JP2925874B2 - Joint cover - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint cover which is mounted in a gap between adjacent wall panels to close the gap.

[0002]

2. Description of the Related Art Conventionally, a joint cover has, for example, a practically-opened flat 2.
As disclosed in JP-A-58508 and JP-B-59-6986, a support leg inserted into a gap between adjacent wall panels and a relative position of the two wall panels from both side surfaces of the support leg. There is known a structure which is integrally provided with a pair of lip pieces which project toward an end face to be bent and resiliently contact these end faces.

[0003]

As described above, in the joint cover having the support leg and the pair of lip pieces integrally, in order to enhance the sealing performance and the holding force with respect to the gap between the two wall panels, Therefore, it is necessary to increase the projecting length of the pair of lip pieces from both side surfaces of the support leg and increase the thickness of these lip pieces to increase the resilience based on the elastic deformation of the pair of lip pieces.

However, when the elasticity of the pair of lip pieces is increased as described above, it becomes difficult to fit the pair of lip pieces into the gap between the adjacent wall panels while elastically deforming the pair of lip pieces. become worse. In addition, it is conceivable to bond a pair of lip pieces to an opposite end face of both wall panels with an adhesive material such as a double-sided adhesive tape. When the support leg is fitted while being deformed, the adhesive acts as an obstruction, and the fitting becomes difficult.

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, an object of the present invention is to provide a joint cover which can enhance the sealing property and the holding force while preventing the mounting property from being deteriorated in a gap between adjacent wall panels. That is.

[0006]

According to one aspect of the present invention, a support leg inserted into a gap between adjacent wall panels is provided. A joint cover protruding toward opposite end faces of the panel and integrally including a pair of lip pieces elastically contacting these end faces, wherein the pair of lip pieces includes a hot-melt adhesive-containing or coated synthetic lip piece. After the legs are fitted into the gaps, the hot-melt adhesive is heated and melted so that the pair of lip pieces adhere to the opposite end faces of the two wall panels. Configuration. Further, according to the invention of claim 2, a metal wire that generates heat when a required current is supplied and that melts the hot melt adhesive of the pair of lip pieces is inserted into each of the pair of lip pieces.

[0007]

In the joint cover according to the first aspect, when the pair of lip pieces are fitted together with the support legs while being elastically deformed, into the gap between the adjacent wall panels, the pair of lip pieces. Since the one piece of the hot melt adhesive is in a solidified state, the adhesive is easily fitted into the gap without becoming an obstacle. In this way, after the support legs are fitted together with the pair of lip pieces into the gap, the hot-melt adhesive is heated and melted, so that the pair of lip pieces with respect to the opposite end face of the adjacent wall panel. Is securely bonded by the hot melt adhesive. In the joint cover according to the second aspect, a current is applied to the metal wire inserted into the pair of lip pieces, and the wire generates heat, so that the hot melt adhesive of the pair of lip pieces is efficiently heated. Is melted.

[0008]

【Example】

(Embodiment 1) Hereinafter, Embodiment 1 of the present invention will be described with reference to FIGS. In FIG. 1 which shows the joint cover in a perspective view and FIG. 2 which shows a cross section, the joint cover 2
A supporting leg 3 inserted into a gap S between adjacent two wall panels 1, and a pair of inner lip pieces protruding from both inner side surfaces of the supporting leg 3 toward opposite end surfaces of the both wall panels 1. 4 and a pair of outer lip pieces 5 which protrude from the outer ends of the support legs 3 toward the opposing end faces of the two-wall panel 1 and are elastically deformed and pressed against these end faces.

The support leg 3 is made of a hard synthetic resin, and has a metal core 6 made of a flat metal plate such as a stainless steel plate inserted therein. Each pair of inner lip pieces 4
The outer lip 5 is made of a soft synthetic resin or rubber containing a hot-melt adhesive, and is formed to have a protruding length which is elastically deformed in a curved shape and presses against the opposing end faces of the two wall panels 1. ing.

Further, metal wires 7 and 8 are inserted into the joint lip piece 5 over the entire length of the joint cover 2 at the front end portion of each of the pair of inner lip pieces 4 and outer lip pieces 5. As shown in FIG. 1, both ends of each of the wires 7 and 8 project from the longitudinal end surfaces of the joint cover 2 by a predetermined length, and are exposed.

Then, each end 7a of each wire 7, 8
In a state where the wires 8a are connected to each other, a required voltage is applied to the other ends 7b and 8b of the wires 7 and 8, and a current flows through the wires 7 and 8, The wires 7 and 8 generate heat, and the hot melt adhesive is heated and melted by heat energy based on the generated heat, whereby a pair of the inner lip piece 4 and the outer lip 4 The contact portions of the pieces 5 are respectively bonded.

