JPS5587532A - Production of synthetic resin band for heavy package - Google Patents

Production of synthetic resin band for heavy package

Info

Publication number
JPS5587532A
JPS5587532A JP16193478A JP16193478A JPS5587532A JP S5587532 A JPS5587532 A JP S5587532A JP 16193478 A JP16193478 A JP 16193478A JP 16193478 A JP16193478 A JP 16193478A JP S5587532 A JPS5587532 A JP S5587532A
Authority
JP
Japan
Prior art keywords
band
rolls
blank
factor
preheated
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.)
Granted
Application number
JP16193478A
Other languages
Japanese (ja)
Other versions
JPS5842012B2 (en
Inventor
Keisuke Kume
Junji Niikura
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.)
Sekisui Jushi Corp
Original Assignee
Sekisui Jushi Corp
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 Sekisui Jushi Corp filed Critical Sekisui Jushi Corp
Priority to JP53161934A priority Critical patent/JPS5842012B2/en
Publication of JPS5587532A publication Critical patent/JPS5587532A/en
Publication of JPS5842012B2 publication Critical patent/JPS5842012B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

PURPOSE: To provide a titled material of high toughness and perfectly free of longitudinal cracks by a method wherein an extruded blank material consisting of polypropylene and a propylene/ethylene copolymer is cooled, preheated, and then rolled and simultaneously drawn to a specified deforming factor.
CONSTITUTION: A material consisting of polypropylene and a propylene/ethylene copolymer at a ratio of 1:2 is added with a filler such as calcium carbonate, charged from a hopper 2 into an extruder 1, heated to a temperature of about 22°C to melt, extruded through a metal die 3, and passed through a cooling tank 5 to obtain a blank band 4. The blank band 4 is passed from first take-up rolls 6 through a heating tank 7, where it is preheated to a temperature of 80W110°C, and biaxially rolled by a rolling mill 8 to form a band member 10. Simultaneously, the band 10 is taken up by second take-up rolls 9 and drawn to a drawing factor of more than 3, leading to a total deforming factor ranging from 2W5. Further, as needed, the bad band member 10 may be embossed by embossing rolls 11 to obtain the objective material.
COPYRIGHT: (C)1980,JPO&Japio
JP53161934A 1978-12-27 1978-12-27 Manufacturing method of synthetic resin band for heavy packaging Expired JPS5842012B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53161934A JPS5842012B2 (en) 1978-12-27 1978-12-27 Manufacturing method of synthetic resin band for heavy packaging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53161934A JPS5842012B2 (en) 1978-12-27 1978-12-27 Manufacturing method of synthetic resin band for heavy packaging

Publications (2)

Publication Number Publication Date
JPS5587532A true JPS5587532A (en) 1980-07-02
JPS5842012B2 JPS5842012B2 (en) 1983-09-16

Family

ID=15744806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53161934A Expired JPS5842012B2 (en) 1978-12-27 1978-12-27 Manufacturing method of synthetic resin band for heavy packaging

Country Status (1)

Country Link
JP (1) JPS5842012B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6445268A (en) * 1987-08-07 1989-02-17 Ube Nitto Kasei Co Plastic band for packing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5090645A (en) * 1973-12-14 1975-07-19
JPS5277180A (en) * 1975-12-23 1977-06-29 Nippon Petrochemicals Co Ltd Method of manufacturing highly elongated poly olefin film
JPS538675A (en) * 1976-07-13 1978-01-26 Nippon Petrochemicals Co Ltd Method for elongation of thermo plastic resin sheet or film
JPS5367781A (en) * 1976-11-29 1978-06-16 Sekisui Jushi Kk Production of thermoplastic resin band

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5090645A (en) * 1973-12-14 1975-07-19
JPS5277180A (en) * 1975-12-23 1977-06-29 Nippon Petrochemicals Co Ltd Method of manufacturing highly elongated poly olefin film
JPS538675A (en) * 1976-07-13 1978-01-26 Nippon Petrochemicals Co Ltd Method for elongation of thermo plastic resin sheet or film
JPS5367781A (en) * 1976-11-29 1978-06-16 Sekisui Jushi Kk Production of thermoplastic resin band

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6445268A (en) * 1987-08-07 1989-02-17 Ube Nitto Kasei Co Plastic band for packing

Also Published As

Publication number Publication date
JPS5842012B2 (en) 1983-09-16

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