Seal
US9211978B2 · kind B2 · utility
1Cited by
9References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 26, 2011 |
| Grant date | Dec 15, 2015 |
| Priority date | — |
| Expiry date | Nov 19, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2251/0093
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A pierceable, induction sealable seal for a container opening, the seal comprising a plurality of layers at least one of which is metallic and at least one of which is non-metallic, at least one of the non-metallic layers is complete and in use extends across a container opening to seal it. The area over which the at least one of the metallic layers extends is restricted to the region of the periphery of the seal whereby to facilitate induction sealing to the opening but to remain isolated from product in a container upon piercing of the seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.