Dispensing package with a self-sealing closure constructed from a thermoplastic material
US6079594A · kind A · utility
35Cited by
46References
46Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1997 |
| Grant date | Jun 27, 2000 |
| Priority date | — |
| Expiry date | Aug 21, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2231/02
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A dispensing package for fluid products and the like comprises a container shaped to receive and retain a fluid product therein, and includes a discharge aperture therethrough. A self-sealing closure includes a marginal flange portion, and a head portion with an orifice which opens and closes in response to the application of a predetermined discharge pressure. The flange portion of the closure is positioned about and encloses the discharge aperture, and is constructed from a thermoplastic material, which is heat fused to the container to form a secure interconnection and fluid seal therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.