Draw frame including a sliver quality sensing camera

Details Draw frame including a sliver quality sensing camera Draw frame including a sliver quality sensing camera

2007-07-03

2007-07-03

Vo, Tung (Department: 2621)

Television

Special applications

Observation of or from a specific location

Reexamination Certificate

active

10000454

ABSTRACT:
A draw frame for drafting a sliver includes a drafting unit having a plurality of roll assemblies spaced from one another in a direction of sliver advance. One of the roll assemblies is an output roll assembly situated at a downstream end of the drafting unit as viewed in the direction of sliver advance. A sliver guide is disposed downstream of the output roll assembly and a sliver trumpet is disposed downstream of the sliver guide. The sliver passes through the sliver guide and the sliver trumpet. An electronic camera is arranged to capture images of the sliver at a location which is downstream of the output roll assembly and upstream of the sliver trumpet. An electronic image evaluating unit is connected to the camera for receiving image signals therefrom.

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