JPH1076574A - Sealed structure of hollow plate - Google Patents

Sealed structure of hollow plate

Info

Publication number
JPH1076574A
JPH1076574A JP8252204A JP25220496A JPH1076574A JP H1076574 A JPH1076574 A JP H1076574A JP 8252204 A JP8252204 A JP 8252204A JP 25220496 A JP25220496 A JP 25220496A JP H1076574 A JPH1076574 A JP H1076574A
Authority
JP
Japan
Prior art keywords
hollow plate
welding
plate
lid
distance pieces
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8252204A
Other languages
Japanese (ja)
Inventor
Kaoru Okamoto
薫 岡本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Carbide Industries Co Inc
Original Assignee
Nippon Carbide Industries Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Carbide Industries Co Inc filed Critical Nippon Carbide Industries Co Inc
Priority to JP8252204A priority Critical patent/JPH1076574A/en
Publication of JPH1076574A publication Critical patent/JPH1076574A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2024/00—Articles with hollow walls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PROBLEM TO BE SOLVED: To improve the deflecting strength of a hollow plate by a method wherein welding distance pieces are inserted into the hollow plate and the end surfaces of the same are sealed by lid bodies while at least the welding distance pieces are welded to projections for welding through ultrasonic fusion welding. SOLUTION: Welding distance pieces 7 are inserted into a hollow plate 1 so as to engage the welding distance pieces 7 with projections 6 for welding while reinforcing distance pieces 8 are inserted into the hollow plate 1 and end surfaces of the hollow plate 1 are sealed temporarily by lid bodies 2. Further, an ultrasonic horn is pushed against and contacted with the surfaces 3, 3' of the hollow plate 1 from the outside of them to weld the projections 6 for welding to the welding distance pieces 6 to fix them through ultrasonic fusion welding whereby the sealed structure of the hollow plate is formed. The fused and fixed surfaces are fixed by fusion welding so that the projections 6 for welding bite the welding distance pieces 7 and the distance pieces are fused and fixed to a part of the inner surfaces of the surface plates 3, 3'.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【産業上の利用分野】本発明は、中空板のシール構造に
関するものである。より詳しくは、中空板の端面に蓋を
取り付け、封じ・固定する中空板のシール構造に関する
ものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing structure for a hollow plate. More specifically, the present invention relates to a hollow plate sealing structure in which a lid is attached to an end face of a hollow plate, and the lid is sealed and fixed.

【０００２】[0002]

【従来の技術】近年、木製の板材に変わりプラスチック
製の板材が使用されるようになっている。特に中空のプ
ラスチック製の板材が下駄箱、厨房等の棚板として広く
使用されている。2. Description of the Related Art In recent years, plastic plate materials have been used in place of wooden plate materials. In particular, a hollow plastic plate material is widely used as a shelf board for a shoe box, a kitchen or the like.

【０００３】従来、中空のプラスチック製板材を棚板と
して使用するために上記中空のプラスチック製板材の端
面に端面封じ用の蓋が取り付けられ、ネジ止め、嵌合、
接着剤、超音波接合、高周波接合などで固着されてい
た。これらの固着方法の中でも超音波接合が多く使用さ
れるようになっている。上記超音波接合の技術は、例え
ば実開昭６３−１８９６２９号公報に記載されいるよう
に接合面に突起を設けることにより局部発熱が起こり接
着物、被接着物が溶融し接合される。Conventionally, in order to use a hollow plastic plate material as a shelf board, a lid for sealing the end face is attached to an end surface of the hollow plastic plate material, and screwing, fitting, and the like are performed.
It was fixed with an adhesive, ultrasonic bonding, high frequency bonding, or the like. Among these fixing methods, ultrasonic bonding is increasingly used. In the ultrasonic bonding technique, for example, as described in Japanese Utility Model Application Laid-Open No. 63-189629, a projection is provided on a bonding surface to cause local heat generation, whereby an adherend and an adherend are melted and joined.

