发明名称 Cord impregnator
摘要 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.
申请公布号 US5088441(A) 申请公布日期 1992.02.18
申请号 US19900571218 申请日期 1990.08.23
申请人 BELPORT CO., INC. 发明人 BELL, JOSEPH V.
分类号 A61C9/00;B05C3/12;B05C11/02 主分类号 A61C9/00
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