Seal arrangements for pressurized dispensing containers
US6131777A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 7, 1998 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Apr 7, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/38
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention relates to pressurised dispensing apparatus which includes a container for product to be dispensed, and a valve for controlling outflow of product from the container. The valve includes a valve body located within the container. The container has an open ended container body, and a closure fixedly attached to said container body for closing the open end thereof. The closure has an annular sidewall extending around at least an upper end of the container body. First and second seals are provided, wherein the first seal provides a barrier against the ingress of moisture into the container and the second seal provides a barrier against leakage of the product from the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.