JPS5772827A - Production of thick plate of foamed plastic with low expansion ratio - Google Patents

Production of thick plate of foamed plastic with low expansion ratio

Info

Publication number
JPS5772827A
JPS5772827A JP9547280A JP9547280A JPS5772827A JP S5772827 A JPS5772827 A JP S5772827A JP 9547280 A JP9547280 A JP 9547280A JP 9547280 A JP9547280 A JP 9547280A JP S5772827 A JPS5772827 A JP S5772827A
Authority
JP
Japan
Prior art keywords
veneers
conductor
expansion ratio
foamed plastic
low expansion
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
JP9547280A
Other languages
Japanese (ja)
Inventor
Yoshinobu Yoshikawa
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.)
FUJIMOTO MASAZO
Kobunshi Giken KK
Original Assignee
FUJIMOTO MASAZO
Kobunshi Giken KK
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 FUJIMOTO MASAZO, Kobunshi Giken KK filed Critical FUJIMOTO MASAZO
Priority to JP9547280A priority Critical patent/JPS5772827A/en
Publication of JPS5772827A publication Critical patent/JPS5772827A/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
    • B29C66/70—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

Landscapes

  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To obtain a material excellent in resistance to weather, water, acids and alkalis, mechanical strength and the like at low cost by a method wherein a resin- coated electric conductor is inserted between veneers of a foamed plastic having a low expansion ratio, and the laminated parts of the veneers are integrally fusion bonded to each other under the heat generated by passing a current through the conductor.
CONSTITUTION: In order to produce a thick laminate of a uniform thickness of at least 10mm from veneers (2W4mm thick) of polyethylene or the like which is prepared by an extrusion foaming method and has a uniform foam distribution, a net of a resin-coated electric conductor is inserted between two or more veneers of the foamed plastic having a low expansion ratio, and the veneers are integrally fusion bonded to each other by the Joule heat generated by passing a current through the conductor while keeping the thickness thereof. By coating the net of the conductor with a synthetic resin, the lamination and integration of the veneers can be accomplished more securely and perfectly.
COPYRIGHT: (C)1982,JPO&Japio
JP9547280A 1980-07-11 1980-07-11 Production of thick plate of foamed plastic with low expansion ratio Pending JPS5772827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9547280A JPS5772827A (en) 1980-07-11 1980-07-11 Production of thick plate of foamed plastic with low expansion ratio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9547280A JPS5772827A (en) 1980-07-11 1980-07-11 Production of thick plate of foamed plastic with low expansion ratio

Publications (1)

Publication Number Publication Date
JPS5772827A true JPS5772827A (en) 1982-05-07

Family

ID=14138575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9547280A Pending JPS5772827A (en) 1980-07-11 1980-07-11 Production of thick plate of foamed plastic with low expansion ratio

Country Status (1)

Country Link
JP (1) JPS5772827A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100374364B1 (en) * 2000-11-28 2003-03-04 한국기계연구원 A drying and producing method of insulation panel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100374364B1 (en) * 2000-11-28 2003-03-04 한국기계연구원 A drying and producing method of insulation panel

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