KR890003514A - 폴리에스테르 필름시이트의 연신방법 - Google Patents
폴리에스테르 필름시이트의 연신방법 Download PDFInfo
- Publication number
- KR890003514A KR890003514A KR870009322A KR870009322A KR890003514A KR 890003514 A KR890003514 A KR 890003514A KR 870009322 A KR870009322 A KR 870009322A KR 870009322 A KR870009322 A KR 870009322A KR 890003514 A KR890003514 A KR 890003514A
- Authority
- KR
- South Korea
- Prior art keywords
- sheet
- polyester film
- film sheet
- stretching method
- stretching
- Prior art date
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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
-
- 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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
- B29C55/08—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (1)
- 폴리에스테르 필름시이트의 종연신공정에 있어서, 필름 시이트를 직접적으로 가열시키는 고열건조 공기노즐에 통과시키되 시이트의 중앙부위를 125 내지 140℃로 가열시키고, 시이트의 가장자리부위는 냉각공기를 공급하면서 120 내지 135℃의 온도로 차등가열시켜 줌으로서, 이들 온도차에 의하여 연신에 필요한 에너지가 얻어지도록 하여서 됨을 특징으로 하는 포리에스테르 필름시이트의 연신방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870009322A KR900006301B1 (ko) | 1987-08-26 | 1987-08-26 | 폴리에스테르필름시이트의 연신방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019870009322A KR900006301B1 (ko) | 1987-08-26 | 1987-08-26 | 폴리에스테르필름시이트의 연신방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890003514A true KR890003514A (ko) | 1989-04-15 |
KR900006301B1 KR900006301B1 (ko) | 1990-08-28 |
Family
ID=19263980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019870009322A KR900006301B1 (ko) | 1987-08-26 | 1987-08-26 | 폴리에스테르필름시이트의 연신방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900006301B1 (ko) |
-
1987
- 1987-08-26 KR KR1019870009322A patent/KR900006301B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900006301B1 (ko) | 1990-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
G160 | Decision to publish patent application | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 19950712 Year of fee payment: 6 |
|
LAPS | Lapse due to unpaid annual fee |