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2 097 494

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Application

95115907/03, 1995-09-12

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Actual filing date

1995-09-12

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Published

1997-11-27

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Inventor

Grigorashchenko V.A.Kurlenja M.V.Tupitsyn S.K.Plavskikh V.D.Repin A.A.Fetisov S.Ju.Kamenskij V.V.

(73)

Holder

Institut Gornogo Dela So RanGosudarstvenno-Aktsionernaja Nauchno-Proizvodstvennaja Kompanija

IMPACT-ACTION DEVICE Russian patent published in 1997 - IPC

Abstract RU 2097494 C1

FIELD: pneumatic impact mechanisms designed for trenchless laying of service lines. SUBSTANCE: impact-action device has hollow housing accommodating striker with central channel in which air distributor is placed being installed in housing by means of flexible member. Flexible member is made in form of bushing installed between housing and air distributor with clearance over entire outer or inner surface Bushing can be made of two parts one of which is installed with clearance over outer side and the other, with clearance over inner side. EFFECT: enlarged operating capabilities. 2 cl, 3 dwg

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RU 2 097 494 C1

Authors

Grigorashchenko V.A.

Kurlenja M.V.

Tupitsyn S.K.

Plavskikh V.D.

Repin A.A.

Fetisov S.Ju.

Kamenskij V.V.

Dates

1997-11-27—Published

1995-09-12—Filed

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