JPS5555834A - Method for obtaining molding from bridge forming ethylene foam polymer sheet - Google Patents

Method for obtaining molding from bridge forming ethylene foam polymer sheet

Info

Publication number
JPS5555834A
JPS5555834A JP12915678A JP12915678A JPS5555834A JP S5555834 A JPS5555834 A JP S5555834A JP 12915678 A JP12915678 A JP 12915678A JP 12915678 A JP12915678 A JP 12915678A JP S5555834 A JPS5555834 A JP S5555834A
Authority
JP
Japan
Prior art keywords
bridge forming
polymer sheet
metallic molds
couple
foam polymer
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
JP12915678A
Other languages
Japanese (ja)
Inventor
Masayasu Taneike
Kaoru Kitadono
Shoji Ishii
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.)
FUAKUTO KK
Sumitomo Chemical Co Ltd
Original Assignee
FUAKUTO KK
Sumitomo Chemical 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 FUAKUTO KK, Sumitomo Chemical Co Ltd filed Critical FUAKUTO KK
Priority to JP12915678A priority Critical patent/JPS5555834A/en
Publication of JPS5555834A publication Critical patent/JPS5555834A/en
Pending legal-status Critical Current

Links

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To make moldings with good dimensional stability and relatively complicated shape by inserting, pressurizing and heating a bridge forming ethylene foam polymer sheet having a specific range of gel percentage in one couple of metallic molds.
CONSTITUTION: A bridge forming ethylene foam polymer sheet 60W98% in mol percentage is inserted between a couple of metallic molds and heated at maximum temperatures of 130W220°C under pressurization. This method is available for molding of products more than 5mm thick and also for deep drawing more than 1/2 in rate. For example, a bridge forming sheet foam 90% in gel percentage, 10 times in expansion ratio and 10mm in thickness which is obtained from ethylene-vinyl acetate copolymer 1.5 in melt index and calcium carbonate (15wt%) is preheated at 80W100°C and inserted in a couple of metallic molds in the shape of bicycle saddle. After heating the metallic molds at 160°C for 15 minutes, the product is taken out.
COPYRIGHT: (C)1980,JPO&Japio
JP12915678A 1978-10-19 1978-10-19 Method for obtaining molding from bridge forming ethylene foam polymer sheet Pending JPS5555834A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12915678A JPS5555834A (en) 1978-10-19 1978-10-19 Method for obtaining molding from bridge forming ethylene foam polymer sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12915678A JPS5555834A (en) 1978-10-19 1978-10-19 Method for obtaining molding from bridge forming ethylene foam polymer sheet

Publications (1)

Publication Number Publication Date
JPS5555834A true JPS5555834A (en) 1980-04-24

Family

ID=15002517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12915678A Pending JPS5555834A (en) 1978-10-19 1978-10-19 Method for obtaining molding from bridge forming ethylene foam polymer sheet

Country Status (1)

Country Link
JP (1) JPS5555834A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146634A (en) * 1981-03-09 1982-09-10 Sanwa Kako Kk Reform-molding of thick and highly expanded cross-linked polyethylene
JPS6141402A (en) * 1984-08-02 1986-02-27 西田　成夫 Synthetic resin footwear and its production
EP0728660A1 (en) * 1995-02-22 1996-08-28 SELLE SAN MARCO DI GIRARDI COMM. LUIGI S.p.A. A bicycle sadlle and a method for its manufacture
JP2006273887A (en) * 2005-03-28 2006-10-12 Inoac Corp Method for producing crosslinked polyolefin open cell foam

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146634A (en) * 1981-03-09 1982-09-10 Sanwa Kako Kk Reform-molding of thick and highly expanded cross-linked polyethylene
JPS6141402A (en) * 1984-08-02 1986-02-27 西田　成夫 Synthetic resin footwear and its production
EP0728660A1 (en) * 1995-02-22 1996-08-28 SELLE SAN MARCO DI GIRARDI COMM. LUIGI S.p.A. A bicycle sadlle and a method for its manufacture
US5714108A (en) * 1995-02-22 1998-02-03 Selle San Marco Di Girardi Comm. Luigi S.P.A. Method of manufacturing a bicycle saddle
JP2006273887A (en) * 2005-03-28 2006-10-12 Inoac Corp Method for producing crosslinked polyolefin open cell foam

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