GLASS-REINFORCED PLASTIC PIPES Russian patent published in 1994 - IPC

Abstract RU 2015909 C1

FIELD: manufacture of glass-reinforced plastic pipes. SUBSTANCE: glass-reinforced plastic pipes are manufactured by winding of sealing layer of thermoplastic film and glass-reinforced plastic layers on mandrel with subsequent curing. Used as thermoplastic film is polyolefin adhesion-active film with two-sided modification of surfaces with adhesion strength not less than 13.0 MPa and 100-150 microns thick. This film may be arranged between glass-reinforced plastic layers as additional sealing barrier. EFFECT: higher efficiency. 3 cl, 1 tbl

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RU 2 015 909 C1

Authors

Lapshin N.F.

Kitaev K.N.

Saburin S.V.

Kovalev B.A.

Dates

1994-07-15—Published

1992-04-21—Filed