JPH0243617B2 - - Google Patents

Info

Publication number
JPH0243617B2
JPH0243617B2 JP57053779A JP5377982A JPH0243617B2 JP H0243617 B2 JPH0243617 B2 JP H0243617B2 JP 57053779 A JP57053779 A JP 57053779A JP 5377982 A JP5377982 A JP 5377982A JP H0243617 B2 JPH0243617 B2 JP H0243617B2
Authority
JP
Japan
Prior art keywords
foam board
synthetic resin
heating wire
resin foam
support frame
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.)
Expired - Lifetime
Application number
JP57053779A
Other languages
English (en)
Other versions
JPS58171926A (ja
Inventor
Tokiji Imamura
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.)
Mitsubishi Chemical BASF Co Ltd
Original Assignee
Mitsubishi Yuka Badische Co Ltd
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 Mitsubishi Yuka Badische Co Ltd filed Critical Mitsubishi Yuka Badische Co Ltd
Priority to JP57053779A priority Critical patent/JPS58171926A/ja
Publication of JPS58171926A publication Critical patent/JPS58171926A/ja
Publication of JPH0243617B2 publication Critical patent/JPH0243617B2/ja
Granted 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
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/221—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip
    • B29C65/222—Heated wire resistive ribbon, resistive band or resistive strip characterised by the type of heated wire, resistive ribbon, band or strip comprising at least a single heated wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/06—Grooving involving removal of material from the surface of the work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/08—Making a superficial cut in the surface of the work without removal of material, e.g. scoring, incising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/06—Severing by using heat
    • B26F3/08—Severing by using heat with heated members
    • B26F3/12—Severing by using heat with heated members with heated wires
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/228—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for electrically connecting the ends of said heated wire, resistive ribbon, resistive band or resistive strip
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/22—Heated wire resistive ribbon, resistive band or resistive strip
    • B29C65/229—Heated wire resistive ribbon, resistive band or resistive strip characterised by the means for tensioning said heated wire, resistive ribbon, resistive band or resistive strip
    • 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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • B29C66/81812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws the welding jaws being cooled from the outside, e.g. by blowing a gas or spraying a liquid
    • 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
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8182—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
    • B29C66/81821—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/547—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member
    • B26D1/553—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a wire-like cutting member with a plurality of wire-like cutting members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/08—Means for treating work or cutting member to facilitate cutting
    • B26D7/10—Means for treating work or cutting member to facilitate cutting by heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Description

