Pump dispenser for flowable materials
US5848739A · kind A · utility
5Cited by
2References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 1997 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Jan 17, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/767
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A pump type fluid dispenser comprises an outer barrel closed at its lower end with a plunger slidably mounted in the upper end of the barrel. A dispensing spout for the fluid within the combined chamber of the barrel and plunger is located at the upper end of the plunger. A leakage collection chamber is disposed around the plunger between the piston head of the plunger and the top of the barrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.