IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0619744
(2000-07-19)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- 3M Innovative Properties Company
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
28 인용 특허 :
97 |
초록
Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes.
대표청구항
▼
Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes. cap, and a ring supported by the cover within the hollow interior to enhance the iner
Fused abrasive particles comprising eutectic material. The fused abrasive particles can be incorporated into abrasive products such as coated abrasives, bonded abrasives, non-woven abrasives, and abrasive brushes. cap, and a ring supported by the cover within the hollow interior to enhance the inertia of the top during the rotation of the top and to enhance the stability in the operation of the top during the rotation of the top wherein the cap is removably disposed on the rotary member and wherein the strap is constructed to pass through the aperture in the cap when the cap is not disposed on the rotary member. 6. A top, including apparatus constructed to spin on a support surface, a belt disposed on the apparatus and extending from the apparatus and constructed to actuate other tops, while spinning, to inhibit the other tops from spinning, and a ring disposed within the apparatus and supported by the apparatus to enhance the inertia of the top and to facilitate the balancing of the top. 7. A top as set forth in claim 6, including, a strap, and a cap having an aperture for receiving the strap and constructed to be disposed on the apparatus with the strap extending through the aperture to provide a rotation of the top when the strap is removed from the aperture. 8. A top as set forth in claim 7 wherein the strap is movable in the aperture, when the cap is disposed on the apparatus, to rotate the apparatus. 9. A top as set forth in claim 7 wherein a belt is disposed on the apparatus and is provided with spaced lugs around its periphery to enhance the stability of the apparatus and to strike other tops and prevent the other tops from spinning. 10. A top asset forth in claim 8 wherein a belt is disposed on the apparatus and is provided with lugs around its periphery to enhance the stability of the apparatus and to strike other tops and prevent the other tops from spinning. 11. A top as set forth in claim 6 wherein the apparatus is shaped to provide a frusto-conical configuration having an increasing diameter and wherein the ring is disposed on the apparatus at the position of substantially the maximum diameter of the frusto-conical configuration. 12. A top as set forth in claim 10 wherein the apparatus is shaped to provide a frusto-conical configuration having an increasing diameter and wherein the ring is disposed on the apparatus at the position of substantially the maximum diameter of the frusto-conical configuration. 13. A top, including a hollow rotatable member having a variable diameter at different positions on the member and having a position of maximum diameter, a cap disposed on the rotatable member at the upper end of the rotatable member for movement with the rotatable member and provided with an aperture and with a pinion gear in the aperture, a strap supported by the cap for movement