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2 008 398

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IPC

(21) (22)

Application

5057375/33, 1992-07-31

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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 SemenovichOvchinnikov Nikolaj PavlovichRjumin Aleksandr EhduardovichBabichev Vladislav Afanas'Evich

(73)

Holder

HYDRAULIC HAMMER Russian patent published in 1994 - IPC

Abstract RU 2008398 C1

FIELD: civil engineering. SUBSTANCE: membrane-type hydropneumatic accumulators of hydraulic hammer are in the form of toroids coaxial with working cylinder. Inner body of accumulator having wave-like cross section is separable and consists of stack of washers on whose end faces there are grooves which stand duty as channels for fluid. EFFECT: reduced metal usage and labor consumption, enhanced operating reliability of hammer. 3 dwg

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RU 2 008 398 C1

Authors

Komarov Vladimir Mikhajlovich

Dmitrevich Jurij Vladimirovich

Kadomkin Viktor Viktorovich

Frenkel' Boris Efimovich

Molotnikov Mikhail Davidovich

Lukashov Vladimir Semenovich

Ovchinnikov Nikolaj Pavlovich

Rjumin Aleksandr Ehduardovich

Babichev Vladislav Afanas'Evich

Dates

1994-02-28—Published

1992-07-31—Filed