Heel/metatarsal structure having premolded bulges

Details Heel/metatarsal structure having premolded bulges Heel/metatarsal structure having premolded bulges

1995-03-06

1996-08-13

Loney, Donald

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428 72, 428174, 428212, 4289088, 36 29, 36 35B, B32B 100, A43B 1320

Patent

active

055454631

ABSTRACT:
A plurality of bulges is molded into the heel portion or metatarsal portion of the bottom member of a shoe, the bulges respectively defining cavities. At least one restricted passageway is molded into the portion between the cavities. A sealing member is attached to the outer member by adhesive, whereby air at atmospheric pressure is permanently located in the space jointly defined by the passageway and the cavities.

REFERENCES:
patent: 745793 (1903-12-01), Corman
patent: 1977695 (1934-10-01), Pinaud
patent: 2532742 (1950-12-01), Stoiner
patent: 3044190 (1962-07-01), Urbany
patent: 4071963 (1978-02-01), Fukuoka
patent: 4224749 (1980-09-01), Diaz-Cano
patent: 4358902 (1982-11-01), Cole et al.
patent: 5395674 (1995-03-01), Schmidt et al.

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