Plastic and nonmetallic article shaping or treating: processes – With step of cooling to a temperature of zero degrees c. or...
Patent
1981-01-16
1982-12-21
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
With step of cooling to a temperature of zero degrees c. or...
3 36, 264213, 264245, 264255, 264275, 264279, 264294, 264299, 264338, B29C 508, B29C 908
Patent
active
043648800
ABSTRACT:
Method for making a breast prosthesis formed from plasticized polyvinylchloride plastic having coloring, texture, weight and feel closely approximating those of a natural breast. Liquid plastic is heated and tinted with a first portion having a skin tone and a second portion having the darker color of the areola and nipple area. The darker portion is poured into a breast mold to the depth of the desired areola area. This pour is allowed to set until tacky at which time the skin colored portion is poured, which bonds to the first pour. The mold is immediately cooled in a freezer at 5.degree. F. or less. After curing and cooling, the prosthesis is removed from the mold. An alternative embodiment used for teaching self-examination includes small objects embedded in the prosthesis to simulate tumors.
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patent: 4199825 (1980-04-01), Knoche
patent: 4317241 (1982-03-01), Knoche
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