Patent ID: 6953542
Filing Date: 2005-10-11
Classification: A44B,B29D,B65D,Y10T

Abstract:
1. A process for forming a longitudinally extending interlocking closure device with stepped deflections so that the occlusion and peel force of the closure device is cycled intermittently over the length of the closure device, the process comprising: extruding first and second fastening strips, said first fastening strip having a male closure element and said second fastening strip have a female closure element; interlocking said fastening strips such that said male closure element engages said female closure element; and deforming the fastening strips while interlocked to provide a series of intermittent stepped deflections such that stepped deflections formed in the male closure element are in substantially congruent and interdigitating relation with corresponding stepped deflections formed in the female closure element.