Dentistry – Apparatus – Tool bit
Patent
1999-03-23
2000-05-16
Lewis, Ralph A.
Dentistry
Apparatus
Tool bit
408231, 408239A, A61C 300
Patent
active
060628596
ABSTRACT:
A dental tool holder (2) and/or tool (23) having a tip (22) is made by non-cutting deformation of metal blank (1, 16) and optionally removal of material to provide the dental tool with a pointed tip (22). The blank may have a first part (3, 11) which can define a groove (4), a second part (5, 12) which can be folded to form a shaft (6) and optionally an integral tool forming portion (13).
REFERENCES:
patent: 4006787 (1977-02-01), Rumpp et al.
patent: 4035100 (1977-07-01), Kruger et al.
patent: 4413937 (1983-11-01), Gutsche
patent: 4478578 (1984-10-01), Leonard
patent: 5211560 (1993-05-01), Lowder et al.
patent: 5342200 (1994-08-01), Chalifoux
Einfuhrung in Die Din-Normen, B.G. Teubner, Stuttgart Din 1481 (Nov. 1959) and DIN 7346 (Jul. 1960) pp. 566-567.
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