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METHOD FOR MAKING MUSHROOM-TYPE HOOK STRAP AND MUSHROOM-TYPE HOOK STRAP MADE THEREBY
METHOD FOR MAKING MUSHROOM-TYPE HOOK STRAP AND MUSHROOM-TYPE HOOK STRAP MADE THEREBY
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机译:制作蘑菇型挂钩的方法及由此制作的蘑菇型挂钩
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摘要
A method for making a mushroom-type hook strap for mechanical fasteners is disclosed. In a first stage of the method, a hook strap on which a plurality of hook preforms each having a substantially V-shaped free end are integrally molded. Then, in a second stage of the method, the V-shaped free end of each of the hook preforms is deformed into a polygonal head portion by two calendar rolls so as to form a mushroom-type hook strap that has a higher engaging percentage with the loop strap, has a longer lifetime, and is capable of providing a reliable and all-directional uniform fastening function.
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