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Gum massaging oral brush

a brush and gum technology, applied in the field of oral brushes and bristles, can solve the problems of affecting the cleaning effect of the teeth, and achieve the effect of good gum stimulation, good comfort and gum stimulation

Inactive Publication Date: 2007-10-11
GILLETTE CANADA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007] The invention features improved gum-massaging oral brushes which provide good comfort and gum stimulation while also providing good cleaning of the teeth. The invention also features bristles for use in gum-massaging oral brushes.

Problems solved by technology

However, the benefits of frequent brushing can be accompanied in some instances by deleterious side effects such as irritation, abrasion and even recession of the gums.
These side effects may, in part, result from excessive stiffness and / or sharpness of the toothbrush bristles.
Conventional toothbrushes tend to have limited effectiveness for gum-massaging, and thus often a separate gum-massaging procedure, using a gum-massaging tool, is required to ensure good oral health.

Method used

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Examples

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Embodiment Construction

[0025] Referring to FIG. 1, a toothbrush 10 includes a plastic body having a handle 12 and a head 14 attached to a bristle portion 16.

[0026] The body of the toothbrush is formed by conventional methods well-known in the art. The handle is shaped to be grasped by a hand, but alternatively can be shaped to fit into an electric toothbrush. The configuration of the head can vary and may be rectangular, oval, diamond-shaped, or any other shape, with bristles which are trimmed flat, serrated, v-shaped, convex curved, or any other desired topography, as is well known in the art. The shape and size of handle 12 and head 14 can vary and the axes of the handle and head may be on the same or a different plane. It may be desired to provide a larger head than is conventional, in order to provide extra room for the thermoplastic elastomer bristles, while still retaining the standard number of non-elastomeric bristles.

[0027] Brush portion 16 includes a number of non-elastomeric bristles 18 and a...

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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.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application is a continuation (and claims the benefit of priority under 35 U.S.C. § 120) of pending U.S. application Ser. No. 11 / 248,087, filed Oct. 12, 2005, which is a continuation of U.S. application Ser. No. 10 / 991,911, filed Nov. 18, 2004; which is a continuation of pending U.S. application Ser. No. 10 / 692,916, filed Oct. 24, 2003; which is a continuation of pending U.S. application Ser. No. 10 / 036,022, filed Dec. 26, 2001; which is a divisional of U.S. application Ser. No. 09 / 660,151, filed Sep. 13, 2000, now abandoned; which is a continuation of U.S. application Ser. No. 09 / 351,588, filed Jul. 12, 1999, now U.S. Pat. No. 6,151,745; which is a continuation of U.S. application Ser. No. 08 / 730,286, filed Nov. 30, 1996, now U.S. Pat. No. 5,987,688; which is a continuation-in-part of Ser. No. 08 / 554,931, filed Nov. 9, 1995, now abandoned.BACKGROUND OF THE INVENTION [0002] The invention relates to oral brushes and bristles for use...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A46B15/00A46B1/00B29C65/00A46B3/16A46B9/06A46D1/00
CPCA46B3/16A46B9/06A46B15/0002A46B15/0032A46B15/0075Y10S15/06A46B2200/1066A46D1/00A46D1/0207A46D1/023B29L2031/425A46B2200/1026
Inventor ROBERTS, MICHAELMASTERMAN, THOMAS CRAIGPARK, EDWARD H.BATSON, SCOTTSWEENEY, PHILIPTSENG, MINGCHIH M.WITKUS, STEPHEN C.
Owner GILLETTE CANADA
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