Dispensing closure with pliable sealing surface
US8448798B2 · kind B2 · utility
44Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2010 |
| Grant date | May 28, 2013 |
| Priority date | — |
| Expiry date | Feb 11, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/565
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A dispensing closure that comprises a pliable sealing surface that is selectively formed with a dispensing opening or a cleanout. At least a portion of the pliable sealing surface can be formed at a base of a skirt, wherein the skirt engages the dispensing closure with the container. Material of the pliable sealing surface can be bonded with material of a body portion and a flap portion of the dispensing closure during a multi-shot injection molding process. The pliable sealing surface can be formed from a thermoplastic elastomer and the body portion and flap portion can be formed from a polymer material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.