Bonding man-made fabrics to form protective garments without use of stitching
US4670073A · kind A · utility
28Cited by
4References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 1, 1985 |
| Grant date | Jun 2, 1987 |
| Priority date | — |
| Expiry date | Apr 1, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1034
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method for bonding seams in protective garments without use of any stitching, by applying high-frequency ultrasonic waves of pressure to overlapping edges of fabric of non-woven spunbonded olefin or polyolefin having laminated to one side thereof a polyethylene or polyvinylidine chloride film.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.