Patent ID: 11963576
Assignee: MIZUNO CORPORATION
Field: Other consumer goods (Other fields)
Classification: CPC A  B | IPC A  B

Claim 0:
1. A shoe having a sole and an upper to cover a foot of a shoe wearer,
said sole comprising:
an upper wall portion disposed on an upper side of said sole, wherein a top surface of said upper wall portion is fixedly attached to a bottom surface of said upper;
a lower wall portion disposed below and away from said upper wall portion, wherein a bottom surface of said lower wall portion constitutes a ground contact surface; and
a pair of sidewall portions that are disposed on opposite sides of said upper wall portion and said lower wall portion, that are elastically deformable in a vertical direction, and that respectively constitute a side surface of said sole,
wherein said upper wall portion, said lower wall portion and said pair of sidewall portions are formed of a resin-made wall-shaped member, and there is formed an interior region encompassed by said upper wall portion, said lower wall portion and said pair of sidewall portions,
wherein said interior region contains a three-dimensional elastic fiber structure formed of resin fibers and a hollow portion encompassed by a partition wall formed of a resin-made wall-shaped member,
wherein said three-dimensional elastic fiber structure is a filament structure in which a multiple of resin layers each composed of polygonally-and-horizontally arranged resin filaments are overlaid and attached to one another in the vertical direction through the resin filaments with a gap formed between the vertically adjacent resin filaments,
wherein said upper wall portion, said lower wall portion, said pair of sidewall portions and said partition wall of said hollow portion are formed of the same material and integrally formed with one another,
wherein said hollow portion is in contact with said three-dimensional elastic fiber structure through said partition wall, and
wherein there is formed a vertical clearance between said partition wall of said hollow portion, said upper wall portion, and said lower wall portion and said three-dimensional elastic fiber structure fills said vertical clearance.