Patent · US Expired

Puncture sealing composition and tire

US4064922A · kind A · utility

27Cited by
11References
33Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1976
Grant dateDec 27, 1977
Priority date
Expiry dateMay 6, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31899
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A pneumatic tire of the tubeless type, embodying a layer of puncture sealant composition based on: PA1 A. a major proportion of a low molecular weight elastomer (e.g., depolymerized natural rubber) in admixture with a tackifying or plasticizing substance (e.g., a resinous reaction product of a mineral oil purification residue with formaldehyde) and PA1 B. a minor proportion of a high molecular weight elastomer (e.g., cis-polyisoprene); PA1 Containing a crosslinking agent (e.g., tetra-n-butyl titanate) in an amount sufficient to give a partial cure.

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