TOOTH BRUSH - SUNSTAR INC

Title:

TOOTH BRUSH

Document Type and Number:

WIPO Patent Application WO/1997/046137

Kind Code:

A1

Abstract:

A tooth brush having an excellent cleaning effect to detail portions inside an oval cavity to which bacterial plaque easily adheres, such as interdental portions, dental neck portions, pits and fissures, etc., and from which removal of the plaque so deposited by a tooth brush has been regarded as difficult. The tooth brush has a soft impact to the gingiva, does not damage the gingiva nor imparts a pain, is highly stiff and has an excellent plaque removal effect. Sea-and-island type composite fibers, in which two to five islands of polyamide resin are dispersed in a sea portion of a polyester resin, are implanted to an implantation bed, the sea-and-island type composite fiber so implanted has a composite portion comprising the island portions and the sea portions over a predetermined length from the proximal end portion of implantation, and only the island portions are disposed on the distal end side from this composite portion in such a manner as to form two to five core hairs of predetermined length.

Inventors:

MORI TOYOKAZU (JP)
SAKURAI SHINYA (JP)
MATSUMOTO HITOSHI (JP)
NISHIMURA KOKI (JP)
KUBO KOICHI (JP)

Application Number:

PCT/JP1997/001966

Publication Date:

December 11, 1997

Filing Date:

June 05, 1997

Export Citation:

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Assignee:

SUNSTAR INC (JP)
MORI TOYOKAZU (JP)
SAKURAI SHINYA (JP)
MATSUMOTO HITOSHI (JP)
NISHIMURA KOKI (JP)
KUBO KOICHI (JP)

International Classes:

A46B9/04; A46D1/00; A46D1/04; A46D9/00; A47K7/02; D01F8/14; (IPC1-7): A46D1/04; A46D9/00; A47K7/02; B05C17/00

Foreign References:

JPH07231813A	1995-09-05
JPS63131641U	1988-08-29
JPH06141923A	1994-05-24
JPH06277117A	1994-10-04
JPH0399604A	1991-04-24

Other References: