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2 008 399

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IPC

(21) (22)

Application

5057378/33, 1992-07-31

(22)

Actual filing date

1992-07-31

(45)

Published

1994-02-28

(72)

Inventor

Komarov Vladimir MikhajlovichDmitrevich Jurij VladimirovichKadomkin Viktor ViktorovichFrenkel' Boris EfimovichMolotnikov Mikhail DavidovichLukashov Vladimir SemenovichKrajnov Evgenij AleksandrovichAref'Ev Jurij PetrovichKostrubin Jurij Georgievich

(73)

Holder

HYDRAULIC HAMMER Russian patent published in 1994 - IPC

Abstract RU 2008399 C1

FIELD: civil engineering. SUBSTANCE: body has auxiliary boring communicating with pressure line. Distance from the boring to drainage boring is smaller than width of controlled turning positioned on piston, and width of drainage boring is bigger than width of collar of piston facing end cover of body. EFFECT: enhanced operating capability. 1 dwg

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RU 2 008 399 C1

Authors

Komarov Vladimir Mikhajlovich

Dmitrevich Jurij Vladimirovich

Kadomkin Viktor Viktorovich

Frenkel' Boris Efimovich

Molotnikov Mikhail Davidovich

Lukashov Vladimir Semenovich

Krajnov Evgenij Aleksandrovich

Aref'Ev Jurij Petrovich

Kostrubin Jurij Georgievich

Dates

1994-02-28—Published

1992-07-31—Filed