JPH11501247A - 歯洗浄装置およびそのアタッチメント - Google Patents
歯洗浄装置およびそのアタッチメントInfo
- Publication number
- JPH11501247A JPH11501247A JP9524156A JP52415697A JPH11501247A JP H11501247 A JPH11501247 A JP H11501247A JP 9524156 A JP9524156 A JP 9524156A JP 52415697 A JP52415697 A JP 52415697A JP H11501247 A JPH11501247 A JP H11501247A
- Authority
- JP
- Japan
- Prior art keywords
- brush holder
- pivot
- extension
- attachment
- longitudinal axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/40—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like orbiting, e.g. nutating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/349—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor with multiple brush bodies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3436—Rotation around the axis perpendicular to the plane defined by the bristle holder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
- A61C17/3409—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
- A61C17/3454—Translation along the axis perpendicular of the axis of toothbrush handle and in the plane defined by the bristle holder
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C2204/00—Features not otherwise provided for
- A61C2204/002—Features not otherwise provided for using batteries
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Brushes (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.手で把持するようにした把手部(2)を具え、この把手部は駆動部材(33)を駆 動するためのモータ(28)を収納し、長手方向軸(4)に沿って伸びその把手部(2)か ら長手方向軸の方向に伸長する伸長部(5)と、伸長部(5)の自由端(13)に隣接して 伸長部(5)上に配置されたブラシホルダー(14)とを具え、このブラシホルダーは 前記長手方向軸(4)と直交する方向に突出するブラシ剛毛(10)を具え、前記長手 方向軸(4)と直交する方向で且つ実質的にそれが保持している剛毛(10)の突出す る方向に伸びる1本の枢軸(15)の周りを枢動自在に動くようにされ、前記モータ (28)の駆動によって、駆動手段(33)を介して前記枢軸(15)の周りを弓形半円軌道 を描いて往復運動するようにされ、またこのブラシホルダー(14)の近傍に、伸長 部(5)の自由端(7)近くで前記伸長部上に1個の歯間ブラシホルダー(16)を具え、 この歯間ブラシホルダーはブラシホルダーの剛毛(10)に隣り合って長手方向軸(4 )から直角方向に突出する歯間ブラシ剛毛(12)を保持し、この歯間ブラシホル ダーは駆動手段(33)の駆動部材(69)に係合しており、前記駆動部材はもう1本の 更なる枢軸(17)の周りを枢動自在であり、前記モータ(28)の駆動によって、駆動 手段(33)を介して前記更なる枢軸(17)の周りを弓形半円軌道を描いて往復運動す るようにされた歯洗浄装置(1)において、 その周りを駆動部材(69)が枢動自在であるもう1本の更なる枢軸(17)はさら に、伸長部(5)の長手方向軸(4)から直角方向に伸びており、歯間ブラシホルダー (16)から突出する歯間ブラシ剛毛(16)の各自由端が、ブラシホルダーから突出す るブラシ剛毛(10)の自由端の主要部分とともに、ブラシホルダー(14)の枢軸(15) に対し直角方向に伸びる平面上で、それに平行な運動をするようにしたことを特 徴とする歯洗浄装置。 2.請求項1に記載した装置(1)において、 その周りを駆動部材(69)が枢動自在であるもう1本の更なる枢軸(17)は、そ の周りをブラシホルダー(14)が枢動自在である枢軸(15)と平行であることを特徴 とする歯洗浄装置。 3.請求項1又は2に記載した装置(1)において、 歯間ブラシホルダー(16)と駆動部材(69)とは一体的に形成され、歯間ブラシ ホルダー(16)は更なる枢軸(17)の周りを弓形半円軌道を描いて往復動するように したことを特徴とする歯洗浄装置。 4.請求項1乃至3の内1項に記載した装置(1)において、 長手方向軸4の方向と平行する方向で見て、歯間ブラシホルダー(16)は、ブ ラシホルダー(14)の側部の位置にあって、伸長部(5)の自由端部分(7)がその側面 に接しているブラシホルダー(14)の側面領域で伸長部の上にあることを特徴とす る歯洗浄装置。 