Patent · US Expired

Method of manufacturing a metal cap with a lining affixed thereto at selected areas

US4272313A · kind A · utility

7Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 1979
Grant dateJun 9, 1981
Priority date
Expiry dateMay 15, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T156/1072
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A metal cap having a primer layer thereon which has a thermal adhesiveness with respect to a lining layer and wherein part of the lining at the bottom of a cap is thermally adhesively fixed to the primer layer. A method of manufacturing a metal cap including steps of applying a primer to the cap which has a thermal adhesiveness with respect to a lining layer and heating only a portion of the bottom of the cap to cause only part of the lining to become affixed to the primer.

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