Elastic film and method for producing an elastic layer material
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United States of America
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Jan 21, 2025
Grant Date -
Jan 19, 2023
app pub date -
Sep 19, 2022
filing date -
Sep 19, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
An elastic film has a perforation formed by perforation holes that are elongated along a preferred expanding direction in the unexpanded state, wherein the ratio of the length of the perforation holes determined along the preferred expanding direction to a width of the perforation holes determined perpendicular thereto amounts to at least 3:2. The elongation at break along the preferred expanding direction is at least twice as high as the elongation at break determined perpendicular thereto along the width of the perforation holes.
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