DRAWHOLE FOR EXTRUSION MOLDING OF ARTICLES Russian patent published in 1994 - IPC

Abstract RU 2024404 C1

FIELD: molding of catalytic masses. SUBSTANCE: material for internal surface of drawhole tips is selected so as to satisfy the relation of external friction coefficients of the pair: tip material:molded mass to the internal friction coefficient of the mass being molded which ranges from 0.80 to 1.49. Besides, the polymeric material for internal surface of tips is a composition material. The drawhole is provided with a replaceable member for adjusting the flow velocity of the mass being molded. Said member is made of the same material as the internal surface of tips. Metal die has the form of a set of identical members. The die members are interconnected with one another to produce, when assembled, the preset thickness of the die. EFFECT: improved design. 4 cl, 2 dwg

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RU 2 024 404 C1

Authors

Kostjuchenko V.V.

Mazanik V.N.

Filippin V.A.

Golubev I.N.

Charikova O.G.

Garms A.Ja.

Ivanenko S.V.

Savran E.N.

Nikanorov A.G.

Kiselev E.A.

Mosin Ju.M.

Vlasov S.P.

Mikhajlichenko A.I.

Lugovskoj A.I.

Loginov S.A.

Bubnov Ju.N.

Dates

1994-12-15Published

1993-02-22Filed