DEVICE FOR ASSEMBLY AND DISASSEMBLY OF FLANGED-JOINT FASTENERS OF HIGH-PRESSURE VESSELS Russian patent published in 1997 - IPC

Abstract RU 2092303 C1

FIELD: accessories. SUBSTANCE: cylinder 4 of each hydraulic jack 2 is furnished with stops 13 for pistons 5. Strokes 14,16,17 of pistons 5 to respective stops 13 exceed their working strokes 15. At a supply of working fluid pistons 5 move upwards together with washers 11, nuts 12 and tie-rods 6 withdrawing pins 7. Nuts 9 are screwed on up to the stop by means of wrench 10. EFFECT: enhanced effectiveness. 2 cl, 1 dwg

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RU 2 092 303 C1

Authors

Gejmur A.P.

Dates

1997-10-10—Published

1994-03-10—Filed