5.請求項4に記載した装置(1)において、 長手方向軸4の方向と平行する方向で見て、駆動部材(69)が枢動自在にされ ている更なる枢軸(17)は、ブラシホルダー(14)を枢動自在にされている枢軸(15) から分かれて、伸長部(5)の自由端(7)から離れる方向に傾斜していることを特徴 とする歯洗浄装置。 6.請求項1乃至5の内1項に記載した装置(1)において、 モータ(28)で駆動される駆動手段(33)が、通孔を有する伸長部(5)を縦断す る連結棒(52)を具え、伸長部(5)の自由端(7)に位置する端部(56)が枢動カップリ ング(60)を介してブラシホルダー(14)に連結され、 またこの駆動手段(33)が更にブラシホルダー(14)と駆動部材(69)との間で、 ピン−スロット・カップリング(71)によって構成され、このピン−スロット・カ ップリング(71)を介して駆動部材(69)はブラシホルダー(14)により駆動可能とさ れていることを特徴とする歯洗浄装置。 7.請求項6に記載した装置(1)において、 ピン−スロット・カップリング(71)が駆動部材(69)から突出し枢軸(15)と平 行である1本のピン(68)を含み、このピンは2本の枢軸からは偏心して配置され 、ブラシホルダー(14)に形成された1個のスロット(70)に係合しており、このス ロットは、ブラシホルダー(14)が枢動自在に取り付けられている枢軸(15)から渦 巻き状に伸びていることを特徴とする歯洗浄装置。 8.請求項1乃至7の内1項に記載した装置(1)において、 伸長部(5)と把手部(2)とは、伸長部(5)を把手部(2)に着脱自在に取り付ける ためのカップリング手段(25)を設けたことを特徴とする歯洗浄装置。 9.長手方向軸(4)に沿って伸びその把手部(2)から長手方向軸の方向に伸長する 伸長部(5)と、伸長部(5)の自由端(7)に隣接して伸長部(5)上に配置されたブラシ ホルダー(14)とを具え、このブラシホルダーは前記長手方向軸(4)と直交する方 向に突出するブラシ剛毛(10)を具え、前記長手方向軸(4)と直交する方向で且つ 実質的にそれが保持している剛毛(10)の突出する方向に伸びる1本の枢軸(15)の 周りを枢動自在に動くようにされ、前記枢軸(15)の周りを弓形半円軌道を描いて 往復運動するようにされ、またこのブラシホルダー(14)の近傍に、伸長部(5)の 自由端(7)近くで前記伸長部上に1個の歯間ブラシホルダー(16)を具え、この歯 間ブラシホルダーはブラシホルダーの剛毛(10)に隣り合って長手方向軸(4)から 直角方向に突出する歯間ブラシ剛毛(12)を保持し、この歯間ブラシホルダーは駆 動部材(69)に係合しており、前記駆動部材はもう1本の更なる枢軸(17)の周りを 枢動自在であり、前記更なる枢軸(17)の周りを弓形半円軌道を描いて往復運動す るようにされた、歯洗浄装置(1)の把手部(2)上に取り付けられるようにしたアタ ッチメント(3)において、 その周りを駆動部材(69)が枢動自在であるもう1本の更なる枢軸(17)はさら に、伸長部(5)の長手方向軸(4)から直角方向に伸びており、歯間ブラシホルダー (16)から突出する歯間ブラシ剛毛(16)の各自由端が、ブラシホルダーから突出す るブラシ剛毛(10)の自由端の主要部分とともに、ブラシホルダー(14)の枢軸(15) に対し直角方向に伸びる平面上で、それに平行な運動をするようにしたことを特 徴とする歯洗浄装置。 10.請求項9に記載したアタッチメント(3)において、 その周りを駆動部材(69)が枢動自在であるもう1本の更なる枢軸(17)は、そ の周りをブラシホルダー(14)が枢動自在である枢軸(15)と平行であることを特徴 とするアタッチメント。 11.請求項9又は10に記載したアタッチメント(3)において、 歯間ブラシホルダー(16)と駆動部材(69)とは一体的に形成され、歯間ブラシ ホルダー(16)は更なる枢軸(17)の周りを弓形半円軌道を描いて往復動するよう にしたことを特徴とするアタッチメント。 12.請求項9乃至11の内1項に記載したアタッチメント(3)において、 長手方向軸4の方向と平行する方向で見て、歯間ブラシホルダー(16)は、ブ ラシホルダー(14)の側部の位置にあって、伸長部(5)の自由端部分(7)がその側面 に接しているブラシホルダー(14)の側面領域で伸長部の上にあることを特徴とす るアタッチメント。 13.請求項12に記載したアタッチメント(3)において、 長手方向軸4の方向と平行する方向で見て、駆動部材(69)が枢動自在にされ ている更なる枢軸(17)は、ブラシホルダー(14)を枢動自在にされている枢軸(15) から分かれて、伸長部(5)の自由端(7)から離れる方向に傾斜していることを特徴 とするアタッチメント。 14.請求項9乃至13の内1項に記載したアタッチメント(3)において、 モータ(28)で駆動される駆動手段(33)が、通孔を有する伸長部(5)を縦断す る連結棒(52)を具え、伸長部(5)の自由端(7)に位置する端部(56)が枢動カップリ ング(60)を介してブラシホルダー(14)に連結され、 またこの駆動手段(33)が更にブラシホルダー(14)と駆動部材(69)との間で、 ピン−スロット・カップリング(71)によって構成され、このピン−スロット・カ ップリング(71)を介して駆動部材(69)はブラシホルダー(14)により駆動可能とさ れていることを特徴とするアタッチメント。 15.請求項14に記載したアタッチメント(3)において、 ピン−スロット・カップリング(71)が駆動部材(69)から突出し枢軸(15)と平 行である1本のピン(68)を含み、このピンは2本の枢軸からは偏心して配置され 、ブラシホルダー(14)に形成された1個のスロット(70)に係合しており、このス ロットは、ブラシホルダー(14)が枢動自在に取り付けられている枢軸(15)から渦 巻き状に伸びていることを特徴とするアタッチメント。 16.請求項9乃至15の内1項に記載したアタッチメント(3)において、 伸長部(5)と把手部(2)とは、伸長部(5)を把手部(2)に着脱自在に取り付ける ためのカップリング手段(25)を設けたことを特徴とするアタッチメント。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT211295 | 1995-12-28 | ||
