Patent · US Expired

Container for substances prepared by mixing components

US5058770A · kind A · utility

31Cited by
9References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 15, 1990
Grant dateOct 22, 1991
Priority date
Expiry dateJun 15, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01F2101/2305
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A container for preparing a substance mixed from components which are inilly separated comprises two chambers (54, 56) separated from each other by a partitioning structure (52). One chamber (54) holds a liquid component and is closed by a sheet (53) of plastics material, and the other chamber (56) holds a powdery component and forms a mixing chamber. An actuating member (58) is movably disposed within the partitioning structure (52). The actuating member (58) includes a seal (64, 66) which is locked in the rest and storage position of the container and is released when the actuating member is moved into its actuated position in which the sheet (53) is perforated. In the actuated position, the seal (64, 66) functions as a valve to permit the liquid component to enter the mixing chamber (56) while preventing parts of the mixture or components thereof from flowing back from the mixing chamber (56) into the first chamber (54).

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