Easily openable liner for vessel closures
US4463116A · kind A · utility
13Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1982 |
| Grant date | Jul 31, 1984 |
| Priority date | — |
| Expiry date | Nov 4, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2666/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a vessel closure provided with an easily openable liner, said liner being composed of an olefin resin or olefin resin composition comprising as a lubricant two different lubricants having different functional characteristics whereby the quantity of the lubricant immigrating to the surface of the liner is effectively controlled within a certain range at temperatures of a broad range and the opening torque of the closure is controlled at a low level at storage temperatures of a broad range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.