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    PROCESS FOR MICROAPERTURING AND MICROEMBOSSING A POLYMERIC WEB
    4.
    发明公开
    PROCESS FOR MICROAPERTURING AND MICROEMBOSSING A POLYMERIC WEB 失效
    方法micorperforate＆MICRO冲压聚合物网

    公开(公告)号：EP0720462A1

    公开(公告)日：1996-07-10

    申请号：EP94926666.0

    申请日：1994-09-06

    申请人： THE PROCTER & GAMBLE COMPANY

    发明人： DOBRIN, George, Christopher ,  PHILLIPS, Donna, Sue

    IPC分类号： A61F13 ,  B26F1 ,  B26F3 ,  B29C59

    CPC分类号： A61F13/15731 ,  B26F1/26

    摘要： A continuous, multi-phase process for microaperturing and microembossing a substantially continuous web (10) of substantially planar polymeric film to conform with the image of multiple forming structures (15, 50), each having a patterned forming surface with a multiplicity of fine-scale apertures and an opposed surface. Each forming structure is open from the apertures in the forming surface to its opposed surface. The web of film has an indefinite length, a first surface, a second surface and a thickness. The thickness is the distance between the first surface and the second surface. The process includes at least two sequential forming phases, one of which involves aperturing of the web of film to coincide with fine-scale apertures in the first forming structure (15) and another of which involves conformance of the web of film to the profile of the fine-scale apertures in the second forming structure (50).

    METHOD FOR FORMING A BREATHABLE FILM
    5.
    发明公开
    METHOD FOR FORMING A BREATHABLE FILM 失效
    制造方法透气膜

    公开(公告)号：EP1007329A1

    公开(公告)日：2000-06-14

    申请号：EP98915042.0

    申请日：1998-05-01

    申请人： THE PROCTER & GAMBLE COMPANY

    发明人： DOBRIN, George, Christopher ,  GOENS, Thomas, Masazi ,  PHILLIPS, Donna, Sue ,  CURRO, John, Joseph

    IPC分类号： B29C55/18

    CPC分类号： B29C55/18

    摘要： A film (12) which is a blend of a thermoplastic polymer and an inorganic filler is fed between a first roll (52) and a second roll (54). The first roll has a plurality of toothed regions (56) spaced apart by a plurality of grooved regions (58). The toothed regions include a plurality of teeth (57). The second roll has a plurality of teeth (61) which mesh with the teeth on the first roll. As the film is fed between the first roll and the second roll the portion of the film passing between the grooved regions on the first roll and the teeth on the second roll remains substantially planar forming first regions (64) in the film while the portion of the film passing between the teeth on the first roll and the teeth on the second roll are formed into second regions (66) having raised rib-like elements.

    PROCESS AND APPARATUS FOR MICROAPERTURING AND MICROEMBOSSING A POLYMERIC WEB
    6.
    发明授权
    PROCESS AND APPARATUS FOR MICROAPERTURING AND MICROEMBOSSING A POLYMERIC WEB 失效
    微微的方法和设备穿孔及聚合物列车SHAPE

    公开(公告)号：EP0720462B1

    公开(公告)日：1999-03-10

    申请号：EP94926666.2

    申请日：1994-09-06

    申请人： THE PROCTER & GAMBLE COMPANY

    发明人： DOBRIN, George, Christopher ,  PHILLIPS, Donna, Sue

    IPC分类号： A61F13/15 ,  B26F1/26

    CPC分类号： A61F13/15731 ,  B26F1/26

    摘要： A continuous, multi-phase process for microaperturing and microembossing a substantially continuous web (10) of substantially planar polymeric film to conform with the image of multiple forming structures (15, 50), each having a patterned forming surface with a multiplicity of fine-scale apertures and an opposed surface. Each forming structure is open from the apertures in the forming surface to its opposed surface. The web of film has an indefinite length, a first surface, a second surface and a thickness. The thickness is the distance between the first surface and the second surface. The process includes at least two sequential forming phases, one of which involves aperturing of the web of film to coincide with fine-scale apertures in the first forming structure (15) and another of which involves conformance of the web of film to the profile of the fine-scale apertures in the second forming structure (50).