Cord impregnator

Details Cord impregnator Cord impregnator

1990-08-23

1992-02-18

Wityshyn, Michael

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

Plural treatments

28180, 28183, 118117, 118405, 118420, 118DIG19, 118DIG20, B05C 3172, B05C 1102

Patent

active

050884417

ABSTRACT:
The method of impregnating and the apparatus for impregnating a thin cord with a medicinal solution with the cord to be used in the dental field as an appliance for gingival retraction in conjunction with the teeth of a human being. The cord is immersed in a bath of the medicinal solution, moved from the bath to a squeezing roller assembly so that the medicinal solution evenly permeates the cord, removing excess solution, drying the cord and winding the cord on a wind-up reel prior to being dispensed to the consumer.

REFERENCES:
patent: 397539 (1889-02-01), Dahlgren
patent: 1949237 (1934-02-01), Bradner
patent: 2547047 (1951-04-01), Saums et al.
patent: 2851763 (1958-09-01), Adams

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