In the first embodiment configured as described above, before the joint cover 2 is mounted in the gap S between the two wall panels 1 as shown in FIG. The hot melt adhesive contained in the outer lip piece 5 is in a dry and solidified state.

For this reason, when the support leg 3 is fitted into the gap S while elastically deforming the pair of inner lip pieces 4 and the outer lip piece 5, the hot-melt adhesive may interfere with the fitting operation. Not be.

As shown in FIG. 2, the pair of inner lip pieces 4 and outer lip pieces 5 are elastically deformed into a curved shape when the support legs 3 are fitted into the gaps S to a predetermined position. The panel 1 is pressed against the opposite end face.

Here, a required voltage is applied to the other end portions 7b and 8b of the wires 7 and 8 inserted into the pair of inner lip pieces 4 and the outer lip pieces 5, respectively. Then, a required current is supplied to each of the wires 7 and 8, whereby the wires 7 and 8 generate heat. And each wire 7,
The hot-melt adhesive of the inner lip piece 4 and the outer lip piece 5 is heated and melted by the heat energy based on the heat generation of the lip 8.

When the hot-melt adhesive is heated and melted, the contact portions of the inner lip piece 4 and the outer lip piece 5 to the opposite end faces of the two wall panels 1 are respectively bonded, whereby the joint cover 2 is mounted. Is completed.

That is, when the joint cover 2 is fitted into the gap S between the two wall panels 1, the joint cover 2 is easily fitted into the gap S because the hot melt adhesive is in a dry and solidified state. It is.

After the joint cover 2 is fitted into the gap S, the hot-melt adhesive is heated and melted, so that the inner lip 4 and the outer lip 5
Are securely bonded, so that the sealing performance with respect to the two wall panels 1 and the holding force of the joint cover 2 are enhanced, and the joint cover 2 is reliably prevented from rising and coming off.

(Embodiment 2) Next, Embodiment 2 of the present invention will be described with reference to FIGS. 4 and 5. In Embodiment 2, a pair of projections 3 respectively projecting from the support legs 3 of the joint cover 2 will be described. The inner lip piece 4 and the outer lip piece 5 are formed integrally from a soft synthetic resin or rubber or the like that does not contain a hot-melt adhesive, and the inner lip piece 4 and the outer lip with respect to opposing end faces of the two-wall panel 1. The hot melt adhesives 9 and 10 are applied to the contact portions of the pieces 5.

Since the other members and portions are the same as those in the first embodiment, the same members and portions are denoted by the same reference numerals and description thereof is omitted. Therefore, also in the second embodiment, when the support leg 3 is fitted into the gap S between the two wall panels 1 while elastically deforming the pair of the inner lip pieces 4 and the outer lip pieces 5, Since the hot melt adhesives 9 and 10 applied to the pieces 4 and 5 are in a dry and solidified state, the joint cover 2 is easily fitted into the gap S.

After the joint cover 2 is fitted into the gap S, the hot melt adhesive 9, 9 is heated by heat energy generated by energizing the wires 7, 8 of each of the pair of inner lip pieces 4 and the outer lip piece 5. By heating and melting 10, the contact portions of the inner lip piece 4 and the outer lip piece 5 with the end surfaces of the two wall panels 1 are securely bonded.

Third Embodiment Next, a third embodiment of the present invention will be described with reference to FIG. In the third embodiment, the joint cover 2 integrally includes a cover body 11, a support leg 3, and a pair of lip pieces 4.

The cover body 11 straddles the outer surface of the two wall panels 1 and closes the gap S between the two wall panels 1. The support leg 3 inserted into S protrudes at right angles.

The main body of the cover body 11 and the support leg 3 is formed of a metal core 12 having a substantially T-shaped cross section. Further, the cover body 11 includes an upper side portion 12a of the cored bar 12 and a synthetic resin outer covering layer 13 covering the upper side portion 12a.
It is composed of The support leg 3 has a vertical portion 12b of the metal core 12 and a coating layer 14 which covers both side surfaces of the vertical portion 12b and is made of a soft synthetic resin, rubber, or the like of the same material as the lip piece 4 described below. It is composed of

A pair of lip pieces 4 protrude downwardly on both sides of the support leg 3 toward the end face of the two-wall panel 1, respectively. Engagement part 4 which engages with the back corner of the end face of wall panel 1
a is formed in a notch shape.

The pair of lip pieces 4 are formed of a soft synthetic resin, rubber or the like containing a hot melt adhesive, and the pair of lip pieces 4 are elastically deformed with respect to the gap S between the two wall panels 1. When the hot melt adhesive of the pair of lip pieces 4 is fitted together with the support leg 3 while being pressed, the hot melt adhesive is in a dry and solidified state so that the adhesive does not become an obstacle to the fitting.

