Service unit for restarting the spinning of work stations in an open-end spinning machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6817169
APP PUB NO 20030029153A1
SERIAL NO

10215434

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A service unit for restarting a spinning operation at work stations (2) of an open-end spinning machine (1) after replacement of a cheese (8) with an empty tube in the winding device of a work station, comprises an auxiliary yarn supply device (21) and a yarn moving device (23) for fixing a new spinning yarn on the tube. The yarn moving device (23) is movable from a resting position (R) entraining the auxiliary yarn (24) to the winding device (4), and, after restarting the spinning operation, for positioning the yarn (7) connected to the auxiliary yarn (24) in a slot created by a tube plate opener (32) of the service unit between one of the tube plates (30) of the winding device (4) and an end of the tube (10). The yarn (7) is subsequently severed by a cutting device (31), and stored intermediately in a storage device (55).

First Claim

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Patent Owner(s)

Patent OwnerAddress
W SCHLAFHORST AG & COMPANYBLUMENGERGER STRABE 143-145 41061 MONCHENGLADBACH

International Classification(s)

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  • 2002 Application Filing Year
  • D01H Class
  • 51 Applications Filed
  • 9 Patents Issued To-Date
  • 17.65 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20022003200420050255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Straaten, Paul Schwalmtal, DE 14 74

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Patent Citation Ranking

  • 2 Citation Count
  • D01H Class
  • 10.39 % this patent is cited more than
  • 21 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges8617101 - 1011 - 2031 - 4005101520253035404550556065

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