Ceramic nozzle and apparatus for stuffer box crimping a synthetic multifilament yarn
US7260875B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2005 |
| Grant date | Aug 28, 2007 |
| Priority date | — |
| Expiry date | Mar 3, 2026 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD02G1/161
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A stuffer box yarn crimping apparatus for crimping a synthetic multifilament yarn 14. The apparatus includes a feed nozzle 2 which comprises a divided nozzle body, consisting of two molded ceramic components 1. Preferably, the molded ceramic components 1 are made in the form of two flat plates, and combined with precision via fitting means 5, 26, 8, 29. The molded ceramic components 1 abut each other via their two plane surfaces 4, and form together a nozzle tip 50, which extends into a plug channel 40 and, when put together, borders the entire channel with ceramic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.