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2 147 984

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C1

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IPC

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Application

99103533/02, 1999-02-22

(24)

Start date

1999-02-22

(22)

Actual filing date

1999-02-22

(45)

Published

2000-04-27

(72)

Inventor

Truskovskij V.I.Barkov L.A.Pavlov V.A.Chaplygin B.A.Djatlov V.N.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Dom Abrazivnye Zavody Urala"

ABRASIVE TOOL MANUFACTURING BLANK AND DEVICE FOR ITS PRODUCTION Russian patent published in 2000 - IPC

Abstract RU 2147984 C1

FIELD: mechanical engineering. SUBSTANCE: blank is cut out of rolled plate. Cross section of blank is shaped as an ellipse and its large axis equals blank diameter, and small axis is 1.5-2.0 the rolled plate height. The device has spring-loaded pusher of blank obtained and upper hollow punch. Working ends of upper punch and blank pusher are made shaped with formation of required profile, for example, ellipse, in cross section in extreme position. The device also includes matrix consisting of base with ring. Lower cylindrical punch is positioned inside ring. Internal diameter of ring equals external diameter of blank. External diameter of lower punch is equal to diameter of upper punch hollow and to internal diameter of blank. Lower punch height exceeds ring height by value of blank height. Blank pusher is arranged in circular space of matrix which base between ring and lower punch is fitted with changeable rests. Ellipse-shaped cross-section of blank allows removal of spills in wheels during baling pressing. EFFECT: reduced power consumption. 3 cl, 3 dwg

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RU 2 147 984 C1

Authors

Truskovskij V.I.

Barkov L.A.

Pavlov V.A.

Chaplygin B.A.

Djatlov V.N.

Dates

2000-04-27—Published

1999-02-22—Filed

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