Method of forming a polyurethane foam

Details Method of forming a polyurethane foam Method of forming a polyurethane foam

B - Operations, Transporting

29

C

B29C 44/60 (2006.01) B05B 7/12 (2006.01)

Patent

CA 2735668

A method of forming polyurethane foam from a resin component and an isocyanate component includes the use of at least one control valve (50) controlling a flow rate of at least one of the resin component and the isocyanate component. The method includes connecting lines having at least a 1 inch diameter to a housing of the control valve (50). The method also includes coupling a source of gas pressure to the line (29). At least one of the resin component and the isocyanate component is pressurized with the source of gas pressure (29) to move the resin and/or isocyanate component through the line and into the flow control device at a flow rate of between 5 and 70 gallons per minute.

Le procédé de formation d'une mousse polyuréthanne à partir d'un composant de résine et d'un composant isocyanate ci-décrit comprend l'utilisation d'au moins une vanne de commande régulant le débit du composant de résine et/ou du composant isocyanate. Le procédé comprend la connexion de conduites d'un diamètre d'au moins 1 pouce à un boîtier de la vanne de commande. Le procédé comprend également le couplage d'une source de gaz sous pression à la conduite. Le composant de résine et/ou le composant isocyanate sont mis sous pression par la source de gaz sous pression pour faire progresser la résine et/ou le composant isocyanate dans la conduite et l'introduire dans le dispositif de commande de flux à un débit entre 5 et 70 gallons par minute.

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