Patent · US Active

Spiral wound gasket

US10955055B2 · kind B2 · utility

2Cited by
39References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 29, 2018
Grant dateMar 23, 2021
Priority date
Expiry dateDec 21, 2038

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T156/1002
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A spiral wound gasket includes a resilient sealing element including spirally wound, alternating layers of metal banding and winding fill material that incorporates a significant quantity of talc with quantities of fiber and binder. Either or both of an outer guide ring and inner guide ring may extend from peripheral outer and inner surfaces of the sealing element. Embodiments of the gasket overlay one or both axial faces of the sealing element with a layer facing material that incorporates a significant quantity of talc with quantities of fiber and binder.

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