Patent · US Expired

Manually-actuated metering pump

US7481336B2 · kind B2 · utility

11Cited by
12References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2003
Grant dateJan 27, 2009
Priority date
Expiry dateJun 24, 2024

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B11/026
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention relates to a manually-actuated metering pump of simple design, which is intended for a rigid container. The inventive metering pump is of the dual valve type, comprising a lower inlet valve and an upper ejection valve which are disposed at the input and output respectively of a metering chamber which is slidably mounted on the lower valve. Moreover, said lower valve is fixed to a hollow tube which communicates with the inside of the container. The invention can be used for dispensing fluid products.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.