A - Human Necessities – 61 – H
Patent
A - Human Necessities
61
H
A61H 13/00 (2006.01) A46B 3/16 (2006.01) A46B 9/06 (2006.01) A46B 15/00 (2006.01) A46D 1/00 (2006.01)
Patent
CA 2236416
An oral brush is provided that includes an elongated body, a head portion extending from the body, and a plurality of bristles, formed of particular thermoplastic elastomers, extending from the body. In various embodiments, the thermoplastic elastomer has a Shore A hardness of at least 30; the thermoplastic elastomer is selected form the group consisting of polyetheramides, polyesters, styrene-ethylene-butylene-styrene block copolymers, polyurethanes, polyolefin elastomers, and mixtures thereof; and the thermoplastic elastomer has a flexural modulus of at least 5 MPa.
Cette brosse comprend un manche allongé, une tête prolongeant ce corps, et des poils constitués d'élastomères thermoplastiques spéciaux, qui prolongent ce corps. Dans diverses variantes, l'élastomère thermoplastique présente une dureté de Shore A d'au moins 30 et il est choisi dans le groupe consistant en des polyétheramides, polyesters, copolymères en bloc de styrène-éthylène-styrène, polyuréthanes, élastomères polyoléfiniques et leurs mélanges. Cet élastomère thermoplastique présente un module d'élasticité en flexion d'au moins 5 MPa.
Masterman T. Craig
Park Edward Hosung
Roberts Michael F.
Sweeney Philip J.
Tseng Mingchih M.
Gillette Canada Inc.
Macrae & Co.
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