Process and device for applying a thread to a support

B - Operations – Transporting – 29 – C

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B29C 70/22 (2006.01) B29C 70/16 (2006.01) B29D 30/38 (2006.01)

Patent

CA 2167557

Procédé et dispositif (1) pour apliquer un fil (3) sur un support (9) en donnant au fil (3) une forme sinueuse, caractérisés par les points suivants: a) on délivre le fil (3) avec une vitesse linéaire contrôlée de valeur V1; b) on déplace le fil (3) transversalement à sa direction de progression; c) on l'applique sur le support (9), le fil (3) et le support (9) au contact étant entraînés avec une vitesse linéaire V2 inférieure à V1; d) le taux de conformation du fil (3) est ainsi défini par le rapport V1/V2. Nappes obtenues avec le procédé et le dispositif (1) conformes à l'invention. Articles, notamment des enveloppes de pneumatiques, comportant de telles nappes.

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