Artificial teeth and carding system and method

Details Artificial teeth and carding system and method Artificial teeth and carding system and method

1986-09-24

1988-05-31

Peshock, Robert

Dentistry

Apparatus

Tooth selection guide

A61C 1910

Patent

active

047477768

ABSTRACT:
A carding system and method for artificial teeth is disclosed wherein artificial teeth (A, D, C, E, and F) may be carded on a tooth card (B). The tooth card (B) comprises an elongated extruded plastic strip (10) having a vertical flange (14) and a split retainer tube (12). The artificial teeth are provided with various means of retaining the teeth on retainer tube (12) such as retainer slots (26), retainer bars (70 and 78). Retainer tube (12) includes prong-like edges (18 and 20) defined by slit (16) which compress together to enable fitting of teeth with retention slots (26) onto retainer tube in a snap action. Retainer tube (12) likewise retains teeth with retainer bars by allowing the shank (74, 80) to fit between the prong-like edges with enlarged head (76, 82) preventing outward movement of teeth. Conventional pins (32) of artificial teeth may also be retained by retainer tube. In accordance with the method, tooth cards (B) are automatically produced in a continuous strip ( 46) by an extrusion molding process and are simultaneously imprinted with identification indicia (35a, 35b, 36, 38, and 40). The extruded strip is then cut into individual tooth cards and artificial teeth which have been molded and retained by a molding cavity (54) are automatically loaded onto an aligned tooth card (B) whereby as set of teeth is carded having a predetermined description and identification the tooth card.

REFERENCES:
patent: 2987841 (1961-06-01), Phillips
patent: 3521357 (1970-07-01), Berglund et al.
patent: 4306860 (1981-12-01), Janssen et al.

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