Patent · US Expired

Two-compartment storage and transfer flask

US5348548A · kind A · utility

97Cited by
10References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 1991
Grant dateSep 20, 1994
Priority date
Expiry dateAug 28, 2011

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61J1/2041
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Bottle (10) for storage and transfer with dual compartments (11 and 12) separated during storage by a movable intermediate seal (13). The bottle (10) also has a narrow neck (15) in which a sealing device engages comprising an elastomeric sealing member (61) and a capsule (17) attached to said member. The capsule extends toward the outside into a tip (18) in which there is a closing valve (63) urged by a spring (62) which supports a disc (60b) of a rigid element (60) attached to the inside of the sealing member (61).

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