Method for producing a corrugated stretch laminate

Details Method for producing a corrugated stretch laminate Method for producing a corrugated stretch laminate

A - Human Necessities

61

F

A61F 13/15 (2006.01) B29C 55/02 (2006.01) B29C 55/14 (2006.01) B29C 55/18 (2006.01)

Patent

CA 2583462

A process for making a corrugated stretch laminate comprising the steps of providing a first carrier web having a first surface and a second surface; applying a first elastomeric composition in a fluid or molten state to the first surface of the carrier web to form at least one first elastic member; incrementally stretching in a first direction at least a portion of the carrier web to form a stretch composite preform; elongating the stretch composite preform in the first direction; joining a first substrate to the elongated stretch composite preform; and allowing the elongated stretch composite preform to recover to form said corrugated stretch laminate.

L'invention porte sur un procédé de fabrication d'un stratifié extensible ondulé consistant à: utiliser une première toile porteuse dotée d'une première surface et d'une deuxième surface ; à appliquer une première composition élastomérique liquide ou fondue sur la première surface de la toile porteuse pour former au moins un premier élément élastique ; à étirer progressivement dans une première direction au moins une partie de la toile porteuse pour former une préforme de composite extensible; à étirer la préforme de composite extensible dans la première direction ; à assembler un premier support à la préforme de composite extensible étirée ; et à permettre la restitution de la préforme de composite extensible étirée pour former ledit stratifié extensible ondulé.

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