B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
B26D 1/28 (2006.01) B26D 3/00 (2006.01)
Patent
CA 2620454
A device and a method for manufacturing a thermoplastic resin film product of any width having a small film thickness and a uniform flat surface continuously with an excellent yield. The device for spirally cutting a tubular resin film (1a) and winding up a long film (1b) comprises a cutting device having a cutting member (2) cutting the tubular resin film (1a), a windup device (4) winding up the cut long film, and a guide roll (3) guiding the cut long film (1b) to the windup device. Furthermore, the cutting and winding device comprises a mechanism for rotating the cutting member (2) and the guide roll (3) in the circumferential direction of the tubular resin film.
Appareil et procédé de fabrication continue d~un film en résine thermoplastique d~une largeur quelconque présentant une faible épaisseur et une surface plane uniforme, offrant un excellent rendement. L~appareil de découpe d~un film en résine tubulaire (1a) et d~enroulement d~un long film (1b) comprend un dispositif de découpe en spirale comportant un élément de découpe (2) qui découpe le film en résine tubulaire (1a), un dispositif d~enroulement (4) qui enroule le long film découpé, et un rouleau de guidage (3) qui guide le long film découpé (1b) jusqu~au dispositif d~enroulement. L~appareil de découpe et d~enroulement comprend en outre un mécanisme servant à entraîner en rotation l~élément de découpe (2) et le rouleau de guidage (3) dans la direction circonférentielle du film en résine tubulaire.
Ikenaga Masanori
Maruyama Toyotaro
Takeuchi Takeshi
Marks & Clerk
Sumitomo Bakelite Co. Ltd.
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