Boots – shoes – and leggings – Soles – Cushion
Patent
1998-03-02
2000-01-04
Patterson, M D
Boots, shoes, and leggings
Soles
Cushion
36 28, A43B 1320
Patent
active
060096373
ABSTRACT:
The Helium filled modules as described are simple and reliable. It includes an exterior surface, the body of the module itself, which will hold the helium. Within each module are partitions, with gaps in the walls. The purpose of the gaps is to equalize the pressure within the module, so that helium will be equally distributed within. The partitions will also provide structural support. The size of the modules which will occupy the sole of the shoe will vary according to shoe size. The modules will be placed throughout the sole, at the places where the instep, ball of the foot and heel will rest. The modules are designed to fit in the sole of the shoe. The sole of the shoe will be made of rubber. The rubber sole is inserted in a mold. The helium modules are placed on the rubber sole with adhesive to hold them in the desired place. Then, either polyurethane, phylan or EVA foam will be poured into the mold. Upon the foam hardening, the Helium modules will be held in place permanently.
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patent: 5425184 (1995-06-01), Lyden et al.
patent: 5771606 (1998-06-01), Litchfield et al.
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