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1.发明授权公开(公告)号：US12043451B2
公开(公告)日：2024-07-23
申请号：US17570142
申请日：2022-01-06
发明人： Sarah J Steenblock , Edward B Tucker , Matthew W Waldron , Lehai Minh Pham Vu , John Prusinski , Shaun T Broering , Deborah K Fix , Justin Zickus , David A Bailey , Jason R Maxwell , Michael G Borchardt
摘要： One or more implementations of a multi-film thermoplastic bag with a conjoined hem channel. For example, the multi-film thermoplastic bag includes a multi-film hem channel. Bonds secure the layers of the hem channel together so as to prevent a drawtape from inverting or bunching an inner layer of the hem channel during cinching. The bonds are thus located in a hem channel of a multi-film thermoplastic bag so as to reduce an amount of mechanical engagement between the films of the multi-film thermoplastic bag and another thermoplastic film such as a drawtape. In one or more implementations, a grab zone of the multi-film thermoplastic bag also includes bonds in the form of contact areas to provide tactile and visual cues of strength in the grab zone.
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2.发明申请公开(公告)号：US20220219864A1
公开(公告)日：2022-07-14
申请号：US17570142
申请日：2022-01-06
发明人： Sarah J. Steenblock , Edward B. Tucker , Matthew W. Waldron , Lehai Minh Pham Vu , John Prusinski , Shaun T. Broering , Deborah K. Fix , Justin Zickus , David A. Bailey , Jason R. Maxwell , Michael G. Borchardt
摘要： One or more implementations of a multi-film thermoplastic bag with a conjoined hem channel. For example, the multi-film thermoplastic bag includes a multi-film hem channel. Bonds secure the layers of the hem channel together so as to prevent a drawtape from inverting or bunching an inner layer of the hem channel during cinching. The bonds are thus located in a hem channel of a multi-film thermoplastic bag so as to reduce an amount of mechanical engagement between the films of the multi-film thermoplastic bag and another thermoplastic film such as a drawtape. In one or more implementations, a grab zone of the multi-film thermoplastic bag also includes bonds in the form of contact areas to provide tactile and visual cues of strength in the grab zone.
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