METHOD FOR MANUFACTURING BRAKE SHOE SHAPED IN CIRCULAR ARC

PROBLEM TO BE SOLVED: To provide a method for manufacturing at low cost a brake shoe having a shape of circular arc economically and through simple procedures being free of gap generation in the central part of the top surface having a T-shape by lessening the materials to be disposed of as much as...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIMURA HIROSHI, TSUNODA HIKOO, MIDORIKAWA ATSUSHI
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL BLASTING BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for manufacturing at low cost a brake shoe having a shape of circular arc economically and through simple procedures being free of gap generation in the central part of the top surface having a T-shape by lessening the materials to be disposed of as much as practicable. SOLUTION: The invention applies to the method for manufacturing the brake shoe shaped in a circular arc formed so that a short block-form metal A having such dimensions as able to produce a single brake shoe in a shape of circular arc is subjected to drawing to be processed into a T-shape consisting of a flat portion and a protruding portion perpendicular thereto, to yield a metal processed article having a shape of circular arc in which the mentioned protruding part should lie inside, and a friction member is secured fast to or molded in a single piece with the flat portion of the outside surface of the metal processed article, and also a brake shoe manufacturing method whereby a friction member is secured fast to or molded in a single piece with the flat portion of the outside surface of the metal processed article in a shape of circular arc fabricated using a short block-form metal B having dimensions to allow establishment of a single brake shoe in a shape of circular arc and a long block-form metal having dimensions able to produce a plurality of brake shoes in a shape of circular arc. COPYRIGHT: (C)2007,JPO&INPIT