. The following description will focus on the side view. The screw claws 35 are formed so that a pair of projections, spaced apart in the depth direction, grip the screw. The screw 36 is screwed into the screw claws 35 of the transom 30 from inside the mullion 2, as shown in Figure 3, through screw holes (not shown) formed in the first frame member 3 and screw holes (not shown) formed in the second frame member 6. The screw 36 is screwed into the screw claws 35 of the transom 30, fixing the transom 30 to the mullion 2. The transom 30 is also fixed to the vertical frame 50 using screws. The screws are concealed inside the transom 30, mullion 2, and vertical frame 50, improving the aesthetic appearance of the joinery 1.

[0032] The transom 30 is a hollow member formed by extruding aluminum. The surface of the transom 30 is pre-painted or anodized. In addition to painting or anodizing, the surface of the transom 30 may also be lapped. The transom 30 comprises a main body 31. When viewed from the side, the transom 30 is formed as a cylindrical body with a rectangular cross-section. An arm portion 31B that forms a groove 31 is formed on the upper side of the main body 31. The end of the plate-like body G is held by the arm portion 31C via a sealing material C. An arm portion 31D that forms a groove 31B and is formed to hold the upper end of the plate-like body G is formed on the lower side of the main body 31.

[0033] A backup material H is fitted into the main body 31 to form a joint base so as to clamp the end of the plate-like body G. The gap between the groove 31A and the plate-like body G is filled with sealant C. The lower end of the plate-like body G is clamped and fixed by the groove 31A via the sealant C. The gap between the groove 31B and the plate-like body G is filled with sealant C. The upper end of the plate-like body G is clamped and fixed by the groove 31B via the sealant C.

[0034] In the embodiment of the joinery 1, the retaining member 10 is fixed to the first frame member 3 via screw holes 10B and 15 using a fastening member 21, and the retaining member 10 is fixed to the second frame member 6 via screw holes 10B and 19 using a fastening member 22, thereby allowing the plate-like body G to be positioned, for example, at the center in the depth direction of the mullion 2. In the embodiment of the joinery 1, the plate-like body G can be easily positioned at an eccentric location offset from the center in the depth direction of the mullion 2 by shifting the position of the screw holes 15 in the depth direction of the first frame member 3 and the position of the screw holes 19 in the depth direction of the second frame member 6. For example, as shown in Figure 7, the plate-like body G can be easily positioned on the exterior side in the depth direction of the mullion 2 by shifting the position of the screw holes 15 in the depth direction of the first frame member 3 and the position of the screw holes 19 in the depth direction of the second frame member 6 from the center toward the exterior side.

[0035] According to the building component 1 of this embodiment, the position of the plate-like body G in the depth direction can be easily changed, eliminating the need to prepare a mullion with a separate configuration, thereby suppressing increases in inventory and costs. Furthermore, even if the position of the plate-like body G in the depth direction is shifted, the mullion assembly screws are concealed by the retaining member 10, so the aesthetic appearance is not diminished.

[0036] If the plate-shaped body G is fixed using the fastening member 22 at a position far from the packings 23 and 24, a gap may form around the packings 23 and 24 when an external force is applied, potentially reducing the sealing performance. According to the building component 1 of the embodiment, since the plate-shaped body G is fixed to the first frame member 3 and the second frame member 6 using two fastening members 21 and 22 at positions close to the protrusions 11 and 12, even if the plate-shaped body G is fixed at a position offset from the center in the depth direction of the mullion 2, the plate-shaped body G can be fixed at a position close to the packings 23 and 24, and the airtight and watertight state using the packings 23 and 24 can be stably maintained. According to the building component 1 of the embodiment, by arranging the two fastening members 21 and 22 between the first part 11A and the first part 12A which are spaced apart in the depth direction, the plate-shaped body G can be fixed at a position close to the packings 23 and 24, and the airtight and watertight state can be stably maintained.

[0037] According to the building component 1 of this embodiment, packings 23 and 24 can be placed between the second frame member 6 and the second parts 11B and 12B, so that outdoor and indoor use can be easily selected depending on whether or not packings 23 and 24 are used. According to the building component 1 of this embodiment, when packings 23 and 24 are not used, the gaps 14A and 14B become secondary hollows and can be used as outside air intake passages.

[0038] According to the building component 1 of the embodiment, the second portions 11B and 12B of the protrusions 11 and 12 extend outward in the depth direction from the tip of the first portions 11A and 12A, making it easier to apply external pressure to the hollow on the outside.

