Die set and apparatus for in-situ molding of a separable fastener component
US4784591A · kind A · utility
42Cited by
6References
22Claims
0Family size
Inventor
Key dates
| Filing date | Jun 17, 1987 |
| Grant date | Nov 15, 1988 |
| Priority date | — |
| Expiry date | Jun 17, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7282
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Apparatus for making a molded plastic snap-fastener in-situ on a porous substrate, such as fabric. The apparatus includes dies defining a mold cavity therebetween and an ultrasonic head for melting and shaping plastic in the mold cavity. A hinged stripper surrounds a die and when actuated engages the fabric to remove the molded fastener from the die cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.