Attachment device for attaching a pump onto a tank neck
US8590749B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 3, 2010 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | Jun 5, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1049
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A fastener device for fastening a dispenser member on a neck of a reservoir, the device including a fastener ring. The fastener ring having reception mechanism for receiving, in stationary manner, the dispenser member; an annular plate for exerting axial pressure on the neck; and a fastener skirt that extends downwards from the plate, the skirt including a fastener mechanism for fastening around the neck. The ring is made of two different plastics materials, a substantially-hard first material and a flexible second material that is more flexible than the first material. The device also includes a hoop that, in the final assembled position, extends around the skirt of the ring with radial clamping. The flexible second material comes into contact with the hoop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.