Pry-off closure cap
US3930589A · kind A · utility
15Cited by
10References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1975 |
| Grant date | Jan 6, 1976 |
| Priority date | — |
| Expiry date | Apr 14, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D51/145
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An improved pry-off closure cap is described. The cap has a composite structure comprising a metal cover disc held in a molded plastic ring. The plastic ring has an inner groove for retaining the metal cover and container engaging means consisting of either spaced lugs or a continuous bead positioned on a depending skirt portion of the ring and positioned below the cover retaining groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.