System for producing resin molded article with spring structure

Details System for producing resin molded article with spring structure System for producing resin molded article with spring structure

2003-12-24

2008-05-27

Davis, Robert B. (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

Including means advancing continuous length work through...

C264S17800F, C425S308000, C425S377000, C425S382200, C425S464000

Reexamination Certificate

active

07377762

ABSTRACT:
The present invention relates to a resin-molded article with a spring structure, and to a method and apparatus for preparing a superficial layer of such a resin-molded article with a spring structure which has surfaces free from undulations, comprises fused filaments whose fusion is resistant to separation, maintains its cushioning activity and strength even after long use. A water flows from a cooling water outlet53binto a space between a water-permeating sheet55and an inclined plate51a. Some part of the flowing water C penetrates the water-permeating sheet55to appear on its top surface to form there an overlying current M on which receives lengthwise arranged peripheral continuous filaments, and agitates them to cause adjacent filaments to contact each other, to be entwined and gathered, thereby enabling the formation of a superficial layer of the three-dimensional structure3.

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