Global Patent Index - EP 1008721 A1

EP 1008721 A1 2000-06-14 - Cutting or crushing tool and cutting insert therefor

Title (en)

Cutting or crushing tool and cutting insert therefor

Title (de)

Schneid- oder Brechwerkzeug sowie Schneideinsatz für dieses

Title (fr)

Outil de coupe ou de creusement et plaquette de coupe associée

Publication

EP 1008721 A1 (DE)

Application

EP 99124172 A

Priority

DE 19857451 A

Abstract (en)

Clearing surfaces (5), spread round the crossover part of the cutter tip (1), adjoin one another to form clearing and cutting edges (6). The surfaces are concave and so angled as to form an acute angle (alpha) with the tool axis (7). The surfaces are radiused where they enter the foot (4). The head of the tool body also has surfaces (13) spread round it, also adjoining to form edges (14) and the clearing and cutting edges of the cutter tip are offset to those of the tool body.

Abstract (de)

Schneideinsatz (1) für ein um eine Längsachse (7) drehbar in einen Werkzeughalter einzubauendes Schneid- oder Brechwerkzeug, insbesondere für einen Drehmeißel, mit einer im wesentlichen konischen Spitze (2), einem Übergangsbereich (3) und einem Fuß (4) zur Verbindung mit einem Werkzeugkörper (10), wobei der Übergangsbereich (3) über seinen Umfang verteilt mehreres Räumflächen (5) aufweist, die unter Ausbildung von Räum- und Schneidkanten (6) aneinandergrenzen. <IMAGE>

IPC 1-7 (main, further and additional classification)

E21C 35/183

IPC 8 full level (invention and additional information)

E21B 10/46 (2006.01); E21B 10/56 (2006.01); E21C 35/183 (2006.01); E21C 35/18 (2006.01)

CPC (invention and additional information)

E21C 35/183 (2013.01); E21C 2035/1816 (2013.01); E21C 2035/1826 (2013.01); Y10T 407/12 (2013.01); Y10T 407/1962 (2013.01); Y10T 407/235 (2013.01)

Citation (search report)

Designated contracting state (EPC)

BE DE ES FR GB IT NL

EPO simple patent family

EP 1008721 A1 20000614; EP 1008721 B1 20020821; DE 19857451 A1 20000615; ES 2182450 T3 20030301; JP 2000179275 A 20000627; US 2002164215 A1 20021107; US 6354771 B1 20020312; US 7455484 B2 20081125

INPADOC legal status


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- Owner name: ELEMENT SIX HOLDING GMBH

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