【０００４】本発明の中空板のシール構造における固着
方法として、超音波溶着することが有用である。[0004] As a method for fixing the hollow plate of the present invention to the seal structure, ultrasonic welding is useful.

【０００５】[0005]

【発明が解決しようとする課題】しかしながら、接着用
突起を共に設けないで中空板の表面板および蓋体に設け
られた接着立片を接近・接触させて超音波接合すること
は、超音波エネルギーが拡散して良好な溶着がなされな
い。また、蓋体に設けられた接着用の立片に接着用の突
起を設けたとき超音波溶着はやや良好であるが、蓋体に
突起付きの接着用の立片を設けて成形することはかなり
難しい技術である。また、溶着固定された後の仕上がり
において突起が中空板の表面板を押し上げるように超音
波溶融するため表面板に溶融痕跡が浮かび出る等の問題
がある。However, it is difficult to perform ultrasonic bonding by approaching and contacting an adhesive piece provided on a surface plate of a hollow plate and a lid without providing an adhesive projection together. Are diffused and good welding is not performed. In addition, ultrasonic welding is slightly better when a bonding protrusion is provided on the bonding piece provided on the lid, but it is not possible to provide a bonding piece with a projection on the lid and mold it. It is a very difficult technique. In addition, since the projections are ultrasonically melted so that the protrusions push up the surface plate of the hollow plate in the finish after the welding and fixing, there is a problem that a trace of melting appears on the surface plate.

【０００６】従って、本発明の目的は、蓋体の成形が安
易であり、超音波溶着がスムースに行われ、溶融痕跡が
表面に現れない、更に、接着用突起による中空板の撓み
強度を向上させた中空板のシール構造を提供することで
ある。Accordingly, an object of the present invention is to easily form a lid, perform ultrasonic welding smoothly, do not show traces of melting on the surface, and further improve the bending strength of a hollow plate due to a projection for bonding. It is an object of the present invention to provide a hollow plate sealing structure.

【０００７】[0007]

【課題を解決するための手段】本発明は、中空板の端面
に蓋体を固定する中空板のシール構造において、中空板
の内面に接着用突起が形成され、蓋体の上記中空板との
接着側に接着立片が形成され、該接着立片が該中空板に
挿入されて該蓋体が該中空板の端面を封じし、少なくと
も該接着用突起と該接着立片を超音波溶着することによ
り蓋体の成形が安易であり、超音波溶着がスムーズに行
われ、溶融痕跡が表面板の表面に現れない、更に、接着
用突起により中空板の撓み強度が向上した中空板のシー
ル構造を提供したものである。According to the present invention, there is provided a seal structure of a hollow plate for fixing a lid to an end surface of a hollow plate, wherein an adhesive projection is formed on an inner surface of the hollow plate, and the lid is in contact with the hollow plate. A bonding piece is formed on the bonding side, the bonding piece is inserted into the hollow plate, the lid seals the end surface of the hollow plate, and at least the bonding protrusion and the bonding piece are ultrasonically welded. As a result, the lid is easily formed, the ultrasonic welding is performed smoothly, no trace of melting appears on the surface of the surface plate, and the sealing structure of the hollow plate is improved in the bending strength of the hollow plate by the adhesive projection. Is provided.

【０００８】以下、本発明に係る中空板のシール構造に
ついて詳述する。図１は、本発明に係る中空板のシール
構造の蓋体の一実施態様を示す図であり、図２は中空板
の断面を示す一実施態様図であり、図３は完成品を示す
一実施態様斜視図である。Hereinafter, the seal structure for a hollow plate according to the present invention will be described in detail. FIG. 1 is a view showing an embodiment of a lid having a seal structure for a hollow plate according to the present invention, FIG. 2 is an embodiment view showing a cross section of the hollow plate, and FIG. It is an embodiment perspective view.

