Global Patent Index - EP 1075909 A1

EP 1075909 A1 2001-02-14 - Cutting knife

Title (en)

Cutting knife

Title (de)

Schneidmesser

Title (fr)

Lame de coupe

Publication

EP 1075909 A1 (DE)

Application

EP 00110815 A

Priority

DE 19938115 A

Abstract (en)

Cutting knife has a fixing part with a receiver for fixing to an oscillating drive; a cutting part (22) with a cutter (28, 30); and a number of flat layers (34, 36, 38, 40) joined together, at least two of these layers being made of a metallic material. An Independent claim is also included for a process for the production of the cutting knife comprising producing a number of thin layers (34, 36, 38, 40); hot-joining the layers, preferably by forging to produce a metallic green body for the knife; heat treating by hardening or tempering; and post-processing the green body by grinding and/or polishing.

Abstract (de)

Es wird ein Schneidmesser und ein Verfahren zum Herstellen eines solchen Schneidmessers angegeben, das zum Durchtrennen von zähen, elastischen Materialien, insbesondere von Klebewulsten an Fensterscheiben von Fahrzeugen geeignet ist und ein Befestigungsteil sowie eine Befestigungsaufnahme zur Befestigung an einem Oszillationsantrieb aufweist sowie ein Schneidteil (22) mit zumindest einer Schneide (28, 30). Das Schneidmesser besteht aus einer Mehrzahl von flächig miteinander verbundenen Schichten (34, 36, 38), die vorzugsweise durch Verschmieden miteinander verbunden sind. Zusätzlich oder alternativ hierzu kann eine äußere verschleißfeste Schicht (40) vorzugsweise durch thermisches Spritzen aufgetragen sein. Das Schneidmesser zeichnet sich durch eine verbesserte Elastizität und erhöhte Biegebruchfestigkeit in Kombination mit verbesserten Schneideigenschaften aus. <IMAGE>

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

B26B 7/00; B26B 9/00; B26D 1/00; B26D 7/08

IPC 8 full level (invention and additional information)

B26B 7/00 (2006.01); B26B 9/00 (2006.01); C23C 4/10 (2006.01)

CPC (invention and additional information)

B26D 7/086 (2013.01); B26B 7/00 (2013.01); B26B 9/00 (2013.01); B26D 2001/002 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1075909 A1 20010214; EP 1075909 B1 20021120; AT 228045 T 20021215; DE 19938115 A1 20010222; ES 2187410 T3 20030616; JP 2001120858 A 20010508; US 6422110 B1 20020723

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