Process and apparatus for continuous production of foam sheets

Details Process and apparatus for continuous production of foam sheets Process and apparatus for continuous production of foam sheets

B - Operations, Transporting

29

C

B29C 67/04 (2006.01) B29C 67/20 (2006.01) C08J 5/18 (2006.01) C08J 9/232 (2006.01)

Patent

CA 2586224

Foam sheets are continuously produced by metering foam particles, which are free of any added binder or adhesive, from a storage location onto a moving conveyor at a controlled volumetric rate so as to continuously form a layer of the particles on the conveyor, heating the layer of particles to a temperature sufficient to render the particles tacky such that the particles adhere to one another so as to form a substantially integral sheet, compressing the sheet with a compression device that applies pressure on the advancing sheet so as to compress the sheet to a smaller thickness and enhance the integrity of the sheet; and cooling the compressed sheet.

Des feuilles de mousse sont continuellement produites par injection mesurée de particules de mousse, qui sont exemptes de tout liant ou adhésif ajouté, à partir d'un emplacement de stockage vers un convoyeur se déplaçant à un débit volumétrique contrôlé de manière à ce qu'une couche de particules soit constamment formée sur le convoyeur; la couche de particules est chauffée à une température suffisante pour rendre les particules collantes de sorte qu'elles adhèrent les unes aux autres de manière à former une feuille sensiblement complète; la feuille est comprimée par un dispositif de compression qui applique une pression sur la feuille qui avance de manière à la comprimer à une plus petite épaisseur et améliorer l'intégrité de la feuille; la feuille comprimée est refroidie.

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