Static molds – Container-type molding device – Plural article forming mold – or molds with community feature
Patent
1981-08-13
1982-12-28
Hoag, Willard E.
Static molds
Container-type molding device
Plural article forming mold, or molds with community feature
249 54, 249127, 249142, 249160, 249176, 249177, 249183, B29C 112, B29C 114
Patent
active
043657834
ABSTRACT:
Mold for making a tooth positioning and retaining appliance with air holes including a cavity having models of the upper and lower teeth arranged so that when an appliance is molded thereby the appliance will have upper and lower archways for receiving upper and lower arches of a person, tooth sockets in the archways arranged in ideal relationship and preselected positions to urge the teeth received thereby into the preselected positions of the sockets. The mold additionally includes air hole or airway forming means extending across the models of the teeth in the mold and being insertable into the mold prior to the molding operation and thereafter removable from the mold with the molded appliance. The air hole forming means is easily separable from the appliance to ultimately define the air holes between the archways and between the labial and lingual sides of the appliance.
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Hoag Willard E.
Zickert Lloyd L.
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