Patent · US Expired

Shaft seal with liner flange

US4335889A · kind A · utility

9Cited by
17References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 27, 1980
Grant dateJun 22, 1982
Priority date
Expiry dateJun 27, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2031/26
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An annular trimmed lip shaft seal of the type not having a metal shell but consisting solely of an elastomeric body and a liner of low friction material bonded thereto, which liner includes a radial flange extending radially out beyond the outside diameter of the elastomeric body for abutting the housing for locating the seal, and for strengthening the seal to provide seal retention and alignment. A method for making the seal and a method for locating, retaining and aligning a seal are also disclosed.

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