PRESS-MOLD FOR MAKING ABRASIVE TOOL Russian patent published in 2004 - IPC

Abstract RU 2236342 C2

FIELD: manufacture of grinding and polishing discs with vulcanite binder.

SUBSTANCE: press-mold includes upper molding plate in the form of blanking punch, ring and lower molding plate mounted in said ring with possibility of motion and having mandrel. Ring and mandrel are built-up ones. Upper part of ring being removable die for blanking annular blank along outer diameter is provided with stripper in the form of sleeves with screws. Sleeves are passed with gap through openings of lugs provided in lateral surface of blanking punch. Screws are provided with lock nuts and they have flange in upper portion.

EFFECT: more comfortable usage of press-mold, reduced number of manual operations.

2 dwg

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RU 2 236 342 C2

Authors

Djatlov V.N.

Truskovskij V.I.

Barkov L.A.

Sherkunov V.G.

Chaplygin B.A.

Pavlov V.A.

Dates

2004-09-20—Published

2002-09-11—Filed