Pump dispensers
US9199258B2 · kind B2 · utility
1Cited by
29References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 30, 2014 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Dec 30, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1069
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pump dispenser includes a container whose top opening is closed off by a base structure of a pump module. The structure is shaped to guide air to an air pocket region adjacent the wall. This air pocket region communicates with the pump inlet opening so that air can be discharged. The pump may include a pump body and a plunger which incorporate respective different ones of a click projection and a click actuating formation, constituting a click indicator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.