Gum-massaging oral brush
AssigneeGillette Canada Inc.
InventorsMichael F. Roberts, T. Craig Masterman, Edward Hosung Park, Philip J. Sweeney, Mingchih M. Tseng, Stephen C. Witkus
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Abstract
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 from 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.
Claims2
An oral brush comprising:
- an elongated body;
- a head portion extending from said body;
- and
- a brush portion comprising a plurality of bristles extending from said head portion, said bristles comprising a thermoplastic elastomer sheath surrounding a core comprising a thermoplastic elastomer having a higher hardness than said thermoplastic elastomer sheath.
Dependencies are inferred from the claim text.