Method for making fabric covered foam cushions utilizing a...

B - Operations – Transporting – 68 – G

Patent

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Details

B68G 5/00 (2006.01) A47C 7/18 (2006.01) B29C 63/22 (2006.01) B68G 7/05 (2006.01)

Patent

CA 2081733

A method for making a fabric covered foam cushion utilizing a pre-formed foam pad enclosed within a fabric bag. The subject method includes pre-attaching an adhesive film (12) to a pre-formed foam pad (10) and subsequently inserting the foam pad (10) within a fabric bag (14) so that the adhesive film (12) is sandwiched between a portion of the inside of the fabric bag (14) and a portion of the outside of the foam pad. Steam is forced through the fabric bag (14) to disperse and activate the adhesive film (12) so that the adhesive film (12) forms a pervious bond between the fabric bag (14) and the foam pad (10). Following the application of steam, vacuum pressure is applied to the cushion in order to cool and cure the adhesive and also to draw residual moisture from the cushion.

éthode pour fabriquer un coussinet mousse recouvert de tissu en utilisant un coussinet mousse préformé compris à l'intérieur d'un sac en tissu. La méthode inclut la fixation préalable d'une pellicule adhésive (12) à un coussinet mousse préformé (10) et par la suite l'insertion du coussinet mousse (10) à l'intérieur d'un sac en tissu (14) de façon à ce que la pellicule adhésive (12) soit intercalée entre une partie de l'intérieur du sac en tissu (14) et une partie de l'extérieur du coussinet mousse. De la vapeur est forcée à travers le sac en tissu (14) pour disperser et activer la pellicule adhésive (12) afin que cette dernière (12) forme un lien perméable entre le sac en tissu (14) et le coussinet mousse (10). Après l'application de la vapeur, une pression par le vide est appliquée au coussinet afin de refroidir et de polymériser la pellicule adhésive et aussi de retirer l'excès d'humidité du coussinet

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