Two-pile height yarn feed for conventional tufting machine
US4062308A · kind A · utility
10Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1976 |
| Grant date | Dec 13, 1977 |
| Priority date | — |
| Expiry date | Jun 25, 1996 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05C15/18
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of and apparatus for feeding yarn to needles of a conventional tufting machine in which the yarn is controlled to permit the feeding of at least two different lengths per needle to produce pile tufts of varying heights. A series of yarn pullers and clamps are utilized to draw and meter the yarn from the creel. Different pullers are utilized to provide the varying pile heights. The pullers or plungers may be driven by band-like members which are engageable upon selection with a continuously oscillating shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.