Metal cap and its method of manufacture
US4327840A · kind A · utility
5Cited by
9References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1980 |
| Grant date | May 4, 1982 |
| Priority date | — |
| Expiry date | Oct 29, 2000 |
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.