Heat-shrinkable laminate tubular film
US4732795A · kind A · utility
49Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 1984 |
| Grant date | Mar 22, 1988 |
| Priority date | — |
| Expiry date | Nov 27, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/3192
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is a heat-shrinkable laminate tubular film comprising a gas-barrier layer of a copolymer of vinylidene chloride, outer layers of a polyolefin, at least one intermediate layer of a polyamide or a thermoplastic polyester both of which show a crystal melting point of not more than 240.degree. C. and have a specified thickness, and adhesive layers disposed between any of the above layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.