Process forming and dimensionally stabilizing shaped laminate.
Abstract
A process for forming a shaped laminate for use in a safety glazing such as a vehicle window or the like which comprises lightly bonding at least one flexible, transparent, thermoplastic carrier layer having one or more adherent functional performance layers or coatings on its surface to at least one layer of plasticized polyvinyl butyral to form a premolding composite, stretching the composite to impart compound curvature thereto and form a shaped, shrinkable laminate, subjecting the shaped laminate to elevated temperature while constraining its edges to relieve stresses in the carrier layer, and cooling the shaped laminate while maintaining its edges constrained. Also a method of dimensionally stabilizing a transparent, shrinkable thermoplastic layer, such as polyethylene terephthalate, in a draw-formed laminate with plasticized polyvinyl butyral which comprises heat setting the thermoplastic layer.
Term
Term ended
Projected expiry passed 7 June 2011, 15.3 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
19 members in 13 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 53925190 | United States of America | A | |
| 53925690 | United States of America | A | |
| 9104033 | United States of America | W |
Members19
| Document | Office | Kind | |
|---|---|---|---|
| US5069734A | United States of America | A | |
| CA2084662A1 | Canada | A1 | |
| WO9119586A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU8056191A | Australia | A | |
| EP0535128A1 | European Patent Office (EPO) | A1 | |
| BR9106568A | Brazil | A | |
| KR930701289A | Republic of Korea | A | |
| MX171196B | Mexico | B | |
| JPH05507661A | Japan | A | |
| AU644191B2 | Australia | B2 | |
| EP0535128B1 | European Patent Office (EPO) | B1 | |
| AT101559T | Austria | T | |
| ATE101559T1This record | Austria | T1 | |
| DE69101221D1 | Germany | D1 | |
| ES2050056T3 | Spain | T3 | |
| DK0535128T3 | Denmark | T3 | |
| DE69101221T2 | Germany | T2 | |
| KR950012799B1 | Republic of Korea | B1 | |
| US5529654A | United States of America | A |
2 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Ceased due to non-payment of the annual feeCeasedREN | REN | |
| Publication of translation of european patent specificationUEP | UEP |
Numbers
- Application
- 91912199
Titles2
- German
- VERFAHREN ZUM FORMEN UND ZUM STABILISIEREN DER DIMENSION DES GEFORMTEN LAMINATES.
- English
- METHOD FOR SHAPING AND STABILIZING THE DIMENSION OF THE SHAPED LAMINATE.
Classification
- CPC, 12
- B60J1/02
- B29C51/36
- B29C55/023
- B29C71/02
- B29K2029/00
- B29K2067/00
- B32B17/10036
- B32B17/10761
- B32B17/10871
- B32B17/10889
- B32B17/10981
- B32B27/36
- IPC, 10
- B29C61 02
- B29C51 36
- B29C55 02
- B29C71 02
- B32B17 10
- B32B27 30
- B32B27 36
- B32B37 06
- B32B38 00
- B60J1 02