Apparatus and method for making pile articles and improved pile articles made therewith
US7824513B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2005 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Jul 20, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23979
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Filamentary materials, such as yarn (18), is wound a frame (28), provided by pairs of movable filaments or wires (35, 38), about which the end of the spindle (22) rotates provides the turns (26) of the winding as the article having the winding is moved along a process path. Mechanically or hydraulically actuated pins (34) support the winding frame in a fixed position. The filaments of the frame may be provided by laterally spaced pairs (44, 46) of filaments of weldable material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.