Method for making O-rings
US4851175A · kind A · utility
8Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1987 |
| Grant date | Jul 25, 1989 |
| Priority date | — |
| Expiry date | Aug 31, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/042
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of making O-rings by depositing a filament of a liquid hot-melt material onto a rotating spindle, or directly upon the shank of a rotating fastener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.