Molded plastic cap with sealing liner
US4531649A · kind A · utility
60Cited by
4References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 1984 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | Apr 23, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S215/01
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A molded plastic closure cap has a number of downwardly projecting fins on the underside of its cover for forming a seal with a container in combination with a liner positioned between the fins and the container rim. The liner is a laminated one consisting of a plastic foam layer engaging the fins, an adhesive layer engaging the package and a thin aluminum foil layer sandwiched between the foam layer and the adhesive layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.