Special receptacle or package – Combined or convertible – Packaged assemblage or kit
Patent
1979-12-04
1981-10-06
Dixson, Jr., William T.
Special receptacle or package
Combined or convertible
Packaged assemblage or kit
206369, 206373, 206564, B65D 134, A45C 1126
Patent
active
042930740
ABSTRACT:
A root canal treatment kit includes a lower plastic tray of polystyrene formed with recesses for accommodating root canal treatment apparatus and materials formed with an outermost lip for supporting a transparent cover and an inner lip adjacent the outermost lip upon which legs of an upper plastic tray rest. The upper plastic tray is also formed with recesses for accommodating apparatus and material installing rubber dams in connection with root canal treatment above apparatus on the lower tray. The transparent cover encloses both trays and the root canal treatment apparatus and material stored in the recesses. The rubber dams are installed, then the upper tray is removed, and then the materials and apparatus on the lower tray are used to complete the root canal treatment.
REFERENCES:
patent: 3285409 (1966-11-01), Loran
patent: 3358826 (1967-12-01), Siegel
patent: 3802555 (1974-04-01), Grasty et al.
patent: 3982630 (1976-09-01), Garnier
patent: 3987895 (1976-10-01), Jamshidi
patent: 4085845 (1978-04-01), Perfect
patent: 4153160 (1979-05-01), Leigh
Dixson, Jr. William T.
Hieken Charles
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