Apparatus and process for the production of pile surface articles
US4451419A · kind A · utility
10Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1980 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Jan 17, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/765
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
In a method and apparatus for making a pile-surfaced thermoplastic material by a tack-spin technique the laminate of backing web and adhered pile is hauled off from the heated drawing surface over a rod or bar which fixes the point at which the laminate separates from the heated drawing surface and which directs cooling fluid from an aperture in the rod or bar and onto the back of the backing web and into the fibril-forming area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.