Mixed hook/loop separable fastener and process for its production
AssigneeKuraray Co., Ltd.
InventorYakitoshi Higashinaka
Life of this patent
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Abstract
Mixed hook/loop separable fasteners comprise a base fabric provided on one surface thereof intermixedly with a multiplicity of hook-like fastening elements and a multiplicity of loop-like fastening elements. The hook-like fastening elements having a height of 1.3 to 3.8 mm and the loop-like fastening elements having a height of 1.5 to 4 mm and larger by 0.2 to 2.0 mm than the height of the hook-like fastening elements. The hook-like fastening elements and loop-like fastening elements being provided in a density of 40 to 120 pieces/cm.sup.2 with the ratio of the number of the hook-like fastening elements to the total being 40 to 60%. Also provided is a process for producing the above separable fasteners, as well as their use.
Claims10
A mixed hook/loop separable fastener comprising a base fabric provided on one surface thereof intermixedly with a multiplicity of hook-like fastening elements and a multiplicity of loop-like fastening elements, wherein:
- said hook-like fastening elements have a height of 1.3 to 3.8 mm and said loop-like fastening elements have a height of 1.5 to 4 mm and larger by 0.2 to 2.0 mm than the height of said hook-like fastening elements, such that top portions of said loop-like elements extend above top portion of said hook-like elements so as to act as cover over said hook-like elements which provides for a smooth contact surface;
- and
- said hook-like fastening elements and loop-like fastening elements are provided in a density of 50 to 120 pieces/cm.sup.2 with the ratio of the number of said hook-like fastening elements to the total being 40 to 60%.
The use of mixed hook/loop separable fasteners comprising attaching to each other two sheets of a mixed hook/loop separable fastener having the same construction, wherein:
- said separable fastener comprises a base fabric provided on one surface thereof intermixedly with a multiplicity of hook-like fastening elements and a multiplicity of loop-like fastening elements;
- said hook-like fastening elements have a height of 1.3 to 3.8 mm and said loop-like fastening elements have a height of 1.5 to 4 mm and larger by 0.2 to 2.0 mm than the height of said hook-like fastening elements, such that top portions of said loop-like elements extend above top portions of said hook-like elements so as to act as a cover over said hook-like elements which provides for a smooth contact surface;
- and
- said hook-like fastening elements and loop-like fastening elements are provided in a density of 50 to 120 pieces/cm.sup.2 with the ratio of the number of said hook-like fastening elements to the total being 40 to 60%.
Dependencies are inferred from the claim text.