Patent · US Expired

Cap for a reservoir

US4666057A · kind A · utility

45Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 14, 1986
Grant dateMay 19, 1987
Priority date
Expiry dateApr 14, 2006

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D51/1622
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Cap for a reservoir (10), intended to be mounted on a reservoir having an external thread, of the type comprising an internal thread (16), a sealing gasket (42) and a labyrinth means (20) in a fluid passage between the threads and the inside of the cap, characterized in that the labyrinth means (20) comprises at least one intermediate accumulation chamber (34, 36) in the passage.

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