Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1980-10-02
1984-05-22
Anderson, Philip E.
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
249121, 249127, 249160, 249172, 264153, 264223, 264 453, B29D 2704
Patent
active
044501226
ABSTRACT:
After arranging on dual pans two thick strips of a deformable fiber-reinforced spongeous material and covering them with a liner made of an elastic cloth, a fluid polymer is poured into said pans which reacts to set and foam in a conveniently short time. During the setting time, the user keeps his/her feet fixedly inside the pans, to thus leave an impression which accurately reproduces the shape thereof. After setting, the deformable strips is bonded to the liner and retains the exact impression left by the foot.
Successive trimming operations provide an insole taylored to fit the user's feet.
REFERENCES:
patent: 2877502 (1959-03-01), Murray
patent: 2955972 (1960-10-01), Wintermute
patent: 3320347 (1967-05-01), Greenawalt
patent: 3458898 (1969-08-01), Casparis
patent: 3539145 (1970-11-01), Maxwell
patent: 3776504 (1973-12-01), Wiley
patent: 3896202 (1975-07-01), Palau
patent: 3943215 (1976-03-01), Grune et al.
patent: 4046611 (1977-09-01), Sanson
patent: 4069962 (1978-01-01), Holmquist
Anderson Philip E.
Josif Albert
Modiano Guido
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