【０００９】本発明に係る中空板のシール構造は、一般
に中空板１の内面に接着用突起６を形成し、接着立片７
を形成した蓋体２の該接着立片７を該中空板１に挿入
し、該中空板１の表面板３，３’および該接着立片７を
該接着用突起６を介して超音波接着して成る。In the seal structure for a hollow plate according to the present invention, generally, an adhesive projection 6 is formed on the inner surface of the hollow plate 1 and an adhesive piece 7 is formed.
Is inserted into the hollow plate 1 and the surface plates 3, 3 'of the hollow plate 1 and the adhesive stand 7 are ultrasonically bonded via the bonding projections 6. Consisting of

【００１０】本発明に係る中空板のシール構造の中空板
１は、表面板３．３’をリブ４で結合し、該表面板内面
に接着用突起６を設けた構造であり、押し出し成形など
で形成することが有用である。該接着用突起の形状、寸
法、数、などを特別に限定するものではないが、突起の
形状は四角・三角・台形・半円形であることが超音波溶
着のエネルギー伝達、溶着の開始、溶着のスピード等に
おいて好ましい。更に好ましくは、三角形・台形であ
る。また、突起の高さが５ｍｍ以下（０を含まず）、幅
が１０〜０．０１ｍｍであることが超音波溶着、溶着の
均一性等において好ましい。特に好ましくは、高さが２
ｍｍ以下（０を含まず）幅が５〜０．１ｍｍである。更
に、表面板の内面に補強用突起５を形成することが中空
板の撓み強度の増加に有効であり好ましい。The hollow plate 1 having a hollow plate sealing structure according to the present invention has a structure in which a surface plate 3.3 'is joined by a rib 4 and an adhesive projection 6 is provided on the inner surface of the surface plate. It is useful to form The shape, size, number, etc. of the bonding projections are not particularly limited, but the shapes of the projections are preferably square, triangular, trapezoidal, and semi-circular. It is preferable in terms of speed and the like. More preferably, it is a triangle / trapezoid. The height of the projection is preferably 5 mm or less (not including 0) and the width is preferably 10 to 0.01 mm in terms of ultrasonic welding, uniformity of welding, and the like. Particularly preferably, the height is 2
mm or less (not including 0) and a width of 5 to 0.1 mm. Further, forming the reinforcing projections 5 on the inner surface of the surface plate is effective for increasing the bending strength of the hollow plate, which is preferable.

【００１１】また、蓋体２は、蓋板部に接着立片７を付
帯した構造である。該接着立片７の形状、寸法、数、な
どを限定するものではないが、該接着立片７は蓋板部に
ほぼ垂直に立つロ字型、コ字型、エ字型であってもよ
く、また、中空板の表面板に接する面がほぼ平坦な溶着
面９又は、接着用突起６と交叉する突起・線状突起を有
する溶着面９を有することが好ましい。更に好ましく
は、中空板への接着立片の挿入を容易にするため接着立
片の先端部の溶着面側にテーパー面１０を形成すること
である。The lid 2 has a structure in which an adhesive piece 7 is attached to a lid plate. The shape, size, number, etc. of the adhesive strips 7 are not limited, but the adhesive strips 7 may be rectangular, U-shaped, or D-shaped that stand substantially perpendicular to the cover plate. Further, it is preferable to have a welding surface 9 having a substantially flat surface in contact with the surface plate of the hollow plate, or a welding surface 9 having projections and linear projections crossing the bonding projections 6. More preferably, a tapered surface 10 is formed on the welding surface side of the tip of the adhesive piece to facilitate the insertion of the adhesive piece into the hollow plate.

【００１２】また、超音波溶着は特に限定するものでは
なく、一般的な超音波溶着装置（図示せず）を用いて表
面板外面より超音波溶着すればよい。The ultrasonic welding is not particularly limited, and may be performed by ultrasonic welding from the outer surface of the surface plate using a general ultrasonic welding device (not shown).

【００１３】[0013]

【実施例】以下、本発明に係る中空板のシール構造の実
施例を説明する。尚、本発明に係る中空板のシール構造
は以下の実施例に限られるものではない。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a hollow plate sealing structure according to the present invention will be described below. In addition, the sealing structure of the hollow plate according to the present invention is not limited to the following embodiments.

