Foam plastics manufacturing method and machine

Details Foam plastics manufacturing method and machine Foam plastics manufacturing method and machine

B - Operations, Transporting

29

C

B29C 44/34 (2006.01) B29C 44/46 (2006.01) B29C 44/52 (2006.01)

Patent

CA 2418919

Production of foamed materials in a horizontal machine, and said machine itself, reactants being fed to a conveyor at one end of the machine and foam produced being removed at the other end, wherein the foam is generated in an expansion chamber defined at its inlet by a closed reactant feed zone, at its outlet by a body of foam already expanded or partly expanded, and laterally and vertically by travelling webs, the webs giving a diverging cross section to the chamber.

L'invention concerne la production de matériaux expansés dans une machine horizontale, et ladite machine. On alimente de réactifs une transporteuse à une extrémité de la machine et on retire la mousse ainsi produite à l'autre extrémité. La mousse est produite dans une chambre d'expansion définie, à son entrée, par une zone d'alimentation de réactif fermée et, à sa sortie, par un corps déjà expansé ou partiellement expansé, ainsi que latéralement et verticalement par des bandes mobiles qui confèrent à la chambre une section transversale divergente.

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