Dental floss for cleaning teeth has number of elevations and constrictions whereby elevations have radius bigger than constrictions if floss is not pulled apart and have smaller radius, if floss is pulled apart from both ends

摘要

The dental floss (1) has a number of flexible elevations (11) and constrictions (12) which are arranged alternately to elevations. The elevations have a radius bigger than constrictions if the floss is not pulled apart from both ends. The elevations have a smaller radius, if dental floss is pulled apart from both ends. An independent claim is also included for the method.