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KR910011426A - Thermal drawing method of polyester film sheet - Google Patents

Thermal drawing method of polyester film sheet Download PDF

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Publication number
KR910011426A
KR910011426A KR1019890019869A KR890019869A KR910011426A KR 910011426 A KR910011426 A KR 910011426A KR 1019890019869 A KR1019890019869 A KR 1019890019869A KR 890019869 A KR890019869 A KR 890019869A KR 910011426 A KR910011426 A KR 910011426A
Authority
KR
South Korea
Prior art keywords
film sheet
polyester film
heat treatment
drawing method
thermal drawing
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.)
Ceased
Application number
KR1019890019869A
Other languages
Korean (ko)
Inventor
김창윤
Original Assignee
하기주
주식회사 코오롱
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 하기주, 주식회사 코오롱 filed Critical 하기주
Priority to KR1019890019869A priority Critical patent/KR910011426A/en
Publication of KR910011426A publication Critical patent/KR910011426A/en
Ceased legal-status Critical Current

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

Abstract

내용 없음No content

Description

폴리에스테르 필름시이트으 열연신방법Thermal drawing method of polyester film sheet

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명의 방법을 설명하기 위한 도면.1 is a view for explaining the method of the present invention.

Claims (1)

폴리에스테르 필름시이트(1)을 통상의 텐터(Tenter)내의 예열부, 횡연신부, 열철리부를 거치면서 순차적으로 횡연신열처리함에 있어서; 예열부 및 열처리부에서는 고온열풍을 사용 열처리하고 횡연신부에서는 IR가열기(2)에 의한 간접가열방식에 의해필름시이트(1)의 주앙부가 가열온도를 135~138℃로 하며 가장 자리부위는 132~135℃로 차등가열하여 횡연신하는 것을 특징으로 하는 폴리에스테르 필름시이트이 연연신방법.In the transverse stretching and heat treatment of the polyester film sheet 1 sequentially through a preheating portion, a transverse stretching portion, and a hot-rolling portion in a conventional tenter; In the preheating section and the heat treatment section, high temperature hot air is used for heat treatment, and in the transverse drawing section, the central part of the film sheet 1 has a heating temperature of 135-138 ° C. by the indirect heating method by the IR heater 2, and the edge part is 132- A polyester film sheet is stretched and lateral stretched at 135 degreeC, and extending | stretching is characterized by the above-mentioned. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890019869A 1989-12-28 1989-12-28 Thermal drawing method of polyester film sheet Ceased KR910011426A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890019869A KR910011426A (en) 1989-12-28 1989-12-28 Thermal drawing method of polyester film sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890019869A KR910011426A (en) 1989-12-28 1989-12-28 Thermal drawing method of polyester film sheet

Publications (1)

Publication Number Publication Date
KR910011426A true KR910011426A (en) 1991-08-07

Family

ID=67662311

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890019869A Ceased KR910011426A (en) 1989-12-28 1989-12-28 Thermal drawing method of polyester film sheet

Country Status (1)

Country Link
KR (1) KR910011426A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9067619B2 (en) 2010-10-20 2015-06-30 Hwajin Co., Ltd. Steering wheel including heating element
US9119228B2 (en) 2010-10-20 2015-08-25 Hwajin Co., Ltd. Steering wheel including heating element
US9352767B2 (en) 2011-02-14 2016-05-31 Hwajin Co., Ltd. Method of applying electrically conductive heating element on surface of rim of steering wheel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9067619B2 (en) 2010-10-20 2015-06-30 Hwajin Co., Ltd. Steering wheel including heating element
US9119228B2 (en) 2010-10-20 2015-08-25 Hwajin Co., Ltd. Steering wheel including heating element
US9580099B2 (en) 2010-10-20 2017-02-28 Hwajin Co., Ltd. Method for forming a heating element for use with a steering wheel
US9352767B2 (en) 2011-02-14 2016-05-31 Hwajin Co., Ltd. Method of applying electrically conductive heating element on surface of rim of steering wheel

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19891228

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19930325

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19891228

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19960507

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19960621

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19960507

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I