Method and device for forming conical tube casings

Details Method and device for forming conical tube casings Method and device for forming conical tube casings

B - Operations, Transporting

21

D

B21D 51/10 (2006.01) B21C 37/18 (2006.01) B21D 5/06 (2006.01)

Patent

CA 2380634

The aim of the invention is to form conical tubes out of sheet metal plates. A matrix (1) is provided with a conical cavity (2). A conical mould can dive into said cavity and is guided into the matrix along a curve (A). Conical tube casings can thus be produced easily.

L'invention concerne une matrice (1) destinée au moulage de feuilles de tôles en enveloppe de tuyaux coniques, comportant une chambre creuse conique (2) dans laquelle un poinçon (4) peut plonger. Ce piston est introduit dans la matrice le long d'une courbe (A). De cette manière, des enveloppes de tuyaux coniques peuvent être fabriquées simplement.

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