CN1116513A - 用于钩环扣件中钩子 - Google Patents

用于钩环扣件中钩子 Download PDF

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CN1116513A
CN1116513A CN93118262A CN93118262A CN1116513A CN 1116513 A CN1116513 A CN 1116513A CN 93118262 A CN93118262 A CN 93118262A CN 93118262 A CN93118262 A CN 93118262A CN 1116513 A CN1116513 A CN 1116513A
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G·A·普罗沃斯特
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    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
    • A44B18/0046—Fasteners made integrally of plastics
    • A44B18/0061—Male or hook elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
    • Y10T24/2742—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] having filaments of varied shape or size on same mounting surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
    • Y10T24/275—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] with feature facilitating or causing attachment of filaments to mounting surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
    • Y10T24/2767—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] having several, repeating, interlocking formations along length of filaments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/27—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
    • Y10T24/2792—Buckles, buttons, clasps, etc. including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener] having mounting surface and filaments constructed from common piece of material

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Abstract

一种用于钩环扣件系统中的模制塑料钩，它特别适用于高度低的环状物。钩子结构包括底座，支柱和钩杆，穿入环状物的环圈内的钩子部分的体积被定义为置换体积。这种特别运用于高度低的环状物的钩子具有的置换体积小于6×10-6立方英寸。

