Sheet Material

A tool for cold forming sheet material, the tool comprises rows of teeth on its outer surface, wherein each tooth has a rounded sheet engaging surface with a radius of curvature R, the pitch P between adjacent teeth in a row being between 2.5 and 3.9 times the radius of curvature R.

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Bibliographische Detailangaben
Hauptverfasser:	GEOFFREY THOMAS DEELEY, ROY HUMPAGE
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A tool for cold forming sheet material, the tool comprises rows of teeth on its outer surface, wherein each tooth has a rounded sheet engaging surface with a radius of curvature R, the pitch P between adjacent teeth in a row being between 2.5 and 3.9 times the radius of curvature R.