Device for controlling the dispensing of wax for the...

Details Device for controlling the dispensing of wax for the... Device for controlling the dispensing of wax for the...

2007-02-13

2007-02-13

Lewis, Ralph A. (Department: 3732)

Dentistry

Apparatus

Having heater or electrode

C401S001000, C219S229000, C219S533000

Reexamination Certificate

active

10477690

ABSTRACT:
A device for controlling and dispensing wax for the creation of tracings and moulds comprising a spatula-like tip (3), which is mounted on a hollow handle (4), and a control unit (1). The hollow handle (4) has internally a housing (10) containing a block of solid wax; the housing (10) communicates with a channel (12) for conveying the wax into the vicinity of the spatula-like tip; and heating elements (9) are provided around the housing (10) for the wax. Preferably, the heating temperature may be regulated by the control unit (1) via a spirally wound electrical resistance. According to an advantageous embodiment, the spatula (3) is interchangeable depending on requirements.

REFERENCES:
patent: 3364577 (1968-01-01), Oakleaf
patent: 3522654 (1970-08-01), Schoelz
patent: 3831815 (1974-08-01), Glasgow
patent: 3902043 (1975-08-01), Rogan
patent: 5073696 (1991-12-01), Patillo
patent: 5346394 (1994-09-01), DeStefanis
patent: 6255625 (2001-07-01), Baschenis
patent: 37 32 751 (1989-03-01), None

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