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2 174 905

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C1

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IPC

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Application

2000104726/02, 2000-02-28

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Start date

2000-02-28

(22)

Actual filing date

2000-02-28

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Published

2001-10-20

(72)

Inventor

Truskovskij V.I.Barkov L.A.Pavlov V.A.Chaplygin B.A.Sherkunov V.G.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Dom Zavody Urala"

UNIVERSAL SHEARING DIE Russian patent published in 2001 - IPC

Abstract RU 2174905 C1

FIELD: abrasive industry, namely, devices for cutting-out circular workpieces for grinding wheel. SUBSTANCE: die contains mandrel provided with elastic sow block and lower die shoe. Cover plate and inner circular punches with knockouts are mounted on the lower die shoe. The punches are provided with cutting edges, the chamfer of one of which is outward directed and the chamfer of the other one is inward directed. The cover plate encloses the outer circular punch. The circular punches project over the upper surface of the cover plate by the size of the cutting edges. EFFECT: facilitated manufacturing and reduced operation time. 3 cl, 2 dwg

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RU 2 174 905 C1

Authors

Truskovskij V.I.

Barkov L.A.

Pavlov V.A.

Chaplygin B.A.

Sherkunov V.G.

Dates

2001-10-20—Published

2000-02-28—Filed

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