Tooth cleaning device and method for making the same

Details Tooth cleaning device and method for making the same Tooth cleaning device and method for making the same

1992-11-19

1993-07-06

Watts, Douglas D.

Brush, broom, and mop making

Processes

A46D 300

Patent

active

052247643

ABSTRACT:
The device is improved over earlier versions in providing for the wings of the device maintaining the angular relationship therebetween when the reciprocate crosswise of the space between the arms to accommodate to variance in the diameter of the teeth. It is also improved in providing an implement which is cast about the arms to enwrap them in more sanitary fashion; and in providing a technique for casting the implement in a way which injects a harder casting material into the cores of the bristle.

REFERENCES:
patent: 1967783 (1934-07-01), Rudof
patent: 2621369 (1952-12-01), Gantz et al.
patent: 2783490 (1957-03-01), Kutik
patent: 4691705 (1987-09-01), Reed
patent: 5114214 (1992-05-01), Barman

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