Through-fill closure for a receptacle
US6827242B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jul 23, 2002 |
| Grant date | Dec 7, 2004 |
| Priority date | — |
| Expiry date | Jan 12, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G69/183
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A through-flow closure for a receptacle of flowable material, the closure includes a body part having a charging aperture and a closure operating member for opening the closure device of a container. There is an annular gap between the edge of the aperture and the closure operating device. A stretchable annular sealing member attached to the body part. The sealing member seals the gap between the body part and the closure operating member when the receptacle and container are separated and forms a seal between the body part and the container when the receptacle and the container are moved together and prior to the closure operating member opening the closure device of the container.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.