Perforated absorptive pad and method of fabrication

Details Perforated absorptive pad and method of fabrication Perforated absorptive pad and method of fabrication

B - Operations, Transporting

65

D

B65D 81/26 (2006.01)

Patent

CA 2116316

An absorbent pad for use with meat and poultry products in retail sale packages has a laminated tissue absorbent mat sandwiched and sealed between upper and lower plastic sheets. The pad is perforated by penetration of perforating pins entirely through the pad to develop a series of holes for the passage of liquid from the meat package into the absorbent mat inside the pad. A myriad of outwardly projecting tufts of tissue material are developed along the underside of the pad by the perforating pins. These tufts develop a wicking effect which enhances the capillary action of the tissue layers inside the pad. Methods of fabrication of the individual pads and continuous linear absorbent sheet material are also disclosed.

Tampon absorbant, utilisé dans les emballages de vente au détail des produits de viande et de poulet, constitué d'un coussinet absorbant laminé, scellé entre une feuille de plastique supérieure et une feuille de plastique inférieure. Le tampon est perforé à l'aide d'aiguilles, qui le traversent complètement et qui forment une série de trous destinés à laisser passer le liquide d'un paquet de viande jusque dans le coussinet absorbant. Le procédé de perforation provoque également la formation d'une multitude de touffes de matériel absorbant, lesquelles se prolongent à l'extérieur de la surface inférieure du tampon. Ces touffes agissent comme des mèches, ce qui accroît l'action capillaire des couches de matériau absorbant contenues dans le tampon. La présente invention fait aussi état de méthodes pour la fabrication individuelle des tampons et la fabrication en feuilles continues du matériau absorbant.

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