PERFORATION FORMING BLADE

PERFORATION FORMING BLADE

PROBLEM TO BE SOLVED: To provide a perforation forming blade which can form perforations while preventing a transverse fissure, without degrading rupture property. SOLUTION: The perforation forming blade is formed of a cemented carbide or the like, and consists of a disk-shaped base portion having a...

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1. Verfasser: SATO KATSURA
Format: Patent
Sprache:eng
Schlagworte:
CUTTING
DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING
HAND CUTTING TOOLS
PERFORMING OPERATIONS
SEVERING
TRANSPORTING
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creator SATO KATSURA
description PROBLEM TO BE SOLVED: To provide a perforation forming blade which can form perforations while preventing a transverse fissure, without degrading rupture property. SOLUTION: The perforation forming blade is formed of a cemented carbide or the like, and consists of a disk-shaped base portion having a center hole formed therein, with a thickness of 0.6 mm, and a number of cutting blades serially formed on the periphery of the base portion in a manner protruding radially outward at regular intervals. Each cutting blade 12 consists of a prismatic main body 13 having a square cross section, and a wedge-shaped cutting edge 14 formed by cutting away distal end portions of the main body 13. Herein the main body 13 is formed such that a pair of ridges 13a, 13a located on one of diagonals face in a circumferential direction of the base portion. COPYRIGHT: (C)2005,JPO&NCIPI
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subjects CUTTING
DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING
HAND CUTTING TOOLS
PERFORMING OPERATIONS
SEVERING
TRANSPORTING
title PERFORATION FORMING BLADE
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