[특허]Tire including projections having sides of unequal length and an undercut extending beneath the apex

[미국특허] Tire including projections having sides of unequal length and an undercut extending beneath the apex 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60C-011/13
출원번호	US-0024869 (2001-12-19)
등록번호	US-7497240 (2009-03-03)
발명자 / 주소	Zimmer,Rene Jean Boes,Claude Ernest Felix
출원인 / 주소	The Goodyear Tire & Rubber Company
대리인 / 주소	O'Planick,Richard B.
인용정보	피인용 횟수 : 5 인용 특허 : 19

초록 ▼

The tire has a plurality of radially outer rubber components defining a radially outer surface (S1) exposed to fluids having a relative displacement with respect to the rotating tire. At least one radially outer component has projections, the projections being defined by first sides (2) and second sides (2') of unequal length. The first sides (2) have a greater length, delimiting therebetween an angle α ranging from 5�� to 60�� and forming at their intersection an apex (P). The projections protrude by a height (h) from the radially outer surface (S1) from which said first and second sides originate, the height (h) ranging from 0.2 to 100 micrometers. In more than 75% of the projections, any plane tangent to the first side (2) of the projection cuts the radially outer surface (S1) at an acute angle.

대표청구항 ▼

What is claimed is: 1. A tire having a plurality of radially outer rubber components, the components defining a radially outer surface (S1) of the tire and being exposed to fluids having a relative displacement with respect to the rotating tire, the tire comprising at least one radially outer component having projections, the projections being defined by first sides (2) and second sides (2') of unequal length, the first sides (2) having the greater length, delimiting therebetween an angle α ranging from 5�� to 60�� and forming at their intersection an apex (P), which protrudes by a height (h) from the radially outer surface (S1) from which said first and second sides originate, the second side (2') forming with the outer surface (S1) an undercut extending beneath the apex (P), and the height (h) ranging from 0.2 to 100 micrometers and in more than 75% of the projections, any plane tangent to the first side (2) of the projection cutting the radially outer surface (S1) at an acute angle and wherein said at least one radially outer rubber component is a tread. 2. The tire according to claim 1, wherein said projections are provided on the bottom of at least one groove provided in the tread. 3. The tire according to claim 1, wherein said projections are provided on at least one sidewall of at least one groove of the tread. 4. The tire according to claim 3, wherein said at least one groove is a circumferentially extending groove. 5. A tire having a plurality of radially outer rubber components, the components defining a radially outer surface (S1) of the tire and being exposed to fluids having a relative displacement with respect to the rotating tire, the tire comprising at least one radially outer component having projections, the projections being defined by first sides (2) and second sides (2') of unequal length, the first sides (2) having the greater length, delimiting therebetween an angle α ranging from 5�� to 60�� and forming at their intersection an apex (P), which protrudes by a height (h) from the radially outer surface (S1) from which said first and second sides originate, the second side (2') forming with the outer surface (S1) an undercut extending beneath the apex (P), and the height (h) ranging from 0.2 to 100 micrometers and in more than 75% of the projections, any plane tangent to the first side (2) of the projection cutting the radially outer surface (S1) at an acute angle and wherein said projections are delimited in the region of apexes (P) by a curved line. 6. A tire according to claim 5, wherein said plane cutting the radially outer surface at an acute angle is tangent to the first side (2) of the projection at a height not exceeding 75% of the total height of the projection.

이 특허에 인용된 특허 (19) 인용/피인용 타임라인 분석

Hinks William L. (Akron OH) Kinstler John R. (Mason MI), Bar code configuration and method of molding.
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Savill Anthony M. (Cambridge GB2), Boundary layer devices.
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Walsh Michael J. (Newport News VA) Anders John B. (Yorktown VA) Hefner Jerry N. (Newport News VA), Combined riblet and lebu drag reduction system.
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Kemp Preston Butler ; Ramsey Todd Stanton, Design pattern for a tire.
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Attinello John Steven (Hartville OH) Landers Samuel Patrick (Uniontown OH), Design patterns for a tire sidewall.
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Lbert Gerhard (Baldham DEX) Bschorr Oskar (Munich DEX) Spies Hans (Pfaffenhofen DEX), Device for reducing the frictional drag of moving bodies.
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Fronek Daniel R. ; Kryzer Timothy J.,BEX, Drag reduction article.
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Drews Hilbert F. P. (5640 S. 76th St. Greendale WI 53129), Driven craft having surface means for increasing propulsion efficiencies.
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Roberts Charles W. (Akron OH) Lowther Homer B. (Danville VA), Indicia for rubber articles.
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Baker Mary E. (Shelbyville IN), Laser cutting method for marking tire appliques.
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Epperson David L. (Granite Falls WA), Particulate spacers for touch sensitive overlay panel applications.
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Richard Heinen BE, Pneumatic tire tread having groove with peaks and valleys.
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Ojakaar Leo (Hockessin DE), Polyurethane compositions for tire sidewalls and composite articles.
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Drews Hilbert F. P. (5640 S. 76th St. Greendale WI 53219), Propelled apparatus having surface means for developing increased propulsion efficiencies.
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Nagasaka Chikao (Nagoya JPX) Kato Hiroyuki (Aichi JPX) Ohno Hirofumi (Nagoya JPX) Irifune Shinichi (Yokkaichi JPX), Rotary indicating device.
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Bonko Mark L. (Hartville OH) Lopp ; Jr. Loran C. (Wadsworth OH), Self-cleaning tire tread.
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Arimoto Kunio (Takasago JPX) Yoshida Nobuo (Kobe JPX) Ohtani Haruo (Hyogo JPX) Ikkaku Yasuhiko (Kobe JPX), Tire polishing and protective composition.
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Yamashita Fumikazu (Kobe JPX), Tire with a high visibility embossed mark.
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Fukumoto Takahiro,JPX ; Nakada Yoko,JPX ; Mizuno Yoichi,JPX ; Kadomaru Kazuo,JPX, Tread rubber composition and tire using the composition.
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이 특허를 인용한 특허 (5) 인용/피인용 타임라인 분석

Yano, Takeshi, Aircraft tire.
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Lang, Amy W., Micro-array surface for passive drag modification.
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Lang, Amy Warncke, Passive micro-roughness array for drag modification.
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Yasunaga, Toshikazu, Pneumatic tire.
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D'Harcourt, Jean-Marc; Sonilhac, Fabien, Tyre provided with an expelled-water deflector device.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Tire including projections having sides of unequal length and an undercut extending beneath the apex 원문보기