Patent · US Expired

Ceramic nozzle and apparatus for stuffer box crimping a synthetic multifilament yarn

US7260875B2 · kind B2 · utility

3Cited by
11References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 12, 2005
Grant dateAug 28, 2007
Priority date
Expiry dateMar 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.