DEVICE FOR PRESS-WORKING OF PIPES FROM METAL GRANULES Russian patent published in 1994 - IPC

Abstract SU 1693791 A1

FIELD: devices for continuous press-working of pipes from metal granules, mainly of aluminium alloys. SUBSTANCE: granules from bin move by gravity into pressure chambers. During rotation of rollers 1 and 4 granules are transferred in direction of rollers, with granules compacted and preseized. Since clearance between annular dissector and groove is closed by dissector 9, granule metal remains in pressure chamber. Then, metal flows welding chamber 11 and further into pipe. EFFECT: enhanced mechanical properties of pipes and enlarged operating capabilities due to press-working of articles with sizes exceeding those of plug gauge cross-section. 5 dwg, 1 tbl

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SU 1 693 791 A1

Authors

Kornilov V.N.

Belokopytov V.I.

Dates

1994-07-30—Published

1989-12-04—Filed