Patent · US Expired

Filter lip seal and method

US7469906B2 · kind B2 · utility

7Cited by
8References
30Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 1, 2005
Grant dateDec 30, 2008
Priority date
Expiry dateJul 1, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/125
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A lip seal has an internal spring element disposed in an elastomeric ring. The spring element has a central ring with inwardly directed angled fingers

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