JPS54103474A - Heat setting of oriented hollow article - Google Patents
Heat setting of oriented hollow articleInfo
- Publication number
- JPS54103474A JPS54103474A JP1026778A JP1026778A JPS54103474A JP S54103474 A JPS54103474 A JP S54103474A JP 1026778 A JP1026778 A JP 1026778A JP 1026778 A JP1026778 A JP 1026778A JP S54103474 A JPS54103474 A JP S54103474A
- Authority
- JP
- Japan
- Prior art keywords
- bottle
- heat
- setting
- orientation
- internal pressure
- 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
Links
Abstract
PURPOSE: To prepare an oriented polyester bottle having high transparency and strength, and small deformation by filling with hot liquid, and free from dimensional changes by time, by heat-setting an oriented polyester bottle by selecting the heat- setting condition according to the orientation degree of specific position, while applying internal pressure to the bottle.
CONSTITUTION: An oriented bottle of a polyester (having an intrinsic viscosity of ≥ 0.50), e.g. polyethylene terephthalate, etc., is set by heating in a mold while applying internal pressure of ≥ 1 kg/cm2G, to the bottle. The heat-setting is carried out at a temperature T1 [(Tg+10)°C≤ T1 ≤ (Tg+50)°C] for 15 sec to 3 min at a low orientation part where the areal orientation degree (▵P) is ≥ 90 × 10-3; and at a temperature T2 [(Tg+60)°C≥ T2 ≥ 235°C; pref. (Tg+80)°C ≤ T2 200°C for ≥ 1 sec at a high orientation part where the areal orientation degree (▵P) is > 90 × 10-3. After the heat-setting, the low orientation part is cooled below (Tg+10)°C, and the high orientation is cooled below (Tg+ 60°C) while applying the internal pressure to the bottle.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1026778A JPS54103474A (en) | 1978-02-01 | 1978-02-01 | Heat setting of oriented hollow article |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1026778A JPS54103474A (en) | 1978-02-01 | 1978-02-01 | Heat setting of oriented hollow article |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54103474A true JPS54103474A (en) | 1979-08-14 |
Family
ID=11745531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1026778A Pending JPS54103474A (en) | 1978-02-01 | 1978-02-01 | Heat setting of oriented hollow article |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54103474A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5229042A (en) * | 1990-02-13 | 1993-07-20 | Sidel | Blow molding process for the manufacture of polyethylene terephthalate containers |
WO1994006617A1 (en) * | 1992-09-22 | 1994-03-31 | Pepsico, Inc. | Blow mold annealing and heat treating articles |
WO1994006618A1 (en) * | 1992-09-22 | 1994-03-31 | Pepsico, Inc. | Blow molding preform, process and apparatus |
US5308233A (en) * | 1992-05-20 | 1994-05-03 | Sidel | Thermal treatment unit for the manufacture of pet containers |
US5419866A (en) * | 1992-11-06 | 1995-05-30 | Pepsico Inc. | Process for heat treating thermoplastic containers |
-
1978
- 1978-02-01 JP JP1026778A patent/JPS54103474A/en active Pending
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5342558A (en) * | 1990-02-13 | 1994-08-30 | Sidel | Blow molding process for the manufacture of polyethylene terephthalate containers |
US5277574A (en) * | 1990-02-13 | 1994-01-11 | Sidel | Equipment for the manufacture of polyethylene terephtalate containers |
US5382157A (en) * | 1990-02-13 | 1995-01-17 | Sidel Sa | Equipment for the manufacture of polyethylene terephthalate containers |
US5229042A (en) * | 1990-02-13 | 1993-07-20 | Sidel | Blow molding process for the manufacture of polyethylene terephthalate containers |
US5334007A (en) * | 1990-02-13 | 1994-08-02 | Sidel | Equipment for the manufacture of polyethylene terephthalate containers |
US5338181A (en) * | 1990-02-13 | 1994-08-16 | Sidel | Equipment for the manufacture of polyethylene terephthalate containers |
US5308233A (en) * | 1992-05-20 | 1994-05-03 | Sidel | Thermal treatment unit for the manufacture of pet containers |
WO1994006618A1 (en) * | 1992-09-22 | 1994-03-31 | Pepsico, Inc. | Blow molding preform, process and apparatus |
WO1994006617A1 (en) * | 1992-09-22 | 1994-03-31 | Pepsico, Inc. | Blow mold annealing and heat treating articles |
US5411698A (en) * | 1992-09-22 | 1995-05-02 | Pepsico., Inc. | Process and apparatus for blow mold annealing and subsequently heat treating thermoplastic articles |
US5505612A (en) * | 1992-09-22 | 1996-04-09 | Pepsico Inc. | Appartus for blow mold annealing and heat treating thermoplastic articles |
US5547631A (en) * | 1992-09-22 | 1996-08-20 | Pepsico., Inc. | Process for annealing biaxially oriented hollow shaped thermoplastic atricles |
US5560943A (en) * | 1992-09-22 | 1996-10-01 | Pepsico., Inc. | Apparatus for annealing and blowing a thermoplastic biaxially oriented container |
US5660905A (en) * | 1992-09-22 | 1997-08-26 | Pepsico., Inc. | Preform and process and apparatus for annealing biaxially oriented hollow shaped thermoplastic articles |
US5419866A (en) * | 1992-11-06 | 1995-05-30 | Pepsico Inc. | Process for heat treating thermoplastic containers |
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