Methods to obtain corrected impressions of feet so as to produce

Details Methods to obtain corrected impressions of feet so as to produce Methods to obtain corrected impressions of feet so as to produce

1988-08-18

1990-03-06

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Vacuum treatment of work

To degas or prevent gas entrapment

264220, 264222, 264223, 264227, 264DIG30, 264DIG78, 425 2, B29C 3342, B29C 3354

Patent

active

049064258

ABSTRACT:
A method to obtain corrected impressions of the foot so as to produce corrective soles including two or three superimposed rigid frames connected to a supporting structure secured by arms of different length joined to the supporting structure. Each frame is equipped with two flexible walls which, along with the frame, delimit a sealed enclosure filled with a granular material, the enclosure communicating with a suction device.

REFERENCES:
patent: 2177304 (1939-10-01), Murray
patent: 2424278 (1947-07-01), Kunkel
patent: 2472754 (1949-06-01), Mead
patent: 3309447 (1967-03-01), Wegely

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