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公开(公告)号：US20210031487A1
公开(公告)日：2021-02-04
申请号：US16940926
申请日：2020-07-28
申请人： Tobias WAGNER , Sebastian SOMMER , Patrick BOHL , Andreas ROESNER , Hans-Georg GEUS , Gerold LINKE , Bernd KUNZE
发明人： Tobias WAGNER , Sebastian SOMMER , Patrick BOHL , Andreas ROESNER , Hans-Georg GEUS , Gerold LINKE , Bernd KUNZE
摘要： A spunbond nonwoven laminate has a first spunbond nonwoven layer having crimped filaments formed by a first component on an outer surface of the filaments of the first layer consisting or substantially consisting of a polyolefin and a second component consisting or substantially consisting of a plastic having a higher melting point than the polyolefin of the first component of the filaments of the first layer. A second outermost spunbond nonwoven layer on the first layer having filaments as a cover layer and formed by a first component on an outer surface of the filaments of the second layer consisting or substantially consisting of a polyolefin, and a second component consisting or substantially consisting of a plastic having a higher melting point than the polyolefin of the first component of the filaments of the second layer.
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公开(公告)号：US20220194050A1
公开(公告)日：2022-06-23
申请号：US17694931
申请日：2022-03-15
申请人： Tobias WAGNER , Sebastian SOMMER , Patrick BOHL , Andreas ROESNER , Hans-Georg GEUS , Gerold LINKE
发明人： Tobias WAGNER , Sebastian SOMMER , Patrick BOHL , Andreas ROESNER , Hans-Georg GEUS , Gerold LINKE
摘要： A spunbond nonwoven laminate has a first spunbond nonwoven layer having crimped filaments formed by a first component on an outer surface of the filaments of the first layer consisting or substantially consisting of a polyolefin and a second component consisting or substantially consisting of a plastic having a higher melting point than the polyolefin of the first component of the filaments of the first layer. A second outermost spunbond nonwoven layer on the first layer having filaments as a cover layer and formed by a first component on an outer surface of the filaments of the second layer consisting or substantially consisting of a polyolefin, and a second component consisting or substantially consisting of a plastic having a higher melting point than the polyolefin of the first component of the filaments of the second layer.
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公开(公告)号：US20240141567A1
公开(公告)日：2024-05-02
申请号：US18403015
申请日：2024-01-03
IPC分类号： D04H1/4391 , B32B5/02 , B32B5/26 , D04H1/541 , D04H1/544 , D04H1/559 , D04H3/007 , D04H3/10 , D04H13/00
CPC分类号： D04H1/43918 , B32B5/022 , B32B5/26 , D04H1/43912 , D04H1/43914 , D04H1/5412 , D04H1/5414 , D04H1/544 , D04H1/559 , D04H3/007 , D04H3/10 , D04H13/002 , D04H13/003 , B32B2262/0253 , D04H3/16
摘要： An apparatus for making a spunbond nonwoven laminate having a plurality of spunbond nonwoven layers has a row extending in a travel direction of two, three, or four spinning beams each emitting a multiplicity of multicomponent crimped continuous filaments with the filaments of each beam having a degree of crimp different from that of the filaments of each of the other beams. Respective extruders supply each beam with the components of the respective filaments and respective supply units feed each of the extruders with the respective components. The rate at which the components are supplied to the extruders is adjusted for varying the proportions of the components in each filament. A conveyor extends in the direction below the beams and receives the filaments as respective layers from the respective beams.
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公开(公告)号：US20230175176A1
公开(公告)日：2023-06-08
申请号：US18105270
申请日：2023-02-03
IPC分类号： D04H1/4391 , D04H3/10 , B32B5/26 , B32B5/02 , D04H13/00 , D04H1/559 , D04H3/007 , D04H1/544 , D04H1/541
CPC分类号： D04H1/43918 , D04H3/10 , B32B5/26 , B32B5/022 , D04H13/002 , D04H1/559 , D04H13/003 , D04H3/007 , D04H1/544 , D04H1/43912 , D04H1/43914 , D04H1/5414 , D04H1/5412 , B32B2262/0253 , D04H3/16
摘要： A spunbond nonwoven laminate has a plurality of stacked spunbond nonwoven layers, namely at least two and at most four spunbond nonwoven layers that have crimped continuous filaments or consist of crimped continuous filaments. The degree of crimping of the filaments is different in each of these spunbond nonwoven layers, and each of the crimped filaments of the spunbond nonwoven layers has a crimp with at least two, preferably at least three, and more preferably with at least four loops per centimeter of length. The crimped filaments of the spunbond nonwoven layers are multicomponent filaments, particularly bicomponent filaments, with a first plastic component and a second plastic component present in the respective filament in a proportion of at least 10 wt %.
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