JP2001262721A - Gasket for outer wall panel, and construction method for installation of the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gasket for an outer wall panel to be inserted into a joint between outer wall panels from above as a tube part is evacuated and contracted which can be securely inserted to a specified position in the joint by positioning it when it is inserted. SOLUTION: This gasket comprises a tube part 12 having a cup-shaped cross sectional surface, and an upward developed symmetric positioning guide 15 having a V-shaped lock part 14 at a tip, and in inserting it into a joint 19 between units, evacuation is applied as a film is applied to a lower end of the tube part 12 to close it, so the tube part 12 is contracted to let the lock part 14 engaged with a corner of a pole 21 and a corner of an outer wall panel 22, thereby it is positioned and inserted.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a gasket for an outer wall panel which is inserted into a joint between outer wall panels of a building for waterproofing, and a method of mounting the gasket.

[0002]

2. Description of the Related Art When an outer wall of a building is composed of outer wall panels, a gap usually called a joint is formed between the attached outer wall panels. At these joints, gaskets are usually inserted for waterproofing, cement mortar is applied, or a coating agent is filled, in which gaskets are easy to install and have no cracks after installation. Insertion is widely performed.

As shown in FIGS. 9A and 9B, a gasket of this type has a band-shaped surface layer portion 3 having a width covering the joints 2 between the outer wall panels 1, and a gasket which is always expanded behind the surface layer portion 3. It consists of a pair of fin-shaped flexible holding plates 4 projecting in an open state, and when attached to the joint 2, the holding plate 4 is pressed from both sides and narrowed as shown in FIG. 9A. In this state, it is inserted into the joint 2 from above, and after the insertion, the holding plate 4 is expanded as shown in FIG. 8-607
No. 56), joints 7 between the outer wall panels 6 as shown in FIG.
A strip-shaped surface layer portion 8 having a width covering the base member, a long plate-shaped base portion 9 protruding from the back side of the surface layer portion 8, and a butterfly shape protruding symmetrically on both sides of the base portion 9 And a pair of flexible tube portions 10 which are inserted into the joint 7 from above when the tube portion 10 is contracted and flattened by evacuating the inside of the tube portion when the tube portion 10 is mounted on the joint 7. Then, the evacuation is stopped to introduce outside air, and the tube 10
(See Japanese Patent Application Laid-Open No. 8-7)
No. 4340).

[0004]

A gasket of the type shown in FIGS. 9 and 10 is inserted into a joint from above, and since the gasket is attached, it is not necessary for an operator to move from the upper end to the lower end of the joint, and the gasket is not connected to a neighbor. Can work without a scaffold even in places where scaffolds cannot be set up,
That the gasket shown in FIG. 10 can be inserted in a contracted state by further evacuation, so that the insertion force can be reduced and the gasket shown in FIG. 10 can be inserted smoothly.
After the insertion, the evacuation is stopped and the joint can be sealed by introducing and expanding the outside air, and the evacuation has the advantages that existing compressors provided in many factories can be used.

It is a first object of the present invention to provide a gasket for an outer wall panel which can improve the above-mentioned gasket so that positioning at the time of insertion can be surely performed, and a method of mounting the gasket. A second object of the present invention is to provide a gasket for an outer wall panel that can be surely mechanically mounted, and a method of mounting the gasket.

[0006]

The invention according to claim 1 is a gasket for an outer wall panel, which is inserted into joints between outer wall panels of a building part to achieve the first object, and contracts by taking in and out of air. It can be expanded or inflated, and it has a resilient tube part that elastically contacts and seals the outer wall panel side end surface that constitutes the joint. Is possible,
It is characterized by comprising a positioning guide provided with a locking portion that engages with a corner portion of the chamfered end surface of the outer wall panel to perform positioning.

According to the gasket of the present invention, since the locking portion of the positioning guide is locked and locked to the end face corner of the outer wall panel, it is always fixed at the same position in the joint regardless of the joint width. it can.

The positioning guide of the present invention may be formed so as to expand outward toward the front of the joint, or may be formed so as to expand outward toward the back of the joint. .

A second aspect of the present invention relates to the method of mounting a gasket according to the first aspect of the present invention, in which air is extracted from the tube to shrink it, and the positioning guide is pushed in from both sides to be narrowed. The gasket is inserted into the joint so that the locking portion is positioned at the corner of the end face of the outer wall panel from above, and after the insertion, air is introduced into the tube portion to inflate the gasket so as to elastically contact the end surface of the outer wall panel. I do.

