PERFORATED TAPES FOR MEDICAL APPLICATIONS
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United States of America Patent
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Issued Date -
Feb 1, 2024
app pub date -
Dec 9, 2021
filing date -
Dec 11, 2020
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Abstract
The disclosure is directed to methods, systems, and apparatus for obtaining flame-perforated films which reduce or eliminate skewing of perforations in such films caused by thermal creep, whereby the film has perforations arranged to provide controlled tear characteristics, especially in both the lengthwise or machine direction (MD), and the crosswise or transverse direction (TD).
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