【００１４】（実施例１）押出成形用金型を用いて、塩
化ビニル樹脂を押出成形し、表面板３、３’（板厚１ｍ
ｍ）、該表面板を結合するリブ４、該表面板の内面に補
強用突起５、該表面板の内面で蓋体２の接着立片７に対
応する位置に接着用突起６（高さ０．５ｍｍ、幅１ｍ
ｍ、三角形山形線状）を連続的に有する中空板１を製作
した。長さは約１ｍにカットした。(Example 1) A vinyl chloride resin was extruded using a die for extrusion molding, and the surface plates 3, 3 '(plate thickness 1 m
m), ribs 4 for connecting the surface plate, reinforcing protrusions 5 on the inner surface of the surface plate, and bonding protrusions 6 (height 0) at positions on the inner surface of the surface plate corresponding to the adhesive pieces 7 of the lid 2. .5mm, width 1m
m, a triangular chevron linear shape). The length was cut to about 1 m.

【００１５】射出成形用金型を用いて、ＡＢＳ樹脂を射
出成形し、蓋板部、蓋板部にほぼ垂直な接着立片７（ロ
字型中空、高さ約１５ｍｍ、先端にテーパー面１０付
き、溶着面９が平坦面）、中空板１の表面板３、３’の
内面と接する補強用立片８を有する蓋体２を製作した。An ABS resin is injection-molded using an injection mold, and a lid plate portion, a vertical adhesive piece 7 (vertical hollow, approximately 15 mm in height, a tapered surface 10 (The welding surface 9 is a flat surface), and the lid 2 having the reinforcing pieces 8 in contact with the inner surfaces of the surface plates 3 and 3 'of the hollow plate 1 was manufactured.

【００１６】次いで、接着立片７を中空板１の内面に挿
入し（接着用突起６と接着立片７が嵌合状態、補強用立
片８が中空板１の内面に挿入状態）、中空板１の端面を
蓋体２で仮封じした。Next, the adhesive piece 7 is inserted into the inner surface of the hollow plate 1 (the adhesive projection 6 and the adhesive piece 7 are fitted, and the reinforcing piece 8 is inserted into the inner surface of the hollow plate 1). The end face of the plate 1 was temporarily sealed with the lid 2.

【００１７】更に、中空板１の表面板３、３’の外側か
ら超音波のホーンを押圧接触させ（図示せず）超音波溶
着させ接着用突起６と接着立片７を溶融固着させ中空板
のシール構造を形成した。溶融固着面は該接着用突起が
該接着立片に食い込むように溶融固着していて、表面板
３、３’内面とも一部溶融固着していた。Further, an ultrasonic horn is pressed into contact with the outside of the surface plates 3 and 3 'of the hollow plate 1 (not shown) to perform ultrasonic welding to melt and fix the bonding projections 6 and the bonding pieces 7 to form the hollow plate. Was formed. The melt-fixed surface was melt-fixed so that the bonding projections cut into the adhesive pieces, and was partially melt-fixed to the inner surfaces of the surface plates 3 and 3 '.

【００１８】この様に形成された中空板のシール構造
は、超音波溶着がスムースに行われ、表面に溶融痕跡が
現れなく、撓み強度が向上した中空板のシール構造であ
った。The thus-formed hollow plate seal structure was a hollow plate seal structure in which ultrasonic welding was smoothly performed, no trace of melting appeared on the surface, and the bending strength was improved.

