Patent · US Expired

Dispensing system

US4511069A · kind A · utility

39Cited by
6References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 17, 1983
Grant dateApr 16, 1985
Priority date
Expiry dateJan 17, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L21/26506
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A system for metered dispensing of a product comprising a hermetically-sealed package containing sealed therein product to be dispensed, together with a pressurizing agent and a pump for dispensing the product. The pump discharge pressure of which is substantially independent of the internal pressure of said package.

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