Further, metal wires 7 are inserted into the pair of lip pieces 4 in substantially the same manner as in the first embodiment, and both ends of these wires 7 are respectively defined by predetermined lengths from both end surfaces in the longitudinal direction of the joint cover 2. Only protruding and exposed.

Therefore, also in the third embodiment, when the support leg 3 is fitted into the gap S between the two wall panels 1 while elastically deforming the pair of lip pieces 4, the hot lip contained in the lip piece 4 is inserted. Since the melt adhesive is in a dry and solidified state, the joint cover 2 is easily fitted into the gap S.

After the joint cover 2 is fitted into the gap S, the hot melt adhesive is heated and melted by the heat energy generated by the energization and heating of the wires 7 of the pair of lip pieces 4, so that the two-wall panel 1 is heated. Lip piece 4 for the end face
Is securely bonded.

(Embodiment 4) Next, Embodiment 4 of the present invention will be described with reference to FIG. 7. In Embodiment 4, a pair of lip pieces 4 projecting from the support legs 3 of the joint cover 2 are hot. Hot melt is applied to the locking portion 4a of the lip 4 which is integrally formed of a soft synthetic resin or rubber which does not contain a melt-based adhesive and which engages with the rear corners of the opposite end faces of the both-wall panels 1. The adhesive 9 is applied.

Since the other members and portions are the same as those of the third embodiment, the same members and portions are denoted by the same reference numerals and description thereof will be omitted.

Therefore, also in the fourth embodiment, when the support leg 3 is fitted into the gap S between the two wall panels 1 while elastically deforming the pair of lip pieces 4, the locking of the pair of lip pieces 4 is performed. Since the hot melt adhesive 9 applied to the portion 4a is in a dry and solidified state, the joint cover 2 is easily fitted into the gap S.

After the joint cover 2 is fitted into the gap S, the hot melt adhesive 9 is heated and melted by the heat energy generated by the energization and heating of the wires 7 of the pair of lip pieces 4, so that the double-walled panel is formed. The locking portions 4a of the pair of lip pieces 4 are securely bonded to the inner corners of the end surfaces of the first end surfaces.

[0034]

As described above, according to the present invention,
When the pair of lip pieces are fitted together with the support legs while being elastically deformed in the gap between adjacent wall panels,
Since the hot-melt adhesive of the pair of lip pieces is in a solidified state, the hot-melt adhesive can be easily fitted into the gap without obstructing the fitting. In this way, after the support legs are fitted together with the pair of lip pieces into the gap, the hot-melt adhesive is heated and melted so that the pair of lip pieces contact the opposing end faces of the adjacent wall panel. The surfaces can be securely bonded by a hot melt adhesive. As a result, it is possible to enhance the sealing performance and the holding force while preventing the mounting performance from deteriorating. Further, in the joint cover according to the second aspect, a current is applied to the metal wire inserted into the pair of lip pieces, and the core material generates heat, so that the hot melt adhesive of the pair of lip pieces can be efficiently removed. It can be melted by heating and can prevent poor adhesion.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a joint cover according to Embodiment 1 of the present invention.

FIG. 2 is a cross-sectional view showing a state where a joint cover is mounted between both wall panels.

FIG. 3 is a cross-sectional view showing a state before the joint cover is inserted between both wall panels.

FIG. 4 is a cross-sectional view illustrating a joint state of a joint cover according to a second embodiment of the present invention.

FIG. 5 is a sectional view showing a state before the joint cover is inserted between both wall panels.

FIG. 6 is a cross-sectional view illustrating a state where a joint cover according to a third embodiment of the present invention is mounted.

FIG. 7 is a cross-sectional view showing a joint state of a joint cover according to a fourth embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Wall panel 2 Joint cover 3 Support leg 4 Inner lip piece (lip piece) 7 Metal wire 9 Hot melt adhesive

────────────────────────────────────────────────── ─── Continuation of front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E04B 1/62-1/72

Claims (2)

(57) [Claims] 1. A support leg inserted into a gap between adjacent wall panels, and a pair of lips protruding from both side surfaces of the support leg toward opposing end surfaces of the both wall panels and elastically contacting these end surfaces. A joint cover integrally provided with a piece, wherein the pair of lip pieces are formed of synthetic resin, rubber, or the like containing or coated with a hot-melt adhesive, and the legs are fitted into the gaps The joint cover is characterized in that the pair of lip pieces are bonded to opposite end surfaces of the two wall panels by heating and melting the hot melt adhesive. 2. The joint cover according to claim 1, wherein a metal wire that generates heat when a required current is supplied and that melts the hot melt adhesive of the pair of lip pieces is inserted into each of the pair of lip pieces. A joint cover characterized by being made.