Pourer closure
US4171749A · kind A · utility
46Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1978 |
| Grant date | Oct 23, 1979 |
| Priority date | — |
| Expiry date | Jun 15, 1998 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D55/02
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A two piece pourer closure, comprising a base portion with a cover portion which on rotation is raised by cooperating protuberances to open a pouring aperture, is provided with a separable guarantee strip, at least partly covering the cover portion to prevent it from being grasped and rotated and with means for centering and supporting a jacket portion of the cover against laterally acting forces. The means for supporting the jacket portion may be the protuberances on the base portion or a ring of guide elements on the base portion engaging the inner surface of the jacket portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.