JPS62191122A - Bonding of film to foamed resin material - Google Patents
Bonding of film to foamed resin materialInfo
- Publication number
- JPS62191122A JPS62191122A JP61034094A JP3409486A JPS62191122A JP S62191122 A JPS62191122 A JP S62191122A JP 61034094 A JP61034094 A JP 61034094A JP 3409486 A JP3409486 A JP 3409486A JP S62191122 A JPS62191122 A JP S62191122A
- Authority
- JP
- Japan
- Prior art keywords
- film
- foamed resin
- resin material
- temperature plate
- high temperature
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 48
- 229920005989 resin Polymers 0.000 title claims abstract description 47
- 239000011347 resin Substances 0.000 title claims abstract description 47
- 239000000853 adhesive Substances 0.000 claims abstract description 12
- 230000001070 adhesive effect Effects 0.000 claims abstract description 12
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 7
- 239000000057 synthetic resin Substances 0.000 claims abstract description 7
- -1 polypropylene Polymers 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 239000004743 Polypropylene Substances 0.000 abstract description 4
- 229920001155 polypropylene Polymers 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 4
- 239000004698 Polyethylene Substances 0.000 abstract description 3
- 229920000573 polyethylene Polymers 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 229920001169 thermoplastic Polymers 0.000 abstract description 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/0017—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor characterised by the choice of the material
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- 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
- B29C66/72—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 structure of the material of the parts to be joined
- B29C66/727—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 structure of the material of the parts to be joined being porous, e.g. foam
-
- 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
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/832—Reciprocating joining or pressing tools
- B29C66/8322—Joining or pressing tools reciprocating along one axis
-
- 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
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
- B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
（発明の技術分野）
本発明は発泡樹脂材へのフィルム接着方法に係り、発泡
樹脂材の表面に伸縮性を有する合成樹脂フィルムを当接
し、その上から高温プレートを押し当てて、該発泡樹脂
材を二次発泡させながら該フィルムをこれに接着するよ
うにしたものである。Detailed Description of the Invention (Technical Field of the Invention) The present invention relates to a method of adhering a film to a foamed resin material. The film is adhered to the foamed resin material by pressing it against it while secondary foaming the foamed resin material.
（発明の背景）
発泡スチロールなどの発泡樹脂材は、軽量で保温断熱性
にすぐれているなどの特長を有しており、こ６ため各種
容器等の種々の用途に多用されている。しかしながらこ
の種発泡樹脂材は、発泡率が高くなるほど強度が低下し
て破損しやすくなり、殊に表面がぼろぼろになりやすい
欠点があり、このため例えばアイスボックス等の容器は
発泡率を１０倍程度に抑えて形成し、その強度を確保す
るようになっていた。しかしながらこのように発泡率を
抑えると、重量が増加して携帯や運搬に不利となり、ま
た保温断熱性が低下し、更には原料費がかさむためコス
トアップとなる等の問題点があった。(Background of the Invention) Foamed resin materials such as expanded polystyrene have features such as being lightweight and having excellent heat and insulation properties, and are therefore widely used in various applications such as various containers. However, this type of foamed resin material has the disadvantage that the higher the foaming rate, the lower the strength and the more easily it is damaged, and the surface is particularly prone to becoming crumbly.For this reason, for example, containers such as ice boxes have a foaming rate of about 10 times. It was designed to maintain its strength by suppressing its formation. However, when the foaming rate is suppressed in this way, there are problems such as an increase in weight, which is disadvantageous for portability and transportation, a decrease in heat-insulating properties, and an increase in cost due to increased raw material costs.
