PLANT FOR MANUFACTURE OF PLASTIC TUBES BY CENTRIFUGAL CASTING Russian patent published in 2001 - IPC

Abstract RU 2172253 C2

FIELD: manufacture of plastic tubes by centrifugal casting from materials containing plastic, glass fibers and additives. SUBSTANCE: proposed plant includes upright which is swivel relative to horizontal axis with molds smoothly distributed on this upright. Molds for centrifugal casting are mounted at similar axial distance relative to horizontal axis for rotation from drive about horizontal axis of mold. Plant includes units for step-by-step turn of upright, proper positioning of mold and locking mold heating elements in at least one position, loading unit, unloading unit and control unit. Swivel upright includes six to eight molds for centrifugal casting. Plant is provided with unit for suction gases from molds in the course of tube hardening; each mold is provided with drive motor. Loading unit is made for motion during operation for filling one or two molds with material. Unloading unit is made for unloading one finished tube from one mold. Control unit is provided for control of intermittent rotation of swivel upright, rotation of each mold at number of revolutions depending on position, motion of loading unit relative to swivel upright, instantaneous and complete loading of materials and functioning of unloading unit. Plant may be used for manufacture of thin-walled tubes at diameter of 10 to 50 cm and freely selected multi-layer structure of walls. EFFECT: enhanced efficiency. 8 cl, 10 dwg

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RU 2 172 253 C2

Authors

Karlstrem Bengt

Dates

2001-08-20Published

1996-12-19Filed