Monofilaments with split ends

A - Human Necessities – 46 – B

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

A46B 9/04 (2006.01) A46B 1/00 (2006.01) A46D 1/00 (2006.01) D01D 5/08 (2006.01) D01D 5/24 (2006.01) D01D 5/253 (2006.01)

Patent

CA 2287342

Monofilaments with split ends. The monofilaments can be used to form toothbrush bristles having flagged or feathered tips. Each of the monofilaments has a plurality of internal fusion lines and at least four voids, wherein the voids comprise between 5 and 20 % of the cross-sectional area of the monofilaments. Preferably, the monofilaments each have a diameter in a range of 0.0025 to 0.012 inches, and have a hexalocular or an octalocular configuration. The monofilaments are manufactured by extruding a plurality of thermoplastic polymeric streams, rotating a plurality of cutting blades above 1000 rpm, and placing a plurality of cutting blades in contact with end portions of the plurality of thermoplastic polymeric streams to form split ends.

L'invention concerne des monofilaments à extrémités fendues. Les monofilaments peuvent être utilisés pour former des poils de brosse à dents dont les pointes sont assouplies et effilées. Chaque monofilament présente une pluralité de lignes internes de fusion et au moins quatre parties évidées occupant entre 5 et 20 % de la superficie de section des monofilaments. Chaque monofilament présente de préférence un diamètre compris entre 0,0025 et 0,012 pouces et une configuration à six ou huit parties évidées. Les monofilaments sont fabriqués par extrusion d'une pluralité de flux thermoplastiques polymériques, par rotation d'une pluralité de lames tranchantes au-dessus de 1000 tours/mn et par la mise en contact d'une pluralité de lames tranchantes avec les extrémités des flux thermoplastiques polymériques de façon à former des extrémités fendues.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Monofilaments with split ends does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Monofilaments with split ends, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Monofilaments with split ends will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1881580

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.