Yarn testing apparatus

Details Yarn testing apparatus Yarn testing apparatus

2006-07-21

2011-12-20

Williams, Hezron E (Department: 2856)

Measuring and testing

Sheet, woven fabric or fiber

Reexamination Certificate

active

08079255

ABSTRACT:
The device is used for the automatic determination of characteristics on textile test material such as yarns, rovings, and slivers. A path is provided for the test material, through which path the test material is moved in its longitudinal direction. At least one measuring element for measuring a parameter of the test material is arranged along the path. In order to reduce the depositing of loose fibers, dust, or dirt particles, a plurality of suction elements, which are arranged along the path and spaced apart from one another, are provided and generate a vacuum, by means of which the undesired particles are sucked from the path.

REFERENCES:
patent: 2144767 (1939-01-01), McCallum
patent: 3960593 (1976-06-01), Heusser
patent: 4970402 (1990-11-01), de Vuyst et al.
patent: 5313775 (1994-05-01), Binder et al.
patent: 5701729 (1997-12-01), Rees et al.
patent: 6842244 (2005-01-01), Bedard et al.
patent: 03143874 (1991-06-01), None

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