According to the present invention, the positioning guide inserted into the joint is restored and expanded by releasing the pushing force, and the locking portion is positioned by engaging with the end face corner of the outer wall panel.

In the present invention, in order to evacuate air from the tube portion and contract it, for example, a method of connecting a compressor to the tube portion and evacuating the tube portion, a method of pressing the tube portion or passing the tube portion between rolls and pressing the same is used. In either case, it is desirable to attach a film to one end of the tube portion to close the tube end so that air does not enter during contraction. Thereby, the tube portion can be maintained in a contracted state.

In addition to the case where air is introduced into the tube portion and inflated, apart from the case where the tube portion is restored and expanded by restoring force, when air is introduced by connecting a compressor to the tube portion, one end of the tube is connected. It is necessary to block the air so that the air does not escape.

According to a third aspect of the present invention, there is provided a gasket for an outer wall panel for attaining a second object, wherein the gasket can be contracted or expanded by taking in and out of air, and constitutes a joint. It has a resilient tube portion that resiliently contacts and seals the side end surface, and the tube portion is provided with locking means for releasably connecting the two opposing surfaces to the inner opposing surface.

According to the gasket of the present invention, when the tube is inserted into the joint, the tube portion is crushed, the opposing surfaces are connected by the locking means, and the tube is inserted in a contracted state. After the insertion, when the tube portion is inflated, air is introduced into the tube portion. As a result, the tube portion expands, and the connection of the opposing surfaces by the locking means is released.

As the locking means in the present invention, for example, a convex portion protruding from one of the opposing surfaces inside the tube portion and a convex portion formed on the other opposing surface are provided. An example is a recess that is fitted and locked as much as possible.

According to a fourth aspect of the present invention, there is provided the method of mounting a gasket according to the third aspect of the present invention, wherein one end of a tube portion is closed, and the tube portion is crushed to lock an opposing surface by locking means. In the connected state, the gasket is inserted into the joint from above, and after the insertion, air is introduced from the other end of the tube portion to inflate, and the connection of the opposing surfaces by the locking means is released.

According to the present invention, by crushing the tube portion and connecting the opposed surfaces by the locking means, the tube portion is maintained in a crushed state.

According to a fifth aspect of the present invention, in the third aspect of the present invention, the symmetrical shape can be expanded on both sides and can be narrowed by being pushed in, and can be narrowed by pushing in. A positioning guide having a locking portion for locking and positioning is provided, and the invention according to claim 6 relates to the method for mounting and mounting a gasket according to the invention according to claim 5, wherein With the one end closed and the tube section crushed and the opposing surfaces connected by the locking means, the gasket is inserted from above into the joint such that the locking portion is located at the end face corner of the outer wall panel, and inserted. Thereafter, air is introduced from the other end of the tube portion to be inflated, and the connection of the opposing surfaces by the locking means is released.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A gasket 11 shown in FIG. 1 has a tube portion 12 made of rubber or resin and having an elastic cup-shaped cross section, a mounting portion 13 formed to project downward from the tube portion 12, and The V-shaped engaging portion 14 is fitted to the mounting portion 13, symmetrically expanded and expanded upward, and has a V-shaped engaging portion 14.
The lip pieces 16 are formed on the left and right sides of the tube portion 12 so as to project symmetrically.

FIGS. 2 and 3 show the gasket 11 at a joint 19 formed between building units 18 of a unit building.
In the building unit 18, a plurality of studs are attached to the building unit 18 by attaching beams (not shown) made of grooved steel between the upper and lower ends of a column 21 made of a square steel pipe, and furthermore, an inner wall panel is provided inside. (Not shown), outer wall panel 22 on the outside
Is configured.

The gasket 1 is placed at the joint 19 between the building units.
When inserting 1, a film (not shown) is attached to the lower end of the tube portion 12 to close the lower end of the tube portion,
A compressor is connected to the upper end of the tube section, and the tube section 12 is evacuated. When the tube portion 12 is contracted and the end of the positioning guide 15 is pressed down and narrowed, the locking portion 14 is positioned above the joint 19 at the corner of the pillar 21 and the chamfered corner of the outer wall panel 22. (Fig. 2). The positioning guide 15, which has been released from holding down with the insertion, expands as shown in FIG.
The locking portion 14 is positioned by fitting into the corner. In this state, the gasket 11 is inserted into the joint to the lower end. Thereafter, the tube portion 12 is restored by the introduction of air, and elastically contacts the end face of the outer wall panel.

