Closure cap with a multilayer seal disk for receptacles
US9688448B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2012 |
| Grant date | Jun 27, 2017 |
| Priority date | — |
| Expiry date | Dec 17, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49826
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention is directed to a cap (10) for receptacles (20) such as e.g. glass jars, comprising a cap base body (11) with a fixing means (13) for enabling the cap (10) to be removably attached on the receptacles (20), a backing layer (2) made from a deformable material, and a sealable, preferably heat-sealable membrane (3) not being glued to the backing layer (2), wherein both the backing layer (2) and the membrane (3) are retained inside the cap (10) via a retention portion (18) extending from an inner side wall (14) of the cap (10). The invention is further directed to a receptacle (20) having said cap (10) for closing it, and is also directed to a method for providing the cap (10) with a sealing element (1) and for providing said cap (10) onto the receptacle (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.