Patent ID: 7754038
Filing Date: 2010-07-13
Classification: B29C,B29K,B29L

Abstract:
1. A method for assembling a reel, the method comprising: selecting a tube formed of a first thermoplastic characterized by a first melt index and having a first end and a second end; forming a first flange of a second thermoplastic characterized by a second melt index distinct from the first melt index; the forming the first flange, further comprising forming a containment region thereof characterized by first and second portions, the first portion beginning at a surface and extending a thickness in a radial direction in which the first portion melts during the assembly, the second portion remaining unmelted and constraining the first portion against escape in a direction away from the surface; applying substantially continuous, relative, rotary motion of the tube and flange with respect to one another through at least a full circle of rotation; interfering the tube with the first portion of the containment region axially and circumferentially by simultaneous, axial and circumferential, relative motion of the tube and flange with respect to one another during the at least full circle of rotation.