Closure liner with pull tab
US4863061A · kind A · utility
30Cited by
15References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 3, 1989 |
| Grant date | Sep 5, 1989 |
| Priority date | — |
| Expiry date | Jan 3, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2577/2041
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A closure for use in connection with a capped container includes a seal liner provided with a tab portion, and adapted to seal the mouth of the container, a cap liner adapted to be adhered to the tab portion of the seal liner and releasably retained within the cap so that upon opening of the container as by unscrewing the cap, the cap liner is released from the cap and provides an enlarged gripping surface to enable the consumer to more easily open the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.