| AT2112/95 | 1995-12-28 | ||
| PCT/IB1996/001463 WO1997024079A1 (en) | 1995-12-28 | 1996-12-23 | Dental cleaning device and attachment for such a device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11501247A true JPH11501247A (ja) | 1999-02-02 |
| JPH11501247A5 JPH11501247A5 (ja) | 2004-11-11 |
Family
ID=3528037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9524156A Ceased JPH11501247A (ja) | 1995-12-28 | 1996-12-23 | 歯洗浄装置およびそのアタッチメント |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5836030A (ja) |
| EP (1) | EP0812163B1 (ja) |
| JP (1) | JPH11501247A (ja) |
| CN (1) | CN1090011C (ja) |
| AT (1) | ATE214253T1 (ja) |
| DE (1) | DE69619802T2 (ja) |
| WO (1) | WO1997024079A1 (ja) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007523688A (ja) * | 2003-07-16 | 2007-08-23 | チャーチ・アンド・ドゥワイト・カンパニー・インコーポレイテッド | 可動毛、断続可動毛および固定毛を有する電動歯ブラシ |
| JP2007252962A (ja) * | 2001-11-07 | 2007-10-04 | Procter & Gamble Co | 電動歯ブラシ |
| US7428766B2 (en) | 2002-01-31 | 2008-09-30 | Colgate-Palmolive Company | Powered toothbrush |
| US7430778B2 (en) | 2002-01-31 | 2008-10-07 | Colgate-Palmolive Company | Powered toothbrush |
| JP2014198269A (ja) * | 2014-07-28 | 2014-10-23 | 協和工業株式会社 | 電動歯ブラシ |
| JP2019500973A (ja) * | 2016-01-08 | 2019-01-17 | ブルーレオ インコーポレイテッド | 密閉型の歯洗浄器具 |
Families Citing this family (166)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7645598A (en) * | 1997-04-22 | 1998-11-13 | Braun Aktiengesellschaft | Electrically driven dental scaling apparatus |
| EP0994680A1 (en) * | 1998-05-05 | 2000-04-26 | Koninklijke Philips Electronics N.V. | Toothbrush comprising a brush member having a bristle field and an interdental bristle field |
| US6564940B2 (en) | 1998-09-30 | 2003-05-20 | The Procter & Gamble Company | Electric toothbrush |
| US6178579B1 (en) | 1998-09-30 | 2001-01-30 | Dr. Johns Products, Ltd. | Electric toothbrush |
| US6371294B1 (en) | 1998-09-30 | 2002-04-16 | The Procter & Gamble Company | Electric toothbrush |
| USD456998S1 (en) | 1999-01-25 | 2002-05-14 | Lawrence A. Blaustein | Head portion of an electric toothbrush |
| RU2234287C2 (ru) * | 1999-01-25 | 2004-08-20 | Проктер Энд Гэмбл Интернэшнл Оперейшнз Са | Электрическая зубная щетка |