[0039] According to the embodiment of the joinery 1, by constructing the mullion 2 and the retaining member 10 as separate components, the end of the plate-like body G is supported at a distance from the mullion, thus forming a thin mullion 2 when viewed from the front, improving the aesthetic appearance. According to the joinery 1, by providing a trim portion 52 on the retaining member 10, fixing screws and the like can be concealed inside the member without being exposed to the outside, improving the aesthetic appearance. According to the joinery 1, since the frame is formed by assembling pre-assembled and painted components with screws at the construction site, the construction process is simplified and the construction period can be significantly shortened.

[0040] If at least one of the screw holes 15 and 19 overlaps with the first portions 11A and 12A of the protrusions 11 and 12, the sealing performance of the packings 23 and 24 may be reduced. According to the building component 1 of the embodiment, by positioning the screw holes 15 and 19 in the depth direction away from the first portions 11A and 12A of the protrusions 11 and 12, it is possible to stably maintain an airtight and watertight state using the packings 23 and 24.

[0041] Preferred embodiments of this disclosure have been described above with reference to the attached drawings, but it goes without saying that this disclosure is not limited to these examples. The shapes and combinations of the components shown in the above examples are just examples and can be modified in various ways based on design requirements, etc., without departing from the spirit of this disclosure.

[0042] In the embodiment, a configuration in which the second parts 11B and 12B are L-shaped and extend outwards from the tips of the first parts 11A and 12A is illustrated, but the configuration is not limited to this. The second parts 11B and 12B may be L-shaped and extend inwards from the tips of the first parts 11A and 12A, or they may be T-shaped and extend on both sides in the depth direction from the tips of the first parts 11A and 12A. One of the second parts 11B and 12B may extend outwards from the tips of the first parts 11A and 12A, and the other may extend inwards from the tips of the first parts 11A and 12A.

[0043] In the embodiment, a configuration in which both fastening members 21 and 22 are positioned between the first portion 11A and the first portion 12A, which are separated in the prospective direction, has been illustrated, but the configuration is not limited to this. Either one of the fastening members 21 or 22 may be positioned outside the space between the first portion 11A and the first portion 12A.

[0044] In this embodiment, a configuration with two protrusions is illustrated, but the configuration is not limited to this. The protrusions may be arranged in a configuration with three or more protrusions spaced apart in the depth direction. [Explanation of Symbols]

[0045] 1...Joinery, 2...Mull, 3...First frame member, 6...Second frame member, 10...Retaining member, 10A...Groove, 11, 12...Protrusion, 11A, 12A...First part, 11B, 12B...Second part, 14A, 14B...Gap, 21, 22...Fastening member, 23, 24...Packing, 30...Transom, G...Plate-shaped body

Claims

1. A first frame member extending in the vertical direction, A second frame member that extends in the vertical direction and whose cross-section is formed into a rectangular shape when combined with the first frame member, Each of the protrusions extends vertically and is spaced apart from one another in the depth direction, and each protrudes from the inner surface of the first frame member toward the second frame member in the depth direction, A pair of retaining members are formed extending vertically in the first frame member and the second frame member, having grooves for holding the ends of plate-like bodies, and are attached to the first frame member and the second frame member using a first fastening member and a second fastening member, Equipped with, The aforementioned projection is The cross-section comprises a first portion that extends linearly from the inner surface of the first frame member toward the second frame member, The cross-section comprises a second portion extending from the tip of the first portion in the direction of depth, It has, The first frame member has a first vertical plate formed in a strip shape extending in the depth direction, The second frame member has a second vertical plate formed in a strip shape extending in the depth direction, The first vertical plate has a plurality of first screw holes formed therein, into which the first fastening member engages. The second vertical plate has a plurality of second screw holes formed therein, into which the second fastening member engages. A mullion having multiple first fastening members and first screw holes, and multiple second fastening members and second screw holes, each positioned at a distance from each other in the depth direction and vertical direction.

2. The projection is formed in an L-shape in the cross-section such that the second portion extends from the tip of the first portion to the same side in the depth direction. The mullion according to claim 1.

3. The projection has a second portion that extends from the tip of the first portion toward the outdoor side in the direction of the projection. The mullion according to claim 2.

4. A packing can be placed between the second frame member and the second portion. A mullion according to any one of claims 1 to 3.

5. The second screw hole is positioned apart from the first portion which extends in the vertical direction. The mullion according to claim 4.

6. The fastening member is positioned between the first portion which is spaced apart in the direction of the projection. The mullion according to claim 1.

7. A vertically extending mullion, A transom extending in the visible direction is provided on the aforementioned mullion, It has, A door or window in which the mullion described in any one of claims 1 to 3 is used as the mullion.

Citation Information

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