METHOD AND DEVICE FOR PRODUCING HARD-METAL PRESSED ARTICLES

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United States of America Patent

APP PUB NO 20240316633A1
SERIAL NO

18736884

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method for manufacturing hard-metal pressed articles includes providing a die that forms a cavity for producing a pressed article with at least one cutting edge and at least one chip breaker groove that is associated with a chip space. The step of providing the die providing a movable mold part and a movable mold body. The mold part has an operative surface, wherein the mold part at least sectionally defines the shape of a pressed article with the operative surface, and wherein the mold part is feedable in a first feed direction. The mold body has a rod-shaped operative section for producing a through-hole in the pressed article, wherein the mold body is feedable in a second feed direction. The first feed direction and the second feed direction are inclined at an angle of at least 45° to each other. The pressed article is formed from a hard-metal powder that is introduced into the cavity and compressed there in at least one main pressing direction. Forming the pressed article comprises feeding the mold part and the mold body such that the mold body is positioned in the cavity with the operative section being disposed in an abutment area on the mold part in a powder-tight relative position. A device enables the manufacture of hard-metal pressed articles.

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Patent Owner(s)

Patent OwnerAddress
HORN HARTSTOFFE GMBH72072 TÜBINGEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
FEISTRITZER, Stefan Gomaringen, DE 4 17
HERMES, Dieter Rottenburg, DE 3 4

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