（目的と概要）
本発明は上記事情に鑑みてなされたものであって、発泡
率を大巾に上げても、十分な強度を確保しうる発泡樹脂
材を製造できる方法を提供することを目的とする。この
ために本発明は、その下面に熱軟化性接着材が塗布され
たポリプロピレンやポリエチレンなどの伸縮性を有する
合成樹脂フィルムを発泡樹脂材の表面に当接し、該フィ
ルムの上面に例えば加熱された鉄板などの高温プレート
を押圧して、上記フィルムを上記発泡樹脂材の表面に接
着するようにしたものである。かかる方法によれば、高
温プレートをフィルム上面に押圧した際に、その熱は発
泡樹脂材の表面部分に伝達され、この熱により該表面部
分は二次発泡して上記接着材側へ向って膨張し、この膨
張力により接着材に強く密着させることができる。また
二次発泡により発泡樹脂材の表面を凹凸面となして、接
着材との接着面積を大きくして強固に接着させることも
できる。(Purpose and Summary) The present invention was made in view of the above circumstances, and an object of the present invention is to provide a method for manufacturing a foamed resin material that can ensure sufficient strength even when the foaming rate is significantly increased. shall be. For this purpose, in the present invention, a stretchable synthetic resin film such as polypropylene or polyethylene, whose lower surface is coated with a heat-softening adhesive, is brought into contact with the surface of the foamed resin material, and the upper surface of the film is heated, for example. The film is adhered to the surface of the foamed resin material by pressing a high temperature plate such as an iron plate. According to this method, when a high-temperature plate is pressed against the upper surface of the film, the heat is transferred to the surface portion of the foamed resin material, and the surface portion undergoes secondary foaming due to this heat and expands toward the adhesive material side. However, this expansion force makes it possible to strongly adhere to the adhesive. Further, by secondary foaming, the surface of the foamed resin material can be made into an uneven surface to increase the area of adhesion with the adhesive material, thereby achieving strong adhesion.
このようにしてその表面に伸縮性を有するフィルムが一
体的に接着された発泡樹脂材は、その発泡率がきわめて
大きいもの（例えば４０〜６０倍）であっても、その強
度はフィルムにより確保されるから破損しにくく、また
その表面がぼろぼろになることもない。また発泡樹脂材
の発泡率を大巾にあげることができるので、重量を軽減
するとともに保温断熱性を十分に確保でき、また原料を
節減できるので大巾なコストダウンを達成できる等の効
果を有する。In this way, even if the foamed resin material has a stretchable film integrally adhered to its surface and has an extremely high expansion rate (for example, 40 to 60 times), its strength is ensured by the film. Because it is durable, it is not easily damaged, and its surface will not become tattered. In addition, since the foaming rate of the foamed resin material can be greatly increased, weight can be reduced and sufficient heat-insulating properties can be ensured, and raw materials can be saved, resulting in significant cost reductions. .
（実施例） 次に図面を参照しながら本発明の詳細な説明を行う。(Example) Next, the present invention will be described in detail with reference to the drawings.
第１図において、１は板状の発泡樹脂材であり、この発
泡樹脂材１の発泡率は４０〜６０（６のかなり大きいも
のである。この発泡樹脂ＪｒＡ’ １は、大きな発泡樹
脂の塊体を板状に切断して形成されたものであり、その
表面は略平面状である。２は該発泡樹脂材１の表面に接
着されるフィルムであって、このフィルム２は例えばポ
リプロピレンやポリエチレンなどの十分な伸縮性を有す
る熱可塑性合成樹脂から成っており、その下面には熱軟
化性の接着材３が塗布されている。４は高温プレートで
あって、本実施例では鉄板４ａの内部に電熱ｖＡ４ｂを
内蔵して構成されている。フィルム２は、その下面を発
泡樹脂材ｌに当接し、その上面に高温プレート４を押圧
することにより、発泡樹脂材１の表面に接着される。こ
こで、例えばポリプロピレンがら成る発泡樹脂材の発泡
開始温度は約９０度程度であり、したがってフィルム２
を介して発泡樹脂材１に押接される高温プレート４の温
度は、これよりも高い１３０〜１５０度前後に保持され
る。このようにして高温プレート４をフィルム２に押圧
すると、発泡樹脂材１の表面部分１ａは伝熱により二次
発泡する。この二次発泡にともなう膨張力Ｐ（第１図部
分拡大図参照）は接着材３側へ作用し、この膨張力Ｐに
より発泡樹脂材１の表面は接着材３に強く押し付けられ
る。In Fig. 1, 1 is a plate-shaped foamed resin material, and the foaming rate of this foamed resin material 1 is 40 to 60 (6, which is quite high.This foamed resin JrA' 1 is a large block of foamed resin. It is formed by cutting a body into a plate shape, and its surface is approximately planar. 2 is a film adhered to the surface of the foamed resin material 1, and this film 2 is made of, for example, polypropylene or polyethylene. It is made of a thermoplastic synthetic resin having sufficient elasticity, and a heat-softening adhesive 3 is applied to the lower surface. 4 is a high temperature plate, and in this embodiment, the inside of the iron plate 4a is The film 2 has a built-in electric heating vA4b.The film 2 is adhered to the surface of the foamed resin material 1 by bringing its lower surface into contact with the foamed resin material 1 and pressing the high temperature plate 4 onto its upper surface. Here, for example, the foaming start temperature of a foamed resin material made of polypropylene is about 90 degrees, so the film 2
The temperature of the high-temperature plate 4 that is pressed against the foamed resin material 1 via is maintained at around 130 to 150 degrees higher than this. When the high temperature plate 4 is pressed against the film 2 in this manner, the surface portion 1a of the foamed resin material 1 undergoes secondary foaming due to heat transfer. Expansion force P (see the partially enlarged view in FIG. 1) accompanying this secondary foaming acts on the adhesive 3 side, and the surface of the foamed resin material 1 is strongly pressed against the adhesive 3 by this expansion force P.
また二次発泡のために発泡樹脂材ｌの表面は凹凸面とな
り、それだけ接着面積は大きくなるとともに、フィルム
２は該凹凸面に沿って密着する。高温プレート４をフィ
ルム２上面に十分に押圧したならば、次にこれを上昇さ
せてフィルム２上面から離す。すると半溶融状態の表面
部分１ａはフィルム２に一体的に接着された状態で固化
し、該フィルム２に強固に接着される。Further, due to the secondary foaming, the surface of the foamed resin material 1 becomes an uneven surface, the adhesion area increases accordingly, and the film 2 adheres closely along the uneven surface. After the high temperature plate 4 is sufficiently pressed against the upper surface of the film 2, it is then raised and separated from the upper surface of the film 2. Then, the semi-molten surface portion 1a solidifies while being integrally adhered to the film 2, and is firmly adhered to the film 2.
なお高温プレート４のフィルム２への押し付けは一気に
行うのが望ましく、かくすればフィルム２にしわがよる
のを防止できる。Note that it is desirable to press the high-temperature plate 4 against the film 2 all at once, so that the film 2 can be prevented from being wrinkled.
このようにしてフィルム２が接着された発泡樹脂材１の
強度は該フィルム２により確保されているから、第２図
に示すように屈曲しても破損しに＜＜、またその表面が
物理的な外力や太陽紫外線によりぼろぼろになることも
ない。このように発泡樹脂材１はフィルム２により十分
な強度を付与されるので、その発泡率が高いものでもよ
く、発泡率を上げることにより軽量化や保温断熱性の向
上、原料費の節減によるコストダウン等を図ることがで
きる。勿論フィルム２は、発泡樹脂体１の表裏両面に接
着してもよく、かくすれば強度は更に増す。Since the strength of the foamed resin material 1 to which the film 2 is bonded in this way is ensured by the film 2, it will not be damaged even if it is bent as shown in FIG. It will not become tattered by external forces or solar ultraviolet rays. In this way, the foamed resin material 1 is given sufficient strength by the film 2, so it may have a high foaming rate.By increasing the foaming rate, it can be made lighter, improve its heat retention and insulation properties, and reduce costs by reducing raw material costs. It is possible to aim for down etc. Of course, the film 2 may be adhered to both the front and back surfaces of the foamed resin body 1, thereby further increasing the strength.
（他の実施例）
第３図は本発明の他の実施例を示すものであって、５は
管状の発泡樹脂材であり、高温プレート・４上に配設さ
れたフィルム２上に押し付けながら転勤させることによ
り、その表面にフィル、′、２が接着される。このよう
にして形成された発泡樹脂材５も、上記第一実施例のも
のと同様の作用効果を有し、例えば第４図に示すように
これを屈曲さセてもきわめて破損しにくい。(Other Embodiments) FIG. 3 shows another embodiment of the present invention, in which 5 is a tubular foamed resin material, which is pressed onto the film 2 disposed on the high temperature plate 4. By transferring, fill,',2 is adhered to the surface. The foamed resin material 5 thus formed also has the same effects as those of the first embodiment, and is extremely difficult to break even when it is bent as shown in FIG. 4, for example.
（発明の効果）
以上説明したように本発明に係る発泡樹脂材へのフィル
ム接着方法は、その下面に熱軟化性接着材３が塗布され
た伸縮性を有する合成樹脂フィルム２を発泡樹脂材１の
表面に当接し、該フィルム２の上面に高温プレート４を
押圧するようにしているので、フィルム２を発泡樹脂材
１の表面にこれと一体的に強固に接着して発泡樹脂材１
の強度を補強でき、発泡樹脂材１の発泡率を大巾にあげ
てもきわめて破損しにくい。(Effects of the Invention) As explained above, the method of adhering a film to a foamed resin material according to the present invention is to attach a stretchable synthetic resin film 2 coated with a thermosetting adhesive 3 to the lower surface of the foamed resin material 1. Since the high-temperature plate 4 is pressed against the upper surface of the film 2, the film 2 is integrally and firmly adhered to the surface of the foamed resin material 1, and the foamed resin material 1
The strength of the foamed resin material 1 can be reinforced, and even if the foaming rate of the foamed resin material 1 is greatly increased, it is extremely difficult to break.
また発泡樹脂材１の軽量化と保温断熱性を向上でき、ま
た原料費の節減によるコストダウンも達成できるもので
あり、更にはフィルム２により汚れにくく審美性にすく
れ、また食物などのにおいもしみこみにくい等の種々の
効果がある。In addition, it is possible to reduce the weight of the foamed resin material 1 and improve its heat-insulating properties, and it is also possible to reduce costs by reducing raw material costs.Furthermore, the film 2 is resistant to stains, is aesthetically pleasing, and is free from odors such as food. It has various effects such as being less likely to seep into it.
図は本発明の実施例を示すものであって、第１図は作業
中の側面図、第２図は発泡樹脂材の側面図、第３図およ
び第４図は他の実施例の側面図である。
１．５・・・発泡樹脂材
２・・・合成樹脂フィルム
３・・・熱軟化性接着材
４・・・高温プレートThe drawings show an embodiment of the present invention, in which Fig. 1 is a side view during work, Fig. 2 is a side view of the foamed resin material, and Figs. 3 and 4 are side views of other embodiments. It is. 1.5... Foamed resin material 2... Synthetic resin film 3... Heat softening adhesive 4... High temperature plate
Claims (1)
合成樹脂フィルムを発泡樹脂材の表面に当接し、該フィ
ルムの上面に高温プレートを押圧するようにしたことを
特徴とする発泡樹脂材へのフィルム接着方法。A foamed resin material, characterized in that a stretchable synthetic resin film whose lower surface is coated with a heat-softening adhesive is brought into contact with the surface of the foamed resin material, and a high temperature plate is pressed against the upper surface of the film. How to attach film to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61034094A JPS62191122A (en) | 1986-02-19 | 1986-02-19 | Bonding of film to foamed resin material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61034094A JPS62191122A (en) | 1986-02-19 | 1986-02-19 | Bonding of film to foamed resin material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62191122A true JPS62191122A (en) | 1987-08-21 |
Family
ID=12404684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61034094A Pending JPS62191122A (en) | 1986-02-19 | 1986-02-19 | Bonding of film to foamed resin material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62191122A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013061097A (en) * | 2011-09-12 | 2013-04-04 | Kamimura Kogyo:Kk | Fan structure of fan filter unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS501901A (en) * | 1973-03-23 | 1975-01-10 | ||
| JPS5896518A (en) * | 1981-12-02 | 1983-06-08 | Sekisui Plastics Co Ltd | Method of bonding thermoplastic resin foamed body and film |
| JPS58116126A (en) * | 1981-12-29 | 1983-07-11 | Matsushita Electric Works Ltd | Manufacture of panel |
-
1986
- 1986-02-19 JP JP61034094A patent/JPS62191122A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS501901A (en) * | 1973-03-23 | 1975-01-10 | ||
| JPS5896518A (en) * | 1981-12-02 | 1983-06-08 | Sekisui Plastics Co Ltd | Method of bonding thermoplastic resin foamed body and film |
| JPS58116126A (en) * | 1981-12-29 | 1983-07-11 | Matsushita Electric Works Ltd | Manufacture of panel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013061097A (en) * | 2011-09-12 | 2013-04-04 | Kamimura Kogyo:Kk | Fan structure of fan filter unit |
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