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    MULTIHEADED HOOK
    3.
    发明授权
    MULTIHEADED HOOK 有权
    更多HEADED HOOK

    公开(公告)号：EP1615521B1

    公开(公告)日：2011-01-19

    申请号：EP04711830.2

    申请日：2004-02-17

    申请人： 3M Innovative Properties Company

    发明人： SETH, Jayshree ,  AUSEN, Ronald, W. ,  VENNE, Janet, A.

    IPC分类号： A44B18/00 ,  B29C55/06

    CPC分类号： A44B18/0065 ,  B29C43/222 ,  B29C47/003 ,  B29C47/0033 ,  B29C47/0057 ,  B29C47/0066 ,  B29C47/14 ,  B29C67/0044 ,  B29C2793/0027 ,  B29L2031/729 ,  Y10T24/2792 ,  Y10T428/24008 ,  Y10T428/24017

    摘要： The present invention provides a method for forming preferably a unitary polymeric hook fastener (20) comprising a flexible backing (11), and a multiplicity of spaced hook members (24) projecting from the upper surface of the unitary backing (11) wherein each hook member (24) comprises a multiplicity of hook head elements (28, 29) projecting in substantially the same direction. The hook members each comprise a stem portion (25) attached at one end to the backing (11), and a head portion (28, 29) at the end of the stem portion (25) opposite the backing (11). The head portion (28, 29) can also extend from a side of a stem portion (25) or be omitted entirely to form alternative projections which can be other forms than a hook member. The head portion (28, 29) preferably projects past the stem portion (25) on at least one of two opposite sides. At least the hook head portions (28, 29) have two or more hook head elements (28, 29) on at least one of the two opposing sides of the stem (25). The hook head portions (28, 29) preferably have been heat treated so as to decrease the hook head thickness and thereby reducing or eliminating molecular orientation in at least the hook head in the machine direction.

    HEAT TREATED HIGH DENSITY STRUCTURES
    4.
    发明公开
    HEAT TREATED HIGH DENSITY STRUCTURES 有权
    霍尔·德奇特·史密斯（HOHE DICHTE STRUKTUREN）

    公开(公告)号：EP1578223A1

    公开(公告)日：2005-09-28

    申请号：EP03779460.9

    申请日：2003-11-03

    申请人： 3M Innovative Properties Company

    发明人： AUSEN, Ronald, W. ,  SETH, Jayshree

    IPC分类号： A44B18/00

    CPC分类号： A44B18/0065 ,  Y10T24/2792

    摘要： A method for forming a unitary polymeric projection or fastener comprising a base layer, and a multiplicity of spaced projections or hook members projecting from the upper surface of the unitary base layer the method generally including extruding of forming a thermoplastic resin through a die plate or mold. A die plate, if used, is shaped to form a base layer and spaced ridges, projecting above a surface of the base layer. When the die forms the spaced ridges or ribs the cross sectional shape of the projections are formed by the die plate. The ridges are then cut at spaced locations along their lengths to form discrete cut portions of the ridges. The cut portions are then heat treated resulting in shrinkage of at least a portion of at least the cut portion thickness by from 5 to 90 percent, preferably 30 to 90 percent thereby forming discrete upstanding projections.

    摘要翻译： 一种用于形成单一聚合物突起或紧固件的方法，包括基底层和从整体基底层的上表面突出的多个间隔开的凸起或钩形构件，该方法通常包括通过模具板或模具挤出成型热塑性树脂 。 如果使用的话，模板被成形为形成基底层和间隔开的脊，突出在基层的表面上方。 当模具形成间隔开的脊或肋时，突起的横截面形状由模板形成。 然后沿它们的长度在间隔开的位置处切割脊，以形成脊的离散切割部分。 然后对切割部分进行热处理，使至少部分切割部分厚度的至少一部分收缩5％至90％，优选30％至90％，从而形成离散的直立突起。

    MULTIHEADED HOOK
    10.
    发明公开
    MULTIHEADED HOOK 有权
    MULTIHEADED钩

    公开(公告)号：EP1615521A1

    公开(公告)日：2006-01-18

    申请号：EP04711830.2

    申请日：2004-02-17

    申请人： 3M Innovative Properties Company

    发明人： SETH, Jayshree ,  AUSEN, Ronald, W. ,  VENNE, Janet, A.

    IPC分类号： A44B18/00 ,  B29C55/06

    CPC分类号： A44B18/0065 ,  B29C43/222 ,  B29C47/003 ,  B29C47/0033 ,  B29C47/0057 ,  B29C47/0066 ,  B29C47/14 ,  B29C67/0044 ,  B29C2793/0027 ,  B29L2031/729 ,  Y10T24/2792 ,  Y10T428/24008 ,  Y10T428/24017

    摘要： The present invention provides a method for forming preferably a unitary polymeric hook fastener (20) comprising a flexible backing (11), and a multiplicity of spaced hook members (24) projecting from the upper surface of the unitary backing (11) wherein each hook member (24) comprises a multiplicity of hook head elements (28, 29) projecting in substantially the same direction. The hook members each comprise a stem portion (25) attached at one end to the backing (11), and a head portion (28, 29) at the end of the stem portion (25) opposite the backing (11). The head portion (28, 29) can also extend from a side of a stem portion (25) or be omitted entirely to form alternative projections which can be other forms than a hook member. The head portion (28, 29) preferably projects past the stem portion (25) on at least one of two opposite sides. At least the hook head portions (28, 29) have two or more hook head elements (28, 29) on at least one of the two opposing sides of the stem (25). The hook head portions (28, 29) preferably have been heat treated so as to decrease the hook head thickness and thereby reducing or eliminating molecular orientation in at least the hook head in the machine direction.

    摘要翻译： 本发明提供一种优选地形成包括柔性背衬（11）和从整体背衬（11）的上表面突出的多个隔开的钩构件（24）的单体聚合物钩紧固件（20）的方法，其中每个钩 构件（24）包括多个在基本上相同方向上突出的钩头元件（28,29）。 每个钩构件都包括一端连接到背衬（11）的杆部（25），以及在杆部（25）的与背衬（11）相对的端部的头部（28,29）。 头部（28,29）也可以从杆部分（25）的一侧延伸或完全省略以形成可以是除钩构件之外的其他形式的替代突起。 头部（28,29）优选地在两个相对侧中的至少一个上突出经过杆部（25）。 至少钩头部分（28,29）在杆（25）的两个相对侧中的至少一侧上具有两个或更多个钩头元件（28,29）。 钩头部分（28,29）优选地经过热处理，以便减小钩头厚度，从而减少或消除至少钩头在机器方向上的分子取向。