According to the gasket of the above embodiment, the gasket is inserted into the joint from above, and the worker does not need to move from the upper end to the lower end of the joint to insert the gasket. It is possible to work without scaffolding even in places where it is not possible, the structure is simple because the tube part is single and only formed in a cup shape, it is inserted in a state where the tube part is evacuated and contracted Therefore, the insertion force is small and the insertion can be done smoothly.
Vacuum evacuation of the tube section can be easily performed using a compressor provided in many factories, and the joint can be reliably sealed even if the joint width changes by expanding the tube section and elastically attaching it to the end face of the outer wall panel That is, even if the joint width changes, the positioning guide expands and contracts so that the locking portion can be positioned by engaging with the corner of the pillar and the corner of the outer wall panel end surface. An effect such as being able to be reliably inserted into a predetermined position is achieved.

The gasket 25 shown in FIG. 4 has the same structure as the above-mentioned positioning guide 15, and is formed integrally with the tube 27 by expanding a positioning guide 26 having a locking portion 28 formed at the tip thereof downward. FIG. 5 shows a gasket 25 at the joint 19 formed between the building units 18.
Is an example in which is inserted.

The gasket 31 shown in FIG. 6 has a rectangular shape with a tube portion 32 having four chamfered corners, and a pair of projections 33 having a key-shaped cross section are provided on one of the right and left opposing surfaces. In addition, a pair of concave portions 34 in which the convex portions 33 are fitted and locked are formed on the other facing surface. The mounting guide 35 shown in FIG.
Similarly to 5, a positioning guide 36 having a locking portion 37 formed at the tip is mounted symmetrically.

When the gasket 31 is inserted into the joint 19 between the building units 18, the tube portion 32 is crushed from the left and right to fit the projection 33 into the recess 34, and the opposite surfaces are as shown in FIG. Connect to And the tube part 32
A film is stuck to the lower end of the tube, the lower end of the tube portion is closed, and the positioning guide 36 is pushed in from both sides to be narrowed. Insert so that it is located at the chamfered corner. Then, the engaging portion is pushed into the joint in a state where the engaging portion is fitted and positioned at both corners (FIG. 7), inserted into the underground end of the joint, and then air is introduced from the compressor into the upper end of the tube portion. As a result, the tube portion 32 expands, and the convex portion 33 is separated from the concave portion 34, and elastically contacts the end face on the outer wall panel side (FIG. 8).

According to the gasket of this embodiment, since the gasket is inserted from above and the worker does not need to move from the upper end to the lower end of the joint to insert the gasket, the gap with the neighbor is narrow, and the scaffold is provided. Work can be performed without scaffolding even in places where there is no need.The structure is simple because the tube part is single and only square, and the tube part is crushed and the uneven part is fitted and locked. It can be maintained in the contracted state, there is no need to keep the compressor running to maintain the contracted state, the insertion force is small because the tube part is inserted in the contracted state,
Smooth insertion, inflating by introducing air into the tube, and resilient contact with the outer wall panel end surface ensures reliable joint sealing even if the joint width changes.
Even if the joint width changes, the positioning guide expands and contracts, and the locking portion can be positioned by engaging with the corner of the pillar and the corner of the end surface of the outer wall panel. This has the effect of being able to be securely inserted.

In the gasket 31 shown in FIGS. 6 to 8, the positioning guide 36 is expanded upward, but may be expanded downward as shown in FIG.

[0028]

According to the first and second aspects of the present invention, by inserting the gasket into the joint from above, the operator pushes the gasket from the front side of the joint while moving from the upper end to the lower end of the joint. You do n’t have to
Work can be performed without scaffolding even in places where scaffolds cannot be installed due to the small gap between the house and the adjacent house. After the insertion, inflate the tube by inserting air into it, and even if the joint width changes by being elastically contacted with the outer wall panel end surface, the joint can be reliably sealed, and when bleeding air from the tube, Even if the joint width changes, the positioning guide expands and contracts so that the locking portion can be engaged with the chamfered end face corner portion of the outer wall panel and positioned, so that positioning can be performed. By inserting the gasket in the state, it is possible to ensure that the gasket can be securely inserted at a predetermined position.

According to the third and fourth aspects of the present invention, the tube portion can be maintained in a contracted state by crushing the tube portion and connecting the opposing surfaces thereof with the locking means, so that the tube portion can be maintained in a contracted state. It is not necessary to keep the compressor running to keep the compressor in a contracted state.

