Patent · US Expired

Shaft seal

US4519616A · kind A · utility

13Cited by
3References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 21, 1983
Grant dateMay 28, 1985
Priority date
Expiry dateOct 21, 2003

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/3204
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A shaft seal consists of a one-piece rigid plastics moulded ring with a thick holding portion and a thin sealing head having a flexing leg and a sealing bush to make an interference fit and fine running clearance seal against an opposed cylindrical surface.

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