【発明の詳細な説明】 本発明は圧縮性を具備した断熱材、特に住宅用
断熱材として好適な溝付き発泡板の製造方法に関
する。
発泡ポリスチレンや発泡ポリエチレン等の合成
樹脂発泡体により作られた板状断熱材は、比重が
小さいわりに剛性の大きいことが特長であるが、
この剛性が大きいことのために、住宅の壁面や床
下面等に断熱施行する場合、施行時における寸法
上の差によつて正しく挿着することが困難になる
とか、断熱材を挿着した部分に隙間ができて断熱
効果を低下させるといつた問題がある。
このような問題を解決した断熱材として、圧縮
方向と交叉する方向に沿わせて多数の溝を板面に
設け、圧縮性を付与した溝付き発泡板が知られて
いるが、この溝付き発泡板を製造する場合には次
に述べるように重要な問題がある。
一般に、発泡体を切断する作業にはニクロム線
等の電熱線を利用する方法が知られているが、本
発明の対象としている溝付き発泡板を製造するに
は、発泡板の少なくとも片面側に板厚の1/2〜4/5
の深さで幅が0.3〜2.0mm程度の溝を多数同時に設
ける関係上、電熱線による公知の切断方法をその
まま本発明に適用することはできない。即ち、板
面に上記のような溝を形成する場合には、発熱し
た電熱線によつて所要の深さに溝を形成したら、
この電熱線を引上げて板面から離間させる必要が
ある。この電熱線の引上げ時に、該電熱線により
加熱された発泡板は湾曲し、この湾曲によつて発
泡板は正規の部分をも溶断されてしまうといつた
不具合いを生ずるし、また、発熱している電熱線
は伸び易く、この電熱線が発泡板に接して発泡板
の溶断が開始すると、発泡板はその両縁端部側に
較べ中間部分は遅れて溶断されるため、両縁端部
側の加熱時間が長くなることは避けられず、加え
て電熱線自体も中間部分より両端部分が高温であ
るから、発泡板の中間部分が所定の深さに溶断し
終る時点では両縁端部側の溶断が更に進行してし
まい、該部分の溝底が不当に幅広く形成される不
具合いを生ずる。そのため、製品は溝の形状が全
長にわたつて均一化できず、断熱材として用いた
場合に外観が悪くなるし、所要の断熱性能を得る
こともできないおそれがある。
そこで、本発明はこのような問題を全面的に解
消し、所望の安定した溝を常に正しく形成できる
新規な溝付き発泡板の製造方法を提供しようとす
るものであつて、その技術的要件とするところは
合成樹脂発泡板上に該発泡板と交叉するように配
置された電熱線を用い、この電熱線を発熱させて
合成樹脂発泡板に押しあて、合成樹脂発泡板に溝
を形成する段階において、合成樹脂発泡板の両縁
端より食み出た電熱線の部分を冷却し、かつ、合
成樹脂発泡板に対する電熱線の押しあて開始から
合成樹脂発泡板より電熱線の後退が完了するまで
の間電熱線の押しあて側より合成樹脂発泡板を押
圧して溝付き発泡板を製造することにある。この
製造方法によれば、合成樹脂発泡板の湾曲するこ
と、及び形成される溝の両端部分が必要以上に加
熱されることを完全に防止できて、第１図に示す
如く全深さ又は全長にわたつて溝ａの幅が均一に
形成され、断熱性能の良好な溝付き発泡板Ｐを製
造することが可能となる。
次に、本発明製造方法を実施するために用いる
装置について説明する。
受台１上に被加工物の支持台２を取付け、受台
１の左右両縁部に固定して支柱３，３には調節環
４，４を嵌装し、この調節環４，４を摺動させて
後述する支持枠の降下位置を規制する。調節環
４，４は止めビス５，５によつてその調節位置に
固定される。
支持枠６は、その左右両縁部に設けた嵌合部
７，７を支柱３，３に嵌装することによつて該支
柱３，３に昇降自在に取付けてあり、前述したよ
うに嵌合部７，７の下部が調節環４，４を突き当
つて停止する。支持枠６内には電熱線８を水平状
態に横架し、図示省略したが、この電熱線８は支
持枠６の奥行き方向に間隔を置いて平行に多数本
横架されており、各電熱線８の両端はそれぞれ共
通した電極９，９に接続され、その延長部分は絶
縁体１０，１０を介して支持杆１１，１１に連結
されている。
支持杆１１，１１は支持枠６上に固定した案内
金具１２，１２を貫通して突出し、この案内金具
１２，１２と支持杆１１，１１上にビス１３，１
３止めした止め金具１４，１４との間にコイルス
プリング１５，１５を嵌装して、電熱線８に常時
張力を働かしている。また、支持枠６にはコイル
スプリング１６，１６の作用下に置かれた押圧杆
１７，１７を昇降自在に吊設してあり、この押圧
杆１７，１７は下端部が常時は電熱線８の若干下
側に位置するよう設定されており、各下端部には
押圧盤１７ａ，１７ｂを取付けてある。更に、支
持枠６内には、支持台２の左右両端部近くに位置
させて電熱線８に冷却空気を噴射するための噴射
管１８，１８を配置してある。
なお、図示説明は省略したが、支持枠６は通常
の昇降機構により昇降動作し、その昇降位置で自
動的に停止できる手段が採用され、また、電熱線
８の通電及び噴射管１８，１８からの冷却用空気
噴射も支持枠６の昇降動作に同調させる通常の制
御手段が採用される。
上記の如く構成されている装置により本発明製
造方法を実施するには、先ず、第２図に示す如く
支持台２上に被加工板である合成樹脂発泡板P′を
載置し、支持枠６を降下させる。支持枠６の降下
により電熱線８が合成樹脂発泡板に押しあたる
と、押圧盤１７ａ，１７ａも合成樹脂発泡板P′上
に当接し、合成樹脂発泡板P′押圧する。この動作
時に電熱線８は通電により発熱し、また噴射管１
８，１８より冷却用空気が噴射される。この状態
で支持枠６が降下すると、電熱線８によつて合成
樹脂発泡板P′は溶断されて溝を形成できることに
なる。次いで、第３図に示す位置で支持枠６を停
止させ、支持枠６を直ちに上昇させて合成樹脂発
泡板P′より後退させれば、所望の深さの溝を合成
樹脂発泡板P′に形成できる。この溝加工時に合成
樹脂発泡板P′は押圧作用下に置かれているため、
電熱線８の後退時に湾曲することが防止され、ま
た、合成樹脂発泡板P′の左右両縁端部より食み出
た電熱線８の部分８ａは冷却下に置かれているた
め、合成樹脂発泡板P′の左右両縁端部側が中間部
分より過剰に加熱されるといつた不具合いも解消
され、合成樹脂発泡板P′に形成された溝の形状は
全長にわたつて安定し、溝の横幅がテーパー状に
拡がつて形成されるとか、溝の底部両端部側が中
間部分より不当に幅広く形成されるといつた変形
部分の全く生じない溝付き発泡板を製造できた。
本発明は上記の如くであつて、溝の全深さ又は
全長にわたつて横幅が安定し、断熱性能を低下さ
せない溝付き発泡板を簡単に製造できる利点があ
り、その製造装置も容易に提供できる点と相俟つ
て、実用的価値は極めて多大である。
なお、図示説明は省略したが、電熱線８の支持
手段としては剛性及び断熱性等を有する支持体
（例えばフツソ樹脂製）を昇降自在に設け、この
支持体の下端に電熱線８を直接張設してもよく、
この場合、支持体の肉厚は電熱線８の外径とほぼ
同一であることが望ましい。
【図面の簡単な説明】
第１図は本発明製造方法により得られた溝付き
発泡板の斜視図、第２図及び第３図は本発明製造
方法を実施するために用いる装置の正面図であつ
て、第２図は作動前の図、第３図は作動中の図で
ある。

