Patent · US Expired

Dispenser for chemically unstable products

US6672483B1 · kind B1 · utility

116Cited by
9References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 18, 2001
Grant dateJan 6, 2004
Priority date
Expiry dateOct 18, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB05B11/0038
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A dispenser for chemically unstable products that result from mixing at least two liquid and/or semiliquid components, the dispenser being of the type comprising an outer housing (1) containing at least two hermetically sealed compartments (11, 12) each containing a liquid component, the compartments being provided with respective extractor members (21, 22) suitable for being actuated simultaneously and together by a single pushbutton (3) and suitable for delivering into separate delivery ducts (31, 32) formed inside said pushbutton (3) and opening to the outside via at least one ejector orifice (31a, 32a), the dispenser being characterized in that each of said compartments (11, 12) is defined transversely by the bottom (10) of the outer housing (1) and by an internal bushing (41, 42) for supporting its extractor member (21, 22), and laterally by the wall of an internal tubular element (51, 52) whose ends are fixed in leakproof manner respectively to said bushing and to the bottom (10) of said housing (1).

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