Tool for cold rolling sheet material

A tool (20) for cold rolling sheet material having a base gauge G, the tool (20) being cylindrical and having a longitudinal axis and having rows (R12, R13) of teeth (30, 130, 230, 330, 430, 630) extending from the circumferential surface, each tooth (30, 130, 230, 330, 430, 630), having a rounded s...

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Bibliographische Detailangaben
Hauptverfasser:	CASTELLUCCI, MICHAEL, HUMPAGE, ROY, DEELEY, GEOFFREY THOMAS
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	BUILDING BUILDING MATERIALS FIXED CONSTRUCTIONS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL STRUCTURAL ELEMENTS TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A tool (20) for cold rolling sheet material having a base gauge G, the tool (20) being cylindrical and having a longitudinal axis and having rows (R12, R13) of teeth (30, 130, 230, 330, 430, 630) extending from the circumferential surface, each tooth (30, 130, 230, 330, 430, 630), having a rounded sheet engaging surface (36, 63) with a first radius of curvature R at and adjacent the peak (11, 31 a, 41 a, 61 a) of each tooth (30, 130, 230, 330, 436, 630), the radius of curvature R extending in a direction between the longitudinal axis and 90° thereto the pitch between adjacent teeth (30, 130, 230, 330, 430, 630) in a row being at least 3 R..