Method of forming spirally wound gaskets
US4781048A · kind A · utility
4Cited by
8References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 6, 1986 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | May 6, 2006 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16J15/125
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A spiral wound gasket is made by progressively winding strip material between co-operating rollers to form a gasket section, the method of manufacture including the step of separating the rollers at a predetermined rate to give a predetermined rate of growth for the gasket section formed between them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.