Process for introducing perforations into laminates comprising silicone gels

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11919190
SERIAL NO

17433686

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Abstract

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Described is a process for introducing perforations in a laminate that comprises a silicone gel. The process includes the following steps: bringing an array of perforating elements in contact with a deformable layer of a laminate that at least includes a substrate layer, a layer comprising a silicone gel and a deformable layer, wherein said deformable layer covers said layer including the silicone gel; applying ultrasonic energy to said laminate in order to simultaneously introduce a plurality of perforations into said laminate, while providing deformed portions in said deformable layer, wherein said deformed portions penetrate into the plurality of perforations in said laminate; after having introduced said plurality of perforations into said laminate, keeping said deformable layer in contact with said layer including the silicone gel, such that said deformed portions remain penetrating into said plurality of perforations, for at least 12 hours.

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Patent Owner(s)

Patent OwnerAddress
MOLNLYCKE HEALTHCARE ABGAMLESTADSVAGEN 3C GOTEBORG SE-402 52

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Johannison, Ulf Landvetter, SE 34 1175

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