Patent · US Expired

Surface-treating method of screw parts

US6183809A · kind A · utility

2Cited by
2References
4Claims
0Family size

Assignees

Inventors

Key dates

Filing dateFeb 25, 1997
Grant dateFeb 6, 2001
Priority date
Expiry dateFeb 25, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D5/00
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A surface-treating method of of screw parts, which method consists of coating beforehand a liquid organic resin based coating composition capable of forming a film having a volume resistivity of 10.sup.14 .OMEGA..multidot.cm or more at normal temperature onto a thread of screw parts to be mounted onto an automobile body by welding prior to a coating step of the automobile body, followed by heating and drying.

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