Apparatus and method for a funnel assembly
US8413597B1 · kind B1 · utility
Inventor
Key dates
| Filing date | May 9, 2011 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Oct 12, 2031 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD05C15/00
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for a funnel assembly on a tufting machine comprising an exchanger bar, one or more exchanger blocks, a funnel bar or one or more funnel blocks, one or more needle assemblies including a needle having a distal end, one or more means for conveying fluid in a direction toward the distal end of the needle and a means for moving the needle assembly in a direction substantially transverse to the backing of a tufted surface covering. The exchanger bar and the exchanger block are stationary when the needle assembly moves between a retracted position and an extended position. A method comprising providing such a funnel assembly, conveying a strand of yarn in a direction toward the distal end of the needle and moving the needle assembly and funnel bar between a retracted position and an extended position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.