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2 172 406

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IPC

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Application

99115959/03, 1999-07-23

(24)

Start date

1999-07-23

(22)

Actual filing date

1999-07-23

(45)

Published

2001-08-20

(72)

Inventor

Bychkov A.A.Zotov V.E.Mel'Nikov A.S.Koterev I.A.Smel'Tsov B.S.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod"

ROCK-CUTTING CUTTER Russian patent published in 2001 - IPC

Abstract RU 2172406 C2

FIELD: mining and road-construction industries, particularly, rock-cutting cutters applicable in rock mining and repair of asphalt-concrete pavements. SUBSTANCE: cutter has working head, cylindrical shank. Supporting ring is located in immediate contact with lower part of cutter working head. Contacting surfaces of cutter head and supporting ring have hollows with depth ratios of 3-3.5 and filled with antifriction material which serves as chipping absorber. EFFECT: higher operate reliability of cutter due to prevented its wedging. 1 dwg

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RU 2 172 406 C2

Authors

Bychkov A.A.

Zotov V.E.

Mel'Nikov A.S.

Koterev I.A.

Smel'Tsov B.S.

Dates

2001-08-20—Published

1999-07-23—Filed

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