Automatic pressure and temperature control apparatus and...

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 35/04 (2006.01) B29D 30/06 (2006.01)

Patent

CA 2577227

An automatic pressure and temperature control apparatus and method for use in curing tire assemblies including retread tire assemblies is provided. Using water as a heating medium, a new process control method and apparatus is described that allows a more precise control of process variables during steady state conditions such that heat transfer is improved and the undesirable formation of steam is eliminated. Existing processes and equipment for curing tire assemblies can be modified, using the teaching disclosed herein, to implement and achieve the benefits of the present invention.

Il est proposé un appareillage de contrôle automatique de la pression et de la température et le procédé destiné à son utilisation pour la vulcanisation d'assemblages de pneus (50), dont les assemblages de pneus rechapés. En utilisant de l'eau comme milieu chauffant, le nouveau procédé et appareil de contrôle du processus emploient un réservoir d'expansion si la pression de l'eau mesurée est inférieure à la pression de consigne, permettant ainsi un contrôle plus précis des variables de traitement dans des états stationnaires de manière à améliorer le transfert de chaleur et éliminer la formation indésirable de vapeur. Les processus et équipements existants destinés à la vulcanisation d'assemblages de pneus peuvent être modifiés en utilisant l'enseignement ci-décrit afin de permettre la mise en oeuvre et l'exploitation des avantages de la présente invention.

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