Process for the production of a thermosetting laminate

Details Process for the production of a thermosetting laminate Process for the production of a thermosetting laminate

B - Operations, Transporting

32

B

B32B 29/00 (2006.01) B32B 5/28 (2006.01)

Patent

CA 2302620

Process for the production of a thermosetting laminate made of a number of continuous paper webs impregnated with a thermosetting resin. The dry webs are fed continuously between an upper and a lower press belt (101 and 102 respectively) of a continuous double belt press (100). The continuous paper webs are divided into at least two groups (10) each consisting of at least two sheets of which at least one is impregnated with a thermosetting resin. One or more separation sheets (1) are placed between the groups (10) of paper webs.

L'invention concerne un procédé de production d'un stratifié thermodurcissable constitué par un certain nombre de bandes continues de papier imprégnées d'une résine thermodurcissable. Les bandes sèches sont amenées en continu entre des courroies supérieure (101) et inférieure (102) d'une presse continue à double courroie (100). Les bandes continues de papier sont divisées en au moins deux groupes (10), chacun d'eux consistant en au moins deux feuilles, dont au moins une est imprégnée d'une résine thermodurcissable. Une ou plusieurs feuilles de séparation (1) sont placées entre les groupes (10) de bandes de papier.

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