| 摘要 |
A method and apparatus for manufacturing padded or cushioned straps having a main structural strap member adatped to be fastened to a surface, a vinyl wrap or cover and a foam cushion material intermediate the vinyl wrap and the strap member. The method of the present invention includes the steps of (1) longitudinally tensioning the vinyl wrap, (2) positioning the foam cushioning material and the strap member on the vinyl wrap, (3) compressing the foam and securing the components in position by applying a force across the strap member and the vinyl wrap, (4) wrapping and transversely tensioning the vinyl wrap about the foam member and the strap member so that the longitudinal edges are opposed, (5) maintaining the vinyl wrap in transverse tension and maintaining the position of the components, (6) positioning a trim strip across the opposed longitudinal edges of the vinyl wrap, (7) joining the trim strip to the vinyl wrap by dielectric heating of the trim strip and the vinyl wrap, (8) bending the assembled strap to an appropriate shape, and (9) heating the assembled strap to shrink the vinyl wrap. The apparatus disclosed herein provides a convenient structure for practicing the above method.
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