Description

用于钩环扣件中的钩子
本发明涉及用于钩环扣件的经过改进的钩子，特别是与矮环一起使用的模制塑料钩。钩环扣件技术是公知的，其中扣件包括两个可以分开的带条，在带条表面具有相互连接的绒头。其中一种绒头具有若干环形元件，而另一种绒头具有钩形元件，它们可以相互作用而构成一种可以分开的连接件。
这种绒头扣件广泛地应用于需要便于开闭的场合，例如用于服装、鞋袜、家具、医疗用品，车用扣紧器和许多其他工业场所，即需要分开或永久联接的地方。美国专利US—3,009,235,US—3,083,737,US—3,154,837公开了多种形式的可以分开的绒头扣件带条，这些带条以合成高聚物的纤维例如尼龙纤维为原料，通过基本的纺织加工技术制成。这种加工方法制造出一种基底织物，所述的绒头表面被织入其中，该绒头表面能够相互连接形成闭锁机构。很久以来，一直采用模制塑料加工技术制造特殊的钩子材料，在成型带条时，再使钩子与底带成型为一体。
美国专利US—3,031.730公开了一种闭锁机构，其中，在与一个编织物正面相接的表面材料上裸露出若干刺状元件，所述刺状元件是铸造或模制出的柔性或塑性钩状元件。
授予Menzin的美国专利US—3,760,000公开了一种钩子“环”，这种环状钩子具有倾斜表面，该倾斜表面的作用如同靠模表面，以便将模制成的钩子从其模穴中抽出。钩体表面有两个尺寸相等的平板状侧面和一个稍微大些的第三侧面。靠带状物附近的钩体部分的横截面大于钩尖部分的横截面，而且钩体的三个平坦的侧面以平滑曲线的方式进入并贯穿整个钩部，以致使由上述三个侧面所组成的钩体部分与钩子组成同一个连续的表面，如同钩部相应表面的延续。授予Rochlis的美国专利US—3,312,583和授予Ribich的美国专利US—3,708,833描述了另一种钩子的实施例,其中钩子的形状稍有些倾斜。授予Brurnlik的美国专利US—3,913,183描述了一种自夹紧装置，其中夹紧元件特别适合于沿着纤维的整个长度自动夹紧纤维或类似物。
授予Nestegard的美国专利US—4,894,060描述了一种用于一次性使用的尿布的钩子结构，在这种尿布中具有改进的钩子扣件部分，其中制造钩子的加工步骤包括：挤压出钩子轮廓，接着在钩子轮廓上切割出开口，从而形成单个钩子。Nestegard的专利所要求保护的一种尺寸足够小的钩子可以用于连接低价格的环状物，特别是连接用无纺加工制出的环状物。Nestegard的专利中提出的钩子形状与本发明中提出的钩子大不相同，因为其制造钩子的方法不同，其钩子的形状取决于其在横向切割加工之前的连续轮廓。在Nestegard专利中公开并要求保护的尺寸不足以计算出被置换的体积。
即使最近授予本发明的发明人的美国专利US—4,984,339公开的一种经过改进的钩了，其外形由一个内侧的平滑的普通凹面和一个外侧的普通凸面构成，其中在钩子的整个宽度，从坚实的底座元件到钩子的自由端，钩子平滑连续地向下倾斜，因此这种钩子在等于或低于某一剪切力的情况下不会发生变形，不能使连接钩子的环状物与钩子脱离。
尽管按照这些专利成型的钩子具有许多可以应用的性质，并且可以连接多种结构的环状物，但是它们也具有许多已有技术中的钩子所具有的局限性，它们不能有效地对高度低的环状物，即由非常短小的单一环构成的环状物发生作用。这种高度低的环状物特别有用，因为它们细而且价格低。在某些情况下，这种环状物与很薄的聚氨酯泡沫层形成叠层，从而提供具有弹性的底座，以便钩子很容易穿入绒头的体内，更容易使环状物缠绕在钩子上。但是，通常这种环状物不能与常规结构的钩子很好地产生作用。
