Mitsubishi Kasei Kogyo Kabushiki Kaisha

Susumu Sawada

Minoru Tanaka

Ikuo Sukekawa

Ryuzo Ebina

Yoshikazu Yoshida

Masamichi Sugiyama

In a method and apparatus for fusing together thermoplastic synthetic resin molded articles wherein opposing ends of the molded articles are melted and then fused together under pressure, gaps are formed between holding mechanisms holding respective molded articles and moving mechanisms for moving the molded articles away from a heating plate so as to apply a percussive force upon the holding mechanisms by the movement of the moving mechanisms.

Method and apparatus for fusing together thermoplastic synthetic resin

In welding apparatus of the type comprising a pair of opposed pressing boards, and a heated platen inserted into and retracted from a space between the pressing boards and the surfaces of the articles to be welded together are fused by the heated platen and then welded together by applying a pressure to the articles, there are provided holding mechanisms for holding the article at the opposing surfaces of the pressing boards and a spacer for defining predetermined gaps between the heated platen and the pressing boards.

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Machida, Japan

Susumu Sawada