Patent · US Expired

Bolt and nut unit coated with lubricant

US4206060A · kind A · utility

32Cited by
4References
2Claims
0Family size

Assignees

Inventors

Key dates

Filing dateOct 23, 1978
Grant dateJun 3, 1980
Priority date
Expiry dateOct 23, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S411/902
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A bolt and nut unit coated with lubricant comprising graphite and/or molybdenum disulfide, an ethylene-vinyl acetate copolymer and a fatty acid or a metallic soap thereof. This lubricant has low temperature sensitivity, and the bolt and nut unit coated therewith can be tightened precisely into position with a constant torque regardless of variations in ambient temperature and humidity.

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