与上述现象不同的一种钩子是所谓蘑菇形钩子。这种蘑菇形钩子可以用不同的加工方法制成。制造这种产品的详细情况包括在美国专利US—3,138,840,US—3,770,359,US—4,024,003,US—4,290,832之中。通常加工步骤包括制造由聚丙烯的单丝形成的直立丝线，然后加热使单丝的顶部熔化，从而引起熔化的聚合物“回熔”或向支柱下方流动形成团状物，该团状物在单丝末端硬化，从而形成位于支柱顶部的蘑菇形头部。蘑菇头的作用如同常规钩环扣件中的钩子，其与环状物相缠绕形成连接。因为它的俯视投影响形状小，这一点将在后面作详细论述，这种具有蘑菇形钩子的扣件中的钩子比其它类型的钩环扣件中的钩子更容易连接高度低的环状物。但是，蘑菇形产品有许多缺点。它们仅限于使用定向的聚丙烯纤维，该材料的使用也带来了与之相关的局限性，例如只能在相当低的温度区间进行操作。蘑菇头易于从支柱上断裂，因而在使用中产品寿命有限，而且蘑菇头没有成形钩子的弯曲能力，因此，使环状物与蘑菇头脱离的唯一方式是切断环状物或切断蘑菇头。蘑菇形产品的其它局限性对该领域的有关人员来说是公知的。
本发明要采用授予Fischer的美国专利US—4,7944,028描述的方法生产一种钩子，其中钩子的尺寸和形状特别适用于矮小的环状物。已经发现，采用这种钩子与矮小的环状物相连接，可以产生出显著的和意想不到的工作性能。并且进一步确信，通过选择适当的树脂材料可以大大强化这种钩子的工作性能。特别是，本发明人发现，钩子可以产生一置换体积，这一点在后面将作充分讨论，当该体积小于6×10-6立方英寸，最好小于4×10-6立方英寸时，该钩子与最矮小的环状物相配合，可以发挥出不寻常的显著的工作性能。置换体积在本文中被定义为呈矩形的平行六面体的体积，它表示当钩子穿入环状物中并达到某一位置，即环状物开始落入钩子的钩杆内侧的空穴处时，被排开的环状物的体积，关于这一点，通过后面的说明将会更为清楚。
图1是常规的纺织品钩环闭锁系统中钩的横截面图。
图2描绘了图1中的钩，此时可以看到钩穿入钩环闭锁系统的标准环带条中的环状物厚网垫中，其中环的高度大于钩尖的折回高度。
图3描绘了图1中的钩与高度较低的环相联接，其中钩尖的折回高度大于环的高度。
图4是现有技术所述模制塑料钩的横截面图。
图5描绘了图4中的钩，此时可以看到钩穿入钩环闭锁系统的标准环元件中的环状物网垫中，其中钩和单环相联接。
图6描绘了图1中的钩，其表示出当钩穿入环状物的网垫到达等于环状物高度位置时所需要的位移或俯视投影的轮廓。
图7是蘑菇形钩的横截面图，其表示出钩位移的轮廓。
图8描绘了图4中的钩，其表示出钩位移的轮廓。
图9是本发明钩子形状的横截面轮廓，其表示出这种钩子的位移轮廓。
图10是本发明钩子的横截面图，而且表示出钩子位移的轮廓。
图11对平行六面体的三维尺寸进行了表示，用它来限定置换体积。
图12是曲线图，其描绘出对于高度较低的环状物，剪切强度与钩子置换体积之间的关系。
现在参考图1，单股丝(1)被弯曲成环状物形状，在环状物的一侧进行切割，制出钩子的钩杆(2)，以及单股丝环状物的残存部分(3)，该残存部分(3)与钩子的尖端(7)分开，以便为环(5)进入钩杆(2)提供足够大的开口，使环(5)进入并缠入钩杆(2)内，在图6中，钩子(1)的尺寸“A”表示钩杆(2)的折回尺寸或钩杆的高度，而“B”表示从钩子底座(6)到钩杆(2)顶部外侧的总高度。图6中的矩形“C”表示当钩子的穿透足以使其尖端(7)正好位于环状物顶部下方时，穿入环状物构件中的材料的俯视投影。图2表示将钩子(1)穿入环状物的网垫时的情形。钩子顶部具有如图6所示的俯视投影“C”，钩子顶部向旁边推动环(5)，接着穿入环圈，直到钩子顶部触及环状物的底座(8)。环(5)具有弹性，可以回弹。一部分环可以进入开口(4)，而开口(4)是通过切割单股丝线而形成的。钩子的钩杆使环进入钩杆的内侧空间(9)，所述内侧空间(9)由单股丝线形成。以这种方式，环就被钩子钩住，当钩子和环要相互分开时，以上述方式联接的二个元件可以对这种分离进行限制。要使两元件分开，必须使钩子偏斜或敝开。当试图打开单个钩子的作用力较小时，钩环扣件中具有足够数量的钩子与环相缠绕，只有使用相当大的作用力才能使扣带分离。
