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    REINFORCED PROTECTIVE COVERS AND GUARDS FOR TREES, SHRUBS, AND VINES
    2.
    发明公开
    REINFORCED PROTECTIVE COVERS AND GUARDS FOR TREES, SHRUBS, AND VINES 审中-公开

    公开(公告)号：EP3358938A1

    公开(公告)日：2018-08-15

    申请号：EP16782383.0

    申请日：2016-10-07

    申请人： Avintiv Specialty Materials Inc.

    发明人： LATTEN, Kenneth Dean ,  OLIVER, Timothy ,  MCCARTHY, Andrew Mark ,  WORMALD, Paul Stuart

    IPC分类号： A01G13/02

    CPC分类号： A01G13/0243 ,  A01G22/00 ,  B29C45/0005 ,  B29C47/0028 ,  B29C47/065 ,  B29L2031/7004

    摘要： Shelters for protecting and enhancing the growth of plants reinforced by receiving a retaining structure are provided. The shelters include an outer longitudinal tubular structure having a first-outer-longitudinal-tubular-structure end and a second-outer-longitudinal-tubular-structure end diametrically opposed to the first-outer-longitudinal-tubular-structure end; an inner longitudinal tubular structure positioned within the outer longitudinal tubular structure and having an inner wall, a first-inner-longitudinal-tubular-structure end, and a second-inner-longitudinal-tubular-structure end diametrically opposed to the first-inner-longitudinal-tubular-structure end; and a segmented annular portion positioned between the outer wall and the inner wall. The segmented annular portion may comprise a plurality of segmented annular divider walls defining a plurality of through channels extending from the first-outer-longitudinal-tubular-structure end to the second-outer-longitudinal-tubular-structure end. The plurality of through channels may be configured to receive at least one retaining structure.

    MULTI-ZONE SPINNERET, APPARATUS AND METHOD FOR MAKING FILAMENTS AND NONWOVEN FABRICS THEREFROM
    5.
    发明公开
    MULTI-ZONE SPINNERET, APPARATUS AND METHOD FOR MAKING FILAMENTS AND NONWOVEN FABRICS THEREFROM 审中-公开

    公开(公告)号：EP3581373A1

    公开(公告)日：2019-12-18

    申请号：EP19190287.3

    申请日：2013-10-10

    申请人： AVINTIV Specialty Materials Inc.

    发明人： DIAZ DE LEON IZQUIERDO, Sergio, Rafael ,  ALABART, Marcal, Bargallo ,  STREET, John, Arthur ,  STEFFEN, John, F. ,  MOODY, Ralph, A.

    IPC分类号： B29D19/08 ,  D01D4/02 ,  D01D5/088

    摘要： A spinneret, apparatus, and method are provided for making filaments for fibrous nonwoven fabrics with more uniform filament and fabric formation while minimizing filament breaks and hard spot defects in webs and fabrics made therefrom. The spinneret has a spinneret body that has an overall length to hydraulic diameter ratio and defines orifices that extend through the spinneret body, wherein the orifices comprise capillaries that open at a face of the spinneret body for polymer filament extrusion therefrom, wherein the capillaries are arranged in a plurality of different rows at the face of the spinneret body, and wherein the plurality of different rows are arranged into a plurality of different zones at the face of the spinneret body. A spinneret body of the spinneret can have an overall length to hydraulic ratio of at least 3 percent and/or a zone-to-zone length to hydraulic ratio of at least 2% and/or the hydraulic diameters, lengths, and length to hydraulic diameter ratios can progressively increase or decrease zone-to-zone for at least three different zones of capillaries, which can be applied to cross-flow quench or quench from a single-side. The spinneret body is designed to better accommodate differing operational proximity of the various different zones to quench air sources or source at commercially useful throughputs and fiber uniformity.

    APPARATUS AND PROCESS FOR PRODUCING FIBROUS MATERIALS
    10.
    发明授权
    APPARATUS AND PROCESS FOR PRODUCING FIBROUS MATERIALS 有权

    公开(公告)号：EP1893393B1

    公开(公告)日：2018-11-14

    申请号：EP06773550.6

    申请日：2006-06-20

    申请人： AVINTIV Specialty Materials Inc.

    发明人： FERENCZ, Richard ,  JOHNSON, Michael, H. ,  KRAUSE, Timothy

    IPC分类号： B29C47/08 ,  B29C33/00 ,  D01D5/42

    CPC分类号： D01D5/423 ,  B29C47/0014 ,  B29C47/0822 ,  B29C47/20 ,  D01D4/027

    摘要： Apparatus (100, 101, 102) and die cartridge assembly (18, 44, 45, 47) adapted for use with same for producing fibrous material (212). The apparatus (100) comprises a removably attachable die cartridge assembly (18) that adapts to conventional spunmelt equipment. The die cartridge assembly (18) is removably positionable beneath an extrusion body (10) for effecting formation of fibrous material by fibrillation of polymer films. The cartridge assembly (18) includes at least one polymer passage (19) communicating with a molten polymer source (10) for directing molten polymer onto at least one film forming surface (20, 28) defined by the cartridge assembly (18), and also defines at least one gas passage (222, 22, 30) communicating with a gas source (16) for directing pressurized gas (220) against the molten polymer (210) in the form of a film for effecting formation of the fibrous material (212).