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    • 3. 发明授权
    • Forming discrete fastener element regions
    • 形成离散的紧固件元件区域
    • US07451532B2
    • 2008-11-18
    • US11336321
    • 2006-01-20
    • George A. ProvostWilliam H. ShepardWilliam P. Clune
    • George A. ProvostWilliam H. ShepardWilliam P. Clune
    • A44B18/00
    • B29C47/32A44B18/0049B29C43/222B29C43/46B29C47/0021B29C2043/461B29C2043/465B29L2031/729Y10T24/27Y10T24/2783
    • A method of making a fastener product having discrete regions of fastener element stems extending from a strip-form base includes providing a gap formed along a peripheral surface of a rotating mold roll, the mold roll having a plurality of cavities exposed about the peripheral surface. A sleeve is introduced to the gap. The sleeve is positioned about the mold roll and covers selected cavities. Molten resin is introduced to the gap such that the resin forms at least a part of the strip-form base of the product at the peripheral mold roll surface and at least partially fills a plurality of the cavities to form fastener element stems as projections extending from the strip-form base, while the resin remains blocked from said selected ones by the sleeve. The resin is solidified and stripped from the peripheral surface of the mold roll by pulling the projections from their respective cavities.
    • 一种制造紧固件产品的方法,其具有从带状基部延伸的紧固件元件杆的离散区域,包括提供沿着旋转模具辊的周边表面形成的间隙,所述模具辊具有围绕周边表面暴露的多个空腔。 套筒被引入到间隙中。 套筒围绕模具辊定位并且覆盖所选择的空腔。 将熔融树脂引入到间隙中,使得树脂在周边模具辊表面形成产品的带状基底的至少一部分,并且至少部分地填充多个空腔,以形成紧固件元件柄,作为从 带状基底,同时树脂通过套筒保持被封闭。 通过从它们各自的腔中拉出凸起,使树脂固化并从模具辊的周面剥离。
    • 7. 发明授权
    • Loop material for touch fastening
    • 用于触摸紧固的环材料
    • US06783834B2
    • 2004-08-31
    • US09996618
    • 2001-11-27
    • William H. ShepardPaul R. Erickson
    • William H. ShepardPaul R. Erickson
    • D04H1100
    • A44B18/0011A61F13/627D04H11/00Y10T428/23936Y10T428/23957Y10T428/23986Y10T428/24008Y10T428/24017Y10T442/2369Y10T442/241Y10T442/61Y10T442/627Y10T442/682
    • Lightweight, non-woven loop products for hook-and-loop fastening are disclosed, as are methods for making them and end products employing them. The products are non-woven webs of entangled fibers of substantial tenacity, the fibers forming both a sheet-form web body and hook-engageable, free-standing loops extending from the web body. The product is stretched and stabilized to produce spaced-apart loop clusters extending from a very thin web of taut fibers. In important cases a binder is added to stabilize the product in its stretched condition. An example of the loop product is produced by needle-punching a batt of staple fibers in multiple needle-punching operations, applying a foamed acrylic binder, and then stretching the needled batt and curing the binder with the batt stretched. Other forming techniques are disclosed and several novel articles and uses employing such loop products are described, such as for filters and fasteners.
    • 公开了用于钩环紧固的轻质无纺布环产品,以及用于制造它们和使用它们的最终产品的方法。 这些产品是具有相当强度的缠结纤维的无纺网,纤维形成片状网状体和从腹板体延伸的可钩接合的独立环。 产品被拉伸和稳定,以产生从非常薄的拉紧纤维网延伸的间隔开的环状团簇。 在重要情况下,加入粘合剂以使产品在拉伸条件下稳定。 循环产品的一个例子是通过在多次针刺操作中针刺短纤维进行针刺,施加泡沫丙烯酸粘合剂,然后拉伸针刺毡并用绷带拉伸固化粘合剂来制备。 公开了其它成形技术,并且描述了使用这种环形产品的几种新型制品和用途,例如用于过滤器和紧固件。