图3表示同样的钩子穿入一环带中，这种环带中的环是矮环。这种低环圈类型的环高小于钩子的钩杆的折回高度，即图6中的尺寸“A”。在这种情况下，如图3所示环发生偏斜，但是当钩子触及环带底座(8)时，钩子的穿入运动即停止。由于环高度太低，以致无论环的弹性如何好，无论环如何回弹以便进入钩子的开口(4)，由于环的高度不够，这种企图都不能实现。环不能抵达钩子(1)的钩杆(2)的上方并且对它进行缠绕。当出现这种情况时，在钩子和环之间仅有微弱联接或无任何联接。
图4表示模制塑料钩的横截面图，这种钩子采用塑料模制技术制成需要的形状，正如转让给本发明所有者的美国专利US—4,984,339所公开的那样，上述文件在本文中作为参考。在这个例子中，钩杆(13)被模制成与纺织的单股丝线的钩杆(2)相似的形状。但是，没有残存部分(3)，不阻碍环进入钩杆(13)，于是提供了较大开口(14)，开口(14)大于由单股丝线制成纺织品钩子的开口。图5表示图4所示的钩子与标准环相联接。所示的钩子具有美国专利US—4,984,339公开的钩子的全部特征，这个公开的钩子包括不同的倾斜部分，以便调整钩子的屈服点，当钩子与环相互脱离联接时，可以使钩子产生弯曲。正如下文中将详细描述的那样，专门模制成型的钩子形状与较小的置换体积相结合，对于联接高度低的环状物来说，可以提供新的和特别有价值的钩子扣件。
现在参见附图6—8。如上所述，尺寸“A”代表钩杆的高度。最基本的是，使钩子穿入环状物的网垫的深度至少大于钩杆的高度，以便钩尖(7)可以到达环顶部的下方，并且使环弹入钩子的内空间(9)，被钩子钩住。如果不这样，则钩子不便与环相联接。当钩子穿入环状物面到达该点时所需要排开的环状物的范围，在附图6，7，8和9中都用四边形“C”表示。四边形“C”是钩子沿着一个平面所作的横截面，该平面横穿钩子，平行于底座，并且与最靠近底座的钩尖端点相切。例如，在图8中，该平面由虚线(18)表示，它平行于底座(15)，该平面与钩子顶部之间的距离是尺寸“A”，与底座(15)之间的距离是尺寸“D”。可以直观地看到尺寸“D”等于“B”—“A”。对于任何钩子来说，四边形“C”的面积受若干因素的影响。如图9所示，平面(18)穿过钩子，该平面平行于钩子所在的底座(15)。并且，该平面与钩子背面相交于点(10)。线(20)垂直于相交的平面(18)，因为平面(18)平行于底座(15)，线(20)也垂直于底座(15)。如果画出的第二条线(21)垂直于平面(18)，而且和钩尖(7)的最外边缘相切，则线(21)将平行于线(20)。上述线段限定了矩形“C”的终端(22)和(23)。矩形“C”表示钩子穿入环状物的网垫时的置换面积，换句话说，为了使钩子穿入环中，该面积范围内的环必须被推向一边或者被排出。如果被钩子穿入的环状物具有良好的弹性，它们将立即在这样一个平面周围发生弯曲，并且紧紧靠在该面的后面。但是，如果钩子是刚性物质，则这些环将紧靠着钩子的壁被推回。穿入网垫的钩子具有真实的体积，而且这个体积可以简便地限定为将钩子的某一点之上的钩杆部分包容在内的一个单行六面体的体积，到达这一点，穿透作用就足以实现有效的联接。图10表示平行六面体“E”相对于整个钩子轮廓的位置。图11仅表示一个弧立的平行六面体。可以计算出这个平行六面体对单个钩子的体积，即算出面积“C”，然后乘以钩杆高度“A”，则“E”＝“A”דC”。我们已经将此体积定义为“置换体积”。
我们已经知道这个置换体积是决定钩子与一定类型的环状物相联接能力的重要因素。当环高度非常低时，置换体积很小的钩子具有显著改善的工作性能，尽管在确定一环状物接受某一给定形状的钩子的能力时，除了环的高度之外，还有若干因素需要考虑。
