Screw cap made of plastics material
US5197621A · kind A · utility
30Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 1990 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | Oct 30, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D41/0471
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A screw cap comprises an internal screw thread and a braking element for engaging the lead end of the external screw thread on a container for which the cap is intended. When the cap is applied to the container, the braking element progressively retards the screwing movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.