According to the fifth and sixth aspects of the present invention, the effects of the first and second aspects of the present invention and the third and fourth aspects of the present invention are provided.
The effects of the described invention can also be achieved.

[Brief description of the drawings]

FIG. 1 is a sectional view of a gasket for an outer wall panel according to the present invention.

FIG. 2 is a sectional view showing a state where the gasket shown in FIG. 1 is inserted into joints between outer wall panels.

FIG. 3 is a cross-sectional view showing a state where the gasket is positioned by vacuum evacuation and inserted.

FIG. 4 is a sectional view of another embodiment of a gasket for an outer wall panel.

FIG. 5 is a sectional view showing an inserted state of the gasket.

FIG. 6 is a sectional view of another example of a gasket for an outer wall panel.

FIG. 7 is a cross-sectional view showing a state where the tube portion is contracted and inserted.

FIG. 8 is a sectional view showing the gasket shown in FIG. 6 in an inserted state;

FIG. 9 is a sectional view showing an example of use of a conventional gasket for an outer wall panel.

FIG. 10 is a sectional view showing an example of use of another conventional gasket for an outer wall panel.

[Explanation of symbols]

 11, 25, 31 Gasket 12, 27.32 Tube part 13, 35 Mounting part 14, 28, 37 Locking part 15, 26, 36 Positioning guide 16 Lip piece 18.・ Building unit 19 ・ ・ Joint 21 ・ ・ Pole 22 ・ ・ Outer wall panel 33 ・ ・ Protrusion 34 ・ ・ Recess

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Tsuyoshi Goto 32 Wadai, Tsukuba, Ibaraki Sekisui Chemical Co., Ltd. F-term (reference) 2E001 DA01 FA04 FA51 GA01 GA09 GA23 GA67 GA72 HD11 HE01 LA03 LA09 MA02 MA04

Claims (6)

[Claims] A gasket for an outer wall panel to be inserted into joints between outer wall panels of a building part, wherein the gasket can be contracted or expanded by taking in and out of air, and constitutes the joint wall 19. Resilient tube sections 12 and 27 which elastically contact and seal the side end faces, and which are symmetrically expanded on both sides and can be narrowed by pushing in, and the corners of the chamfered end faces of the outer wall panel 22 A gasket for an outer wall panel, comprising positioning guides (15, 26) provided with locking portions (14, 28) for engaging and positioning the portions. 2. The gaskets 11, 25 are jointed with the gaskets 11, 25 in a state where air is released from the tube portions 12, 27, contracted, and the positioning guides 15, 26 are pushed in from both sides to be narrowed.
Are inserted from above in such a manner that the locking portions 14 and 28 are positioned at the end face corners of the outer wall panel 22, and after the insertion, air is introduced into the tube portions 12 and 27 to expand the outer wall panel 2.
2. The method for mounting a gasket for an outer wall panel according to claim 1, wherein the gasket is elastically contacted with an end face of the outer wall panel. 3. A gasket for an outer wall panel to be inserted into joints between outer wall panels of a building part, wherein the gasket can be contracted or inflated by taking in and out of air, and is on the side of the outer wall panel forming the joints 19. An elastic tube portion 32 that elastically contacts and seals the end surface, and the tube portion 32
A gasket for an outer wall panel, wherein locking means 33 and 34 are provided on the inner facing surface so as to detachably connect the two facing surfaces. 4. An end of the tube portion 32 is closed, and the tube portion 32 is crushed to lock the opposing surfaces with locking means 33, 34.
In this state, the gasket 31 is inserted into the joint 19 from above, and after insertion, air is introduced from the other end of the tube portion 32 to inflate the gasket 31 and the connection of the opposing surfaces by the locking means 33 and 34 is released. The method of mounting an outer wall panel gasket according to claim 3. 5. A locking portion which is symmetrical and expands to both sides and can be narrowed by being pushed in, and has a locking portion for locking and positioning at a chamfered end surface corner portion of the outer wall panel 22. The gasket for an outer wall panel according to claim 3, wherein a positioning guide (36) is provided. 6. One end of the tube portion 32 is closed, and the tube portion 32 is crushed to lock the opposing surfaces with locking means 33, 34.
The gasket 31 is inserted into the joint 19 from above in such a manner that the locking portion is located at the end face corner of the outer wall panel 22, and after insertion, air is introduced from the other end of the tube portion 32 to expand the gasket 31. 6. The method for mounting a gasket for an outer wall panel according to claim 5, wherein the connection between the opposing surfaces by the locking means 33, 34 is released.