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2 085 374

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C1

(51)

IPC

(21) (22)

Application

94001109/25, 1994-01-13

(22)

Actual filing date

1994-01-13

(45)

Published

1997-07-27

(72)

Inventor

Komarov S.S.Bajbulatov V.P.Beljaev B.A.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie

METHOD AND APPARATUS FOR MANUFACTURING FLUOROPLASTIC PRODUCTS Russian patent published in 1997 - IPC

Abstract RU 2085374 C1

FIELD: polymer plastics. SUBSTANCE: invention relates to processing polytetrafluoroethylene and may find use in mechanical engineering and transport. In a method of manufacturing fluoroplastic products, when pressing homogeneous paste prepared for specified number of products, a single raw stock pellet is pressed. Then, several products are simultaneously extruded. Removal of grease and caking of all products are also performed simultaneously. Combination head of apparatus for manufacturing fluoroplastic products is constructed in the form of housing and nozzle installed therein. The former has conical inner surface narrowing toward head outlet. Nozzle is also cone-shaped, is taper being reverse to that of housing. Housing- nozzle coupling zone is formed by intersection of their conical surfaces. On the nozzle surface zone coupling with housing, sizing openings are made smoothly coupled with nozzle surface. EFFECT: improved design and enhanced efficiency of process. 2 cl, 8 dwg

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RU 2 085 374 C1

Authors

Komarov S.S.

Bajbulatov V.P.

Beljaev B.A.

Dates

1997-07-27—Published

1994-01-13—Filed

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