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2 136 471

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IPC

(21) (22)

Application

98106326/02, 1998-04-06

(24)

Start date

1998-04-06

(22)

Actual filing date

1998-04-06

(45)

Published

1999-09-10

(72)

Inventor

Bogatyrev S.A.Vorotnikov I.L.Gutuev M.Sh.Rudik F.Ja.

(73)

Holder

Bogatyrev Sergej Arkad'EvichVorotnikov Igor' LeonidovichGutuev Magomed ShajkhovichRudik Feliks Jakovlevich

DIE FOR RESTORATION OF CROSS-SHAPED KNIVES Russian patent published in 1999 - IPC

Abstract RU 2136471 C1

FIELD: repair production. SUBSTANCE: die has composite matrix positioned in body, punch and wedges interacting with horizontal punches mounted in body and provided with diverting springs and limiters. Pushing-out part of matrix interacting with pusher and punch are proved with projections having similar chamfers directed opposite to each other. These projections are joined with vertical surfaces of recesses along radius. Deforming projections of horizontal punches have rounding in cross section. Radius of rounding and value of horizontal punch operating stroke are determined by presented dependences. EFFECT: improved quality of restoration. 6 dwg

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RU 2 136 471 C1

Authors

Bogatyrev S.A.

Vorotnikov I.L.

Gutuev M.Sh.

Rudik F.Ja.

Dates

1999-09-10—Published

1998-04-06—Filed