| EP1087722A1 (en) | 1999-04-14 | 2001-04-04 | Koninklijke Philips Electronics N.V. | Device with rechargeable battery |
| US7743448B2 (en) * | 1999-06-11 | 2010-06-29 | Gavney Jr James A | Device and system with moving squeegee fields |
| US6301814B1 (en) * | 1999-08-11 | 2001-10-16 | Smithkline Beecham Corporation | Display for a flexible head toothbrush |
| US6574820B1 (en) * | 1999-10-22 | 2003-06-10 | The Gillette Company | Brush head for toothbrush |
| CN1341006A (zh) | 1999-10-29 | 2002-03-20 | 皇家菲利浦电子有限公司 | 一种具有主刚毛和横纵向均可调节的齿间刚毛的牙刷 |
| US7086111B2 (en) | 2001-03-16 | 2006-08-08 | Braun Gmbh | Electric dental cleaning device |
| DE10034957A1 (de) | 2000-07-19 | 2002-02-07 | Braun Gmbh | Elektrische Zahnbürste |
| JP2002113024A (ja) * | 2000-08-11 | 2002-04-16 | Addway Engineering Ltd | 電気歯ブラシ |
| USD475529S1 (en) | 2000-11-01 | 2003-06-10 | Colgate-Palmolive Company | Electric toothbrush |
| US6920659B2 (en) | 2001-01-12 | 2005-07-26 | Water Pik, Inc. | Toothbrush |
| USD484311S1 (en) | 2001-01-12 | 2003-12-30 | Water Pik, Inc. | Disposable toothbrush |
| DE10159395B4 (de) | 2001-12-04 | 2010-11-11 | Braun Gmbh | Vorrichtung zur Zahnreinigung |
| DK1367958T3 (da) | 2001-03-14 | 2008-01-28 | Braun Gmbh | Anordning til tandrensning |
| US6836917B2 (en) | 2001-05-07 | 2005-01-04 | The Procter & Gamble Company | Replaceable head electric toothbrush and connection structure therefor |
| US6848141B2 (en) | 2001-06-08 | 2005-02-01 | Colgate-Palmolive Company | Brush section for an electric toothbrush |
| US6952855B2 (en) * | 2001-06-29 | 2005-10-11 | Homedics, Inc. | Automatic electric toothbrush |
| US6889829B2 (en) * | 2001-06-29 | 2005-05-10 | Homedics, Inc. | Automatic electric toothbrush in a display package |
| US6895625B2 (en) | 2001-06-29 | 2005-05-24 | Homedics, Inc. | Automatic electric toothbrush |
| US6792640B2 (en) | 2001-06-29 | 2004-09-21 | Homedics, Inc. | Automatic electric toothbrush |
| WO2004028235A2 (en) * | 2002-09-27 | 2004-04-08 | Colgate-Palmolive Company | Toothbrush |
| US7908699B2 (en) | 2001-07-03 | 2011-03-22 | Colgate-Palmolive Company | Oral care implement |
| EP1404245A4 (en) | 2001-07-12 | 2006-04-05 | Water Pik Inc | TWO-TONE ORAL HYGIENE DEVICE |
| US20030066145A1 (en) * | 2001-10-04 | 2003-04-10 | Prineppi Frank J. | Electric toothbrushes |
| US20030084526A1 (en) * | 2001-11-06 | 2003-05-08 | The Procter & Gamble Co. | Multi-motion toothbrush |
| US6725490B2 (en) | 2001-11-06 | 2004-04-27 | The Procter & Gamble Company | Complex motion toothbrush |
| US6928685B1 (en) | 2001-11-06 | 2005-08-16 | The Procter & Gamble Company | Complex motion toothbrush |
