SLITTER KNIFE

PROBLEM TO BE SOLVED: To provide a slitter knife which is inexpensive and has a long life.SOLUTION: A slitter knife 10 is formed of a first steel and a clad steel which consists of a second steel having a smaller crystal grain size than the first steel. The slitter knife 10 comprises a middle layer...

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Bibliographische Detailangaben
Hauptverfasser:	INOUE YOSHIHIRO, NISHIO SATORU, WATABE TOMOAKI
Format:	Patent
Sprache:	eng
Schlagworte:	BROACHING CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING FILING HAND CUTTING TOOLS LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOTOTHERWISE PROVIDED FOR MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PLANING SAWING SCRAPING SEVERING SHEARING SLOTTING TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a slitter knife which is inexpensive and has a long life.SOLUTION: A slitter knife 10 is formed of a first steel and a clad steel which consists of a second steel having a smaller crystal grain size than the first steel. The slitter knife 10 comprises a middle layer 14 which consists of the first steel and a pair of outer layers 16,16 which are arranged on both sides of the middle layer 14 and consist of the second steel. The pair of outer layers 16,16 are formed in a symmetrical shape sandwiching the middle layer 14, and cutting blade 18 is provided for both outer layers 16,16.