[특허]Abrasive wheel comprising a fan-like structure

J. Walter Company Ltd.

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Abrasive wheel comprising a fan-like structure

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B24B-055/00
미국특허분류(USC)	451/466; 451/449
출원번호	US-0688281 (2010-01-15)
등록번호	US-8246425 (2012-08-21)
발명자 / 주소	Schudel, Werner
출원인 / 주소	J. Walter Company Ltd.
대리인 / 주소	Fish & Richardson P.C.
인용정보	피인용 횟수 : 12 인용 특허 : 3

초록
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The present invention provides an abrasive wheel that comprises a ring-shaped abrasive surface and an integrally formed central portion. The ring-shaped abrasive surface has an outer peripheral edge and an inner peripheral edge. The integrally formed central portion comprises an attachment portion for attaching the abrasive wheel to a rotation source and a plurality of fan blades for directing air-flow over the ring-shaped abrasive surface. The plurality of fan blades are positioned radially inwardly of the inner peripheral edge of the ring-shaped abrasi...

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1. An abrasive wheel, comprising: a. a ring-shaped abrasive surface having an outer peripheral edge and an inner peripheral edge, the ring-shaped abrasive surface being defined by a plurality of overlapping abrasive flaps;b. an integrally formed central portion, comprising: i. a threaded attachment portion for attaching the abrasive wheel to a rotation source;ii. a plurality of fan blades for directing air-flow over the ring-shaped abrasive surface, the plurality of fan blades being positioned radially inwardly of the inner peripheral edge of the ring-shaped abrasive surface. 2. An abrasive wheel as defined in claim 1, wherein a ratio of material removal to wear of the abrasive wheel in grams is between 55:1 and 65:1. 3. An abrasive wheel as defined in claim 1, wherein the integrally formed central portion comprises a front surface and a back surface, wherein the fan blades are positioned on the front surface. 4. An abrasive wheel as defined in claim 3, wherein the integrally formed central portion is closed to the passage of air from the front surface to the back surface. 5. An abrasive wheel as defined in claim 1, wherein front surface of the integrally formed central portion includes a half-torus shaped recess. 6. An abrasive wheel as defined in claim 5, wherein the threaded attachment portion is positioned at the center of the half-torus shaped recess. 7. An abrasive wheel as defined in claim 1, wherein the integrally formed central portion is formed of a plastic material. 8. An abrasive wheel as defined in claim 7, wherein the integrally formed central portion is formed via a molding process. 9. An abrasive wheel as defined in claim 1, wherein the plurality of fan blades are radial fan blades. 10. An abrasive wheel as defined in claim 1, wherein each of the plurality of fan blades has a spoon-shaped side profile. 11. An abrasive wheel as defined in claim 1, wherein the integrally formed central portion is part of a backing plate, the backing plate further comprises an abrasive surface supporting portion to which the ring-shaped abrasive surface is secured. 12. An abrasive wheel, comprising: a. a ring-shaped abrasive surface having an outer peripheral edge and an inner peripheral edge;b. an integrally formed central portion comprising: i. a front surface and a back surface;ii. a threaded attachment portion for attaching the abrasive disc to a rotation source; andiii. a plurality of fan blades located on the front surface for directing air-flow over the abrasive surface, wherein the plurality of fan blades extend radially from the attachment portion to the ring shaped abrasive surface and are spaced evenly around the attachment portion, the central portion being closed to the passage of air from the front surface to the back surface such that the plurality of fan blades displace air over the abrasive surface. 13. An abrasive wheel as described in claim 12, wherein the plurality of fan blades comprises at least eleven fan blades. 14. An abrasive wheel as described in claim 12, wherein the central portion has a depressed center portion. 15. An abrasive wheel as described in claim 12, wherein the plurality of fan blades have a substantially uniform thickness. 16. An abrasive wheel as defined in claim 1, wherein the plurality of overlapping abrasive flaps comprise at least one of abrasive cloth, fiber, paper and a non-woven material with aluminum oxide, zirconium, ceramic, silicone carbide or diamond abrasive grain. 17. An integrally formed backing plate for an abrasive wheel, comprising: a. a front surface and a back surface;b. an abrasive surface attachment portion on the front surface, to which an abrasive surface can be attached;c. a threaded attachment portion for securing the backing plate to a rotation source;d. a plurality of fan blades positioned on the front surface between the threaded attachment portion and the abrasive surface attachment portion, for directing air-flow over an abrasive surface attached to the abrasive surface attachment portion; ande. a central portion extending between the threaded attachment portion and the abrasive surface attachment portion, the plurality of fan blades being positioned on the central portion, wherein the central portion is closed to the passage of air from the front surface to the back surface. 18. An integrally formed backing plate as defined in claim 17, wherein the integrally formed backing plate is formed of at least one of a plastic material, aluminum and zinc. 19. An integrally formed backing plate as defined in claim 18, wherein the integrally formed backing plate is formed via a molding process. 20. An integrally formed backing plate as defined in claim 17, wherein the plurality of fan blades are radial fan blades. 21. An abrasive wheel, comprising: a. an abrasive disc having an abrasive surface and a depressed center portion;b. an integrally formed central portion affixed at least partially within the depressed center portion, the integrally formed central portion comprising: i. an attachment portion for attaching the abrasive disc to a rotation source;ii. a plurality of fan blades defining a spoon-shaped side profile for directing air-flow over the abrasive surface. 22. An abrasive wheel as defined in claim 21, wherein the attachment portion comprises a threaded hole. 23. An abrasive wheel as defined in claim 21, wherein the integrally formed central portion comprises a front surface and a back surface, wherein the fan blades are positioned on the front surface. 24. An abrasive wheel as defined in claim 23, wherein the integrally formed central portion is closed to the passage of air from the front surface to the back surface. 25. An abrasive wheel as defined in claim 23, wherein the front surface of the integrally formed central portion includes a half-torus shaped recess. 26. An abrasive wheel as defined in claim 25, wherein the attachment portion is positioned at the center of the half-torus shaped recess. 27. An abrasive wheel as defined in claim 23, wherein the integrally formed central portion is formed of at least one of plastic material, aluminum and zinc. 28. An abrasive wheel as defined in claim 27, wherein the integrally formed central portion is formed via a molding process. 29. An abrasive wheel as defined in claim 23, wherein the plurality of fan blades are radial fan blades. 30. An abrasive wheel as defined in claim 23, wherein the abrasive wheel is a grinding disc. 31. An abrasive wheel as defined in claim 23, wherein the abrasive disc is formed of at least one of phenolic resin and reinforced fiberglass with an abrasive grain comprising at least one of aluminum oxide, zirconium, ceramic and silicone carbide. 32. An abrasive wheel as described in claim 12, wherein each of the plurality of fan blades defines a spoon-shaped side profile.

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Abrasive wheel comprising a fan-like structure

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Abrasive wheel comprising a fan-like structure

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이 특허에 인용된 특허 (3)

이 특허를 인용한 특허 피인용횟수: 12

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