| US7640614B2 (en) | 2001-11-06 | 2010-01-05 | The Procter & Gamble Company | Multi motion toothbrush |
| US20030084527A1 (en) * | 2001-11-06 | 2003-05-08 | The Procter & Gamble Co. | Multi-motion toothbrush |
| EP1441665B1 (en) * | 2001-11-06 | 2012-03-21 | The Procter & Gamble Company | Multi-motion toothbrush |
| USD499884S1 (en) | 2002-03-15 | 2004-12-21 | The Procter & Gamble Company | Electric toothbrush |
| AU2008200589B2 (en) * | 2002-01-31 | 2009-09-10 | Colgate-Palmolive Company | Powered toothbrush |
| USD487349S1 (en) | 2002-02-01 | 2004-03-09 | Water Pik, Inc. | Dental device |
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| FR807900A (fr) * | 1934-12-19 | 1937-01-23 | Brosse à dents rotative | |
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| US5524312A (en) * | 1995-03-06 | 1996-06-11 | Tan; Kuo-Ching | Electric toothbrush |
-
1996
- 1996-12-23 AT AT96940699T patent/ATE214253T1/de not_active IP Right Cessation
- 1996-12-23 DE DE69619802T patent/DE69619802T2/de not_active Expired - Fee Related
- 1996-12-23 JP JP9524156A patent/JPH11501247A/ja not_active Ceased
- 1996-12-23 US US08/774,586 patent/US5836030A/en not_active Expired - Fee Related
- 1996-12-23 EP EP96940699A patent/EP0812163B1/en not_active Expired - Lifetime
- 1996-12-23 WO PCT/IB1996/001463 patent/WO1997024079A1/en not_active Ceased
- 1996-12-23 CN CN96193337A patent/CN1090011C/zh not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007252962A (ja) * | 2001-11-07 | 2007-10-04 | Procter & Gamble Co | 電動歯ブラシ |
| US7428766B2 (en) | 2002-01-31 | 2008-09-30 | Colgate-Palmolive Company | Powered toothbrush |
| US7430778B2 (en) | 2002-01-31 | 2008-10-07 | Colgate-Palmolive Company | Powered toothbrush |
| US8020238B2 (en) * | 2002-01-31 | 2011-09-20 | Colgate-Palmolive Company | Powered toothbrush |
| JP2007523688A (ja) * | 2003-07-16 | 2007-08-23 | チャーチ・アンド・ドゥワイト・カンパニー・インコーポレイテッド | 可動毛、断続可動毛および固定毛を有する電動歯ブラシ |
| JP2014198269A (ja) * | 2014-07-28 | 2014-10-23 | 協和工業株式会社 | 電動歯ブラシ |
| JP2019500973A (ja) * | 2016-01-08 | 2019-01-17 | ブルーレオ インコーポレイテッド | 密閉型の歯洗浄器具 |
Also Published As
| Publication number | Publication date |
|---|---|
| US5836030A (en) | 1998-11-17 |
| EP0812163B1 (en) | 2002-03-13 |
| DE69619802D1 (de) | 2002-04-18 |
| ATE214253T1 (de) | 2002-03-15 |
| CN1090011C (zh) | 2002-09-04 |
| CN1181697A (zh) | 1998-05-13 |
| DE69619802T2 (de) | 2002-11-14 |
| EP0812163A1 (en) | 1997-12-17 |
| WO1997024079A1 (en) | 1997-07-10 |
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