Manufacturing method for a resin roll

Details Manufacturing method for a resin roll Manufacturing method for a resin roll

B - Operations, Transporting

29

C

B29C 65/48 (2006.01) B41N 7/00 (2006.01) C08J 5/12 (2006.01) C09J 5/06 (2006.01) B29C 35/02 (2006.01) B29C 63/18 (2006.01) B29C 63/48 (2006.01) B29C 65/54 (2006.01)

Patent

CA 2461246

A basic manufacturing method for a resin roll which includes a procedure wherein a synthetic resin outer cylinder, molded in the shape of a cylinder, is arranged so as to cover the outer surface of a metal core. The space formed between the metal core and the outer cylinder is then filled with a thermoset adhesive, which is hardened to integrate the constituents into one piece. The manufacturing method for a resin roll has an additional feature in that integration of the constituents into one piece through bonding is performed by first hardening the adhesive in a state where the outer cylinder is held at a first temperature followed by the adhesive being heated at a second temperature higher than the first temperature for second hardening.

L'invention concerne un procédé permettant de produire des rouleaux de résine. Ce procédé comprend, comme préambule, les étapes consistant à disposer un cylindre extérieur (1) constitué d'une résine synthétique de façon qu'il recouvre la périphérie extérieure d'un noyau métallique (2), à remplir l'espace situé entre le noyau métallique (2) et le cylindre extérieur (1) d'un adhésif thermodurcissable (3) et à laisser durcir ledit adhésif (3) afin de lier et d'agréger le tout. Pour accomplir cette liaison et cette agrégation, il faut soumettre l'adhésif à un durcissement primaire, tout en maintenant le cylindre extérieur (1) à une première température, puis il faut chauffer l'adhésif (3) à une seconde température, plus élevée que la première, afin de soumettre l'adhésif à un durcissement secondaire.

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