Patent ID: 6733270
Filing Date: 2004-05-11
Classification: B29C,B29K,B29L,Y10S

Abstract:
A device for shape-forming at least one recess in a film material comprises: a die with at least one opening therein; at least one shaping stem operative to be introduced into said opening to create said recess by shape-forming; a clamping facility for holding the film material fast between the clamping facility and the die; and at least one counter-stem situated in said die and displaceable at least within the die opening wherein the shape-forming region of the shaping stem and the counter-stem at least partially superimpose on each other for clamping the film material therebetween, and further including means for moving the shaping stem and the counter-stem in the same direction while clamping the film material during at least a portion of the shape forming of the at least one recess.