Patent · US Expired

Filter having pinched ends for improved sealing effect

US5919363A · kind A · utility

1Cited by
10References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1998
Grant dateJul 6, 1999
Priority date
Expiry dateApr 8, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49604
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filtration cartridge (20) uses a swage channel (50) to form a water-tight seal between a sealing element (26) and a semi-rigid filter (28).

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