METHOD FOR MANUFACTURE OF SLEEVES FOR ROVING TWISTING Russian patent published in 2003 - IPC

Abstract RU 2215834 C1

FIELD: textile industry. SUBSTANCE: method involves sequential applying onto core of at least two crude rubber layers; placing fabric interlayer between rubber layers; winding cotton material onto outer surface of sleeve blank; curing and removing ready article from core; after applying of outer rubber layer, pressing in thread in spiral path onto outer rubber layer for forming helical groove; prior to curing process, puncturing sleeve blank by means of needles. EFFECT: increased efficiency and improved quality of sleeve. 2 cl, 1 dwg

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RU 2 215 834 C1

Authors

Shamkov Ju.V.

Nikulin S.A.

Belov A.F.

Repin V.P.

Dates

2003-11-10—Published

2002-06-06—Filed