下面的表格表示了由美国Velcro公司出售的几种钩子类型的置换体积的数值，该公司是本发明的受让人。钩子类型        置换体积     在矮环中的剪切强度标准的纺织型    6.0×10-6    6.5-10.0超级联接15型    7.4×10-6    5.0-8.0模塑8型         14×10-6     4.0-9.0超级联接24型    14×10-6     8.0-1 3.0标准的蘑菇型    1.6×10-6    15.0-20.0模塑22型        1.1×10-6    22.0-29.0
图12是曲线图，其表示在高度低的环状物闭锁系统中钩与环相联接时，钩子的剪切强度和钩子置换体积之间的关系。环状物的类型是由美国Velcro公司出售的#3610，环的高度大约为0.040英寸。该高度仅为美国Velcro公司出售的标准环，例如环1000的高度的几分之一，标准环的高度大约为0.100英寸。曲线图中的数据取自上述表格，由此绘制出图12所示的曲线。图12中曲线图的纵坐标表示在每平方英寸闭锁系统中测量出的剪切强度。横坐标表示置换体积，其数值范围为1.1×10-6——24×10-6立方英寸。从这幅曲线图中可以清楚地知道，对于这种环的结构来说，在剪切状态下，置换体积对于钩子的操作性能有相当大程度的影响。当置换体积为6×10-6时，剪切强度开始增加，并且在4×10-6时迅速增加几乎达二倍。为了使钩子穿入短而细的环中，钩子具有的置换体积应当小于6×10-6。但是，最好小于4×10-6。
对于特殊几何形状的环来说，这些指标在设计新的钩子形状时非常有用。但是，尽管置换体积是重要的因素之一，在评价钩子与高度低的环状物之间的联接难易程度时，钩子的这种置换体积并不是唯一的衡量手段。如前面所述，钩杆高度本身也影响任何钩子的置换体积。此外，钩子的厚度对于钩子的置换体积也有很大影响。而且，钩子的一般形状对于钩子的置换体积也有重要的影响。在美国专利US—4,984,339中的钩子形状特别适用于联接高度低的环状物，而且制造这种钩子的模制加工方法易于调整，从而能够获得不同的置换体积，并且生产出在本文中公开的具有最佳置换体积的钩子。例如，在图9中，在点(10)所在的地方钩子的背面与限定钩子置换体积的下方平面相交。点(10)的位置确定了俯视投影“C”的尺寸。如果钩子具有非常小的向后倾斜度，交点(10)也将向后移，从而使置换体积增大。在钩杆尖端，钩尖所在的地方确定了上述下方平面的相应位置，而且钩杆的高度愈底，置换体积就愈小。显而易见，通过改变与钩子形状相关的多个尺寸，即可调整钩子的置换体积。通过美国专利US—4,794,028介绍的方法能够很容易地对钩子的置换体积进行调整。
迄今为止，置换体积对钩子和环的性能产生的影响还不完全清楚。设计出的钩子结构是以试凑法为基础的，对其原因则莫名其妙。选择钩子的主要问题是选择什么材料，如何设计出特殊几何形状的钩子以便获得专门类型的工作性能。则仅仅做出很少的努力，众所周知，采用较粗的单股丝时，分离扣件的作用力比采用较细的单股丝时的作用力大。蘑菇形钩子扣件的发展和蘑菇头的尺寸变化仅仅依赖一种偶然性，蘑菇头不是依据专门的形状或尺寸要求设计出的。
从原理上搞清高度低的细环状物的联接所存在的问题为优质的钩子产品的发展提供了线索。发明人已经发现，对于钩子的置体积小于6×10-6，最好小于4×10-6的模制塑料钩，与环圈高度小于0.025英寸的环状物相连时效果特别好。这种纤细的模制塑料钩从前从未有人生产。发展这种钩子对该技术领域来说是相当大的进步，而且是第一次。可以理解，这种钩子的发展可以为具有特殊的美学价值和价格合理的高度低的环状物设计出特别合适的钩子条带。

