METHOD OF MANUFACTURING RUBBER-TEXTILE GLAND Russian patent published in 1994 - IPC

Abstract RU 2011080 C1

FIELD: crude-oil pumps. SUBSTANCE: rubber-textile manufactured by straight-and-cross weaving is cut out along diagonal into strips. The strips are spirally mounted in a rolled-up stock. The rolled-up stock is cut into rings. The rings are burned inside out around their perimeter to form spirally woven multilayer bags, which are cured then. The width of the rubber-textile being mound in the rolled-up stock is varying and being lesser than the rolled-up stock width. The winding of the rubber-textile strip is accompanied by reciprocating of them along the rolled-up stock. EFFECT: improved quality of gland. 2 cl, 5 dwg

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RU 2 011 080 C1

Authors

Bobrovskij L.K.

Sidorenko O.Ja.

Dates

1994-04-15Published

1990-04-24Filed