METHOD OF AND APPARATUS FOR DEEP-DRAWING OF A CONTAINER OR THE LIKE FROM AN ALUMINIUM MATERIAL

摘要

INVENTION: A METHOD OF AND APPARATUS FOR DEEP-DRAWING OF A CONTAINER OR THE LIKE FROM AN ALUMINIUM MATERIAL A method of and apparatus for producing a container or the like by deep-drawing a flat blank of a sheetlike aluminium material. The blank is deep-drawn by means of a first drawing stroke into a cylindrical container blank and brought into its final shape by means of a counter drawing stroke, whereby the inner wall and outer wall of the cylindrical container maintain their positions. The apparatus comprises two telescoping dies with oppositely directed working strokes, between which dies there is arranged at least one drawing ledge.