公开(公告)号：US3843297A

公开(公告)日：1974-10-22

申请号：US38571973

申请日：1973-08-06

申请人： ESPINOSA R

发明人： ESPINOSA R

IPC分类号： A61C15/04 ,  B26F3/06 ,  B29C17/14

CPC分类号： A61C15/046 ,  A61C15/041 ,  A61C15/045 ,  B26F3/06

摘要： Apparatus for preparing measured lengths of dental floss for use in dental hygiene devices which include stretching wax-coated synthetic unplasticized vinyl resin dental floss between a pair of spaced clamps, closing a grid of heat resistant bars about the stretched dental floss and applying a high-heat source to the dental floss between the bars of the grid to melt the exposed dental floss thereby forming measured lengths of dental floss with nubs at each end thereof.

公开(公告)号：US3769396A

公开(公告)日：1973-10-30

申请号：US3769396D

申请日：1971-03-24

申请人： ESPINOSA R

发明人： ESPINOSA R

IPC分类号： A61C15/04 ,  B26F3/06 ,  B29C17/14 ,  B29D31/00

CPC分类号： A61C15/046 ,  A61C15/041 ,  A61C15/045 ,  B26F3/06

摘要： A method and apparatus for preparing measured lengths of dental floss for use in dental hygiene devices which include stretching wax-coated synthetic unplasticized vinyl resin dental floss between a pair of spaced clamps, closing a grid of heat resistant bars about the stretched dental floss and applying a high-heat source to the dental floss between the bars of the grid to melt the exposed dental floss thereby forming measured lengths of dental floss with rubs at each end thereof.