Claims (15)

1、一种用于钩环扣件系统中的钩子，它包括：
一个底层；
一个支柱，其较低的一端与底层相连，支柱具有一外侧和一内侧；
一个钩杆，其具有第一端和钩尖，第一端与支柱相连，钩杆从支柱向上伸出，然后向下朝着底座以相当平滑的曲线弯曲，一直弯曲到钩尖；
所述的钩子具有一宽度、一高度和一置换体积，其特征在于：钩子的置换体积是一矩形平行六面体的体积，其具有一底面，第一、第二侧面，第一、第二端面，和顶面；该底面平行于底层并且与钩尖相切，顶面平行于底层并且与钩子顶部相切，切点所在的位置是钩杆与底层之间距离最远处，侧面与钩子的侧面相重合，第一端面垂直于底面并且在支柱外侧一点与底面相交，第二端面垂直于底面并且与钩尖的最外端部分相切；
钩子的置换体积小于6×10-6立方英寸，即9.83×10-5立方厘米。
2、按照权利要求1所述的钩子，其特征在于：钩杆的高度低于0.012英寸。
3、按照权利要求1所述的钩子，其特征在于：钩子的厚度小于0.010英寸。
4、按照权利要求1所述的钩子，其特征在于：钩子的俯视投影小于1.5×10-4英寸。
5、一种用于钩环扣件系统中的钩子，它包括：
一个底层；
一个支柱,其较低的一端与底层相连,支柱具有一外侧和一内侧；
一个钩杆，其具有第一端和钩尖，第一端与支柱相连，钩杆从支柱向上伸出，然后向下朝着底层以相当平滑的曲线弯曲，一直弯曲到钩尖；
所述钩子具有一宽度、一高度和一置换体积，其特征在于：钩子的置换体积是一矩形的平行六面体的体积，其具有一底面，第一、第二侧面，第一、第二端面，和一顶面；该底面平行于底层并且与钩尖相切，顶面平行于底层并且与钩子顶部相切，切点所在的位置是钩杆与底座之间距离最远处，其侧面与钩子的侧面相重合,第一端面垂直于底面并且在支柱外侧一点与底面相交，第二端面垂直于底面并且与钩尖的最外端部分相切；
钩子的置换体积小于4×10-6。
6、按照权利要求5所述的钩子，其特征在于：钩杆高度小于0.012英寸。
7、按照权利要求5所述的钩子，其特征在于：钩子厚度小于0.010英寸。
8、按照权利要求5所述的钩子，其特征在于：钩子的俯视投影小于1.5×10-6英寸。
9、一种用于钩环扣件的钩子，其中钩子的轮廓由普通的内凹面和外凸面限定，其包括一个与倾斜的底座部分紧密相连的平面形底层元件，倾斜的底座部分从平板形底座元件处延伸，并与一倾斜的钩部相连，该钩部可以与一环扣相接，从而对该钩部产生一垂直于平面底部元件的作用力，所述的钩子在一自由端终止，钩子部分的倾斜度远远小于底座部分的倾斜度，在从倾斜的底座部分一直到钩子的自由端的整个宽度上，钩子是连续向下倾斜的，当一环扣以一个基本上垂直于平面底座元件的张力与该钩子相连时，在上述力的作用下，钩子将发生变形，即在一渐变区，靠近外表面的局部钩件将会扭转弯曲，同时，与钩件相连的环扣将受到剪切，该力基本上平行于所述的平面底座元件，环扣将通过扣紧部位与平面底座元件之间的倾斜底部对上述作用力进行传递，所述的钩子具有大致相同的厚度，其横截面大致为矩形，它还具有一置换体积，该置换体积是一矩形平行六面体的体积，该六面体具有一个底面，第一和第二侧面，第一和第二端面以及一个顶面；该底面平行与底座并且与钩尖相切，顶面平行于底座并且与钩子顶部相切，切点所在的位置是钩杆与底座之间距离最远处；侧面与钩子的侧面相重合；第一端面垂直于底面并且在支柱外侧一点与底面相交，第二端面垂直于底面并且与钩尖的最外端部分相切；钩子的置换体积小于6×10-6立方英寸，即9.83×10-5立方厘米。
10、按照权利要求9所述的钩子，其特征在于：在一渐变区内钩子的内表面与底部元件的垂线呈一定角度，以便使与钩子相连的环扣在剪切力的作用下朝着底座元件运动。
11、按照权利要求9所述的钩子，其特征在于：钩子中钩杆的高度小于0.012英寸。
12、按照权利要求9所述的钩子，其特征在于：普通的内凹表面的形状可以促使与钩相连的环状物在剪切作用下，在咬合部位附近与钩子相连接。
13、钩环组件中的钩子部分，它包括多个钩子，这些钩子都具有权利要求9所述的钩子轮廓，并且这些钩子被放置在同一块整体平板形底座中，并从其表面伸出。
14、按照权利要求13所述的钩环组件的钩子部分，其特征在于：多个钩子朝着给定的方向排列，以致相邻排列的钩行中的钩子面分别朝着相反方向排列。
15、按照权利要求13所述的钩环组件的钩子部分，其特征在于：多个钩子朝着给定的方向排列，以致所有的钩子中的钩子面都朝着同一方面排列。
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CN102210501A (zh) * 2011-05-31 2011-10-12 广东明朗生活用品制造厂有限公司 一种塑料搭扣
CN102210501B (zh) * 2011-05-31 2013-06-19 广东明朗生活用品制造厂有限公司 一种塑料搭扣

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CA2142281C (en) 2003-10-14
USRE38652E1 (en) 2004-11-16
US5315740A (en) 1994-05-31
JPH08501462A (ja) 1996-02-20
AU5010293A (en) 1994-03-15
EP0671892B1 (en) 2001-10-24
DE69331014D1 (de) 2001-11-29
MX9305067A (es) 1994-04-29
EP0671892A1 (en) 1995-09-20
CN1058861C (zh) 2000-11-29
DE69331014T2 (de) 2002-06-06
JP2880575B2 (ja) 1999-04-12

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Assignee: Vickers (China) buckle System Co., Ltd.

Assignor: At Crewe Industrial Company (VELCRO INDUSTRIES B.V.)

Contract fulfillment period: From April 14, 2005 to April 14, 2010

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Denomination of invention: For hook and ring fasteners

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