【００１９】[0019]

【発明の効果】本発明に係る中空板のシール構造は、中
空板の内面に両面の表面板を結ぶリブ、中空板の補強用
突起および接着用突起を形成しているために長尺の中空
板の撓み、反りなどに対する強度が大きい。特に接着用
突起を設けた事による強度の向上効果が大きい。また蓋
体の溶着面が平坦でよく蓋体の製作が安易となる。ま
た、超音波溶着固定後の表面板に溶融痕跡がなく仕上が
りが良い。この様な中空板は棚板として有用であり、下
駄箱、厨房棚等に用いるのに適している。According to the seal structure for a hollow plate according to the present invention, the ribs connecting the front and rear surfaces of the hollow plate, the reinforcing protrusions and the bonding protrusions of the hollow plate are formed on the inner surface of the hollow plate, and thus the hollow structure is long. High strength against bending and warping of the plate. In particular, the effect of improving the strength due to the provision of the bonding projection is large. In addition, the welding surface of the lid is flat and the production of the lid is easy. In addition, the surface plate after ultrasonic welding and fixing has no trace of melting, and the finish is good. Such a hollow plate is useful as a shelf plate and is suitable for use in a shoe box, a kitchen shelf, or the like.

【００２０】[0020]

【図面の簡単な説明】[Brief description of the drawings]

【図１】（ａ）、（ｂ）及び（ｃ）は本発明に係る中空
板のシール構造の蓋体の一実施態様を示す（ａ）上面
図、（ｂ）側面図、（ｃ）上面図のＡ−Ａ’断面視図で
ある。1 (a), 1 (b) and 1 (c) show one embodiment of a lid having a sealing structure for a hollow plate according to the present invention, wherein (a) is a top view, (b) is a side view, and (c) is a top view. It is AA 'sectional drawing of the figure.

【図２】本発明に係る中空板のシール構造の中空板の一
実施態様を示すＢ−Ｂ’断面図である。FIG. 2 is a cross-sectional view taken along the line BB 'showing one embodiment of the hollow plate having the hollow plate sealing structure according to the present invention.

【図３】本発明に係る中空板のシール構造の一実施態様
を示す完成品斜視図である。FIG. 3 is a perspective view of a completed product showing one embodiment of a hollow plate sealing structure according to the present invention.

【００２１】[0021]

【符号の説明】[Explanation of symbols]

１ 中空板 ２ 蓋体 ３、３’表面板 ４ リブ ５ 補強用突起 ６ 接着用突起 ７ 接着立片 ８ 補強用立片 ９ 溶着面 １０ テーパー面 DESCRIPTION OF SYMBOLS 1 Hollow plate 2 Lid 3, 3 'surface plate 4 Rib 5 Reinforcement protrusion 6 Adhesion protrusion 7 Adhesion piece 8 Reinforcement piece 9 Welding surface 10 Tapered surface

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】中空板の端面に蓋体を固定する中空板のシ
ール構造において、 中空板の内面に接着用突起が形成され、 蓋体の上記中空板との接着側に接着立片が形成され、 該接着立片が該中空板に挿入されて該蓋体が該中空板の
端面を封じし、 少なくとも該接着用突起と該接着立片を超音波溶着した
ことを特徴とする中空板のシール構造。1. A sealing structure of a hollow plate for fixing a lid to an end surface of a hollow plate, wherein an adhesive projection is formed on an inner surface of the hollow plate, and an adhesive piece is formed on a side of the lid which is bonded to the hollow plate. The adhesive plate is inserted into the hollow plate, the lid seals the end surface of the hollow plate, and at least the bonding protrusion and the adhesive plate are ultrasonically welded. Seal structure. 【請求項２】 中空板の内面に補強用突起が形成されて
いることを特徴とする請求項１に記載の中空板のシール
構造。2. The hollow plate sealing structure according to claim 1, wherein a reinforcing projection is formed on an inner surface of the hollow plate.
JP8252204A 1996-09-04 1996-09-04 Sealed structure of hollow plate Pending JPH1076574A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8252204A JPH1076574A (en) 1996-09-04 1996-09-04 Sealed structure of hollow plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8252204A JPH1076574A (en) 1996-09-04 1996-09-04 Sealed structure of hollow plate

Publications (1)

Publication Number Publication Date
JPH1076574A true JPH1076574A (en) 1998-03-24

Family

ID=17233955

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8252204A Pending JPH1076574A (en) 1996-09-04 1996-09-04 Sealed structure of hollow plate

Country Status (1)

Country Link
JP (1) JPH1076574A (en)

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