Shoe and method of manufacturing upper of shoe
AssigneeAsics Corporation
InventorsTatsuro TANABE, Takashi OOSAKI
Life of this patent
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Abstract
There is provided a shoe including an upper 2 and a sole 3. The upper 2 is formed from a web 41 containing one or a plurality of randomly layered thermoplastic fine strands 5. The web 41 includes a first region in which the thermoplastic fine strand 5 is point-bonded to each other at contact portions and a second region in which the thermoplastic fine strand 5 is fused, the second region has an apparent density higher than an apparent density of the first region, and a diameter of the thermoplastic fine strand 5 in the first region ranges from 0.2 mm to 2 mm, and the apparent density of the first region ranges from 0.005 g/cm3 to 0.2 g/cm3.
Claims16
A shoe comprising:
- an upper;
- and
- a sole,
- wherein the upper is formed from a web including one or a plurality of randomly layered thermoplastic fine strands,
- the web includes a first region in which the thermoplastic fine strand is point-bonded to each other at contact portions and a second region in which the thermoplastic fine strand is fused, the second region having an apparent density higher than an apparent density of the first region, and
- a diameter of the thermoplastic fine strand in the first region ranges from 0.2 mm to 2 mm, and the apparent density of the first region ranges from 0.005 g/cm3 to 0.2 g/cm3.
A method of manufacturing an upper of a shoe, the method comprising:
- a step of preparing a raw fabric web having an apparent density ranging from 0.005 g/cm3 to 0.2 g/cm3 by discharging one or a plurality of molten fine strands having a diameter of 0.2 mm to 2 mm from a nozzle, randomly layering the fine strand, and point-bonding the fine strand to each other at contact portions;
- a step of forming a region having an apparent density higher than 0.2 g/cm3 by heating any location of the raw fabric web and fusing the fine strand;
- and
- a step of forming the raw fabric web in a shape of the upper.
A method of manufacturing an upper of a shoe formed from a web having one or a plurality of randomly layered thermoplastic fine strands by using a nozzle for discharging a molten fine strand and a shoe-last, the method comprising:
- a setting data input step of inputting setting data of a thickness and an apparent density of the web according to a portion of the upper;
- a shoe-last data generation step of generating shoe-last data by measuring a shape of the shoe-last and inputting the shoe-last data;
- an operation condition generation step of generating an operation condition of the nozzle based on the setting data and the shoe-last data;
- and
- a shaping step of forming the upper by operating the nozzle according to the operation condition and randomly layering the one or plurality of molten fine strands on the shoe-last.
(canceled)
Dependencies are inferred from the claim text.