Claims (1)

    【特許請求の範囲】
  1. １ 合成樹脂発泡板上に該発泡板と交叉するよう
    に配置された電熱線を用い、この電熱線を発熱さ
    せて合成樹脂発泡板に押しあて、合成樹脂発泡板
    に溝を形成する段階において、合成樹脂発泡板の
    両縁端より食み出た電熱線の部分を冷却し、か
    つ、合成樹脂発泡板に対する電熱線の押しあて開
    始から合成樹脂発泡板より電熱線の後退が完了す
    るまでの間電熱線の押しあて側より合成樹脂発泡
    板を押圧することを特徴とする溝付き発泡板の製
    造方法。
JP57053779A 1982-04-02 1982-04-02 溝付き発泡板の製造方法 Granted JPS58171926A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57053779A JPS58171926A (ja) 1982-04-02 1982-04-02 溝付き発泡板の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57053779A JPS58171926A (ja) 1982-04-02 1982-04-02 溝付き発泡板の製造方法

Publications (2)

Publication Number Publication Date
JPS58171926A JPS58171926A (ja) 1983-10-08
JPH0243617B2 true JPH0243617B2 (ja) 1990-10-01

Family

ID=12952294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57053779A Granted JPS58171926A (ja) 1982-04-02 1982-04-02 溝付き発泡板の製造方法

Country Status (1)

Country Link
JP (1) JPS58171926A (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2917882B1 (fr) * 2007-06-21 2009-11-27 Renault Sas Materiau absorbant comportant des cavites a peau resistive et procede pour la fabrication d'un tel materiau
CN108972673B (zh) * 2018-06-06 2021-02-02 中国科学院上海光学精密机械研究所 大口径沥青抛光模方格槽的开槽装置及开槽方法
CN112549140B (zh) * 2020-12-02 2023-01-10 辽宁江丰保温材料有限公司 一种高韧性pe管及其加工方法与加工系统

Also Published As

Publication number Publication date
JPS58171926A (ja) 1983-10-08

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