Patent ID: 6939281
Filing Date: 2005-09-06
Classification: B65B,B65D,Y10S

Abstract:
1. A method of automatically forming bags fitted with complementary closure strips secured to distinct support webs and associated with an actuating slide, comprising: at least one film suitable for forming walls of the bags is supplied continuously; a closure assembly comprising complementary closure strips secured to distinct lateral, support webs which extend beyond the complementary closure strips is supplied continuously, the complementary closure strips being associated with slides for actuating the complementary closure strips, the slides being distributed along a length of the closure assembly as supplied, the closure assembly is fixed via external lateral support webs, to the at least one film forming the walls of the bags; wherein: a loop is made in the continuously supplied at least one film, and inside a concave portion of the loop, the closure assembly is fixed to a surface of the at least one film that corresponds to an outside surface of the bags.