Textiles: manufacturing – Thread finishing – Surface modification of running length
Reexamination Certificate
2008-01-15
2008-01-15
Vanatta, A. (Department: 3765)
Textiles: manufacturing
Thread finishing
Surface modification of running length
C028S265000
Reexamination Certificate
active
07318263
ABSTRACT:
The invention relates to a device for the compression crimping of a synthetic multifilament yarn, said device comprising a transport nozzle and a compression chamber. Said transport nozzle comprises a yarn channel by which means a yarn is guided to a compression chamber. Said compression chamber forms a section having a gas-permeable chamber wall, between a yarn inlet and an enmeshment outlet. According to the invention, the gas-permeable chamber wall comprises a friction surface consisting of material which is resistant to wear, on the inner side facing the yarn enmeshment. The constancy of the braking action produced by the friction on the yarn enmeshment can thus be significantly improved.
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Alston & Bird LLP
Saurer GmbH & Co. KG
Vanatta A.
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