Method and apparatus for introducing a roving into a textile machine drafting frame

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United States of America Patent

PATENT NO 4922704
SERIAL NO

07253146

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Abstract

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According to the method, an end part of a roving is first introduced into the main drafting zone of a drafting frame of a textile machine after a reference point at a clamping device. Thereafter, a middle part of the roving is drawn laterally into the preliminary drafting zone solely by the tension of the main drafting zone. The apparatus comprises a gripper which is connected via a pivotable arm or a telescopic arm to a mobile or stationary robot which can cooperate either with a pusher, a spacer or a fixed slider.

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Patent Owner(s)

Patent OwnerAddress
RIETER MACHINE WORKS LTD WINTERTHUR SWITZERLAND A CORP OF SWITZERLANDNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Slavik, Walter Horgen, CH 15 70
Wuermli, Arthur Winterthur, CH 4 12

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