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2 342 254

(13)

(51)

IPC

B30B1/23(2006-01-01)

B21J11/00(2006-01-01)

(21) (22)

Application

2006139468/02, 2006-11-07

(24)

Start date

2006-11-07

(22)

Actual filing date

2006-11-07

(45)

Published

2008-12-27

(72)

Inventor

Zimin Jurij Anatol'EvichVolodin Aleksej MikhajlovichSorokin Vladislav AlekseevichPetrov Nikolaj PavlovichGrishin Vladimir Aleksandrovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

DUAL-ACTION SCREW HYDRAULIC PRESS-HAMMER Russian patent published in 2008 - IPC B30B1/23 B21J11/00

Abstract RU 2342254 C2

FIELD: mechanics.

SUBSTANCE: dual-action screw hydraulic press-hammer comprises lead nut with screw arranged in the foundation, drift-pin and slider with upper stamp. Screw features a lower cylindrical part, slider is linked up with hydraulic cylinder plungers and runs in thrust bearings. Aforesaid slider is furnished with cylindrical bores for screw lower cylindrical part and drift-pin to axially move therein. Said drift-pin is attached to the said screw lower cylindrical part provided with groove receiving half-rings accommodating the slider.

EFFECT: simpler design, higher reliability.

2 dwg

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RU 2 342 254 C2

Authors

Zimin Jurij Anatol'Evich

Volodin Aleksej Mikhajlovich

Sorokin Vladislav Alekseevich

Petrov Nikolaj Pavlovich

Grishin Vladimir Aleksandrovich

Dates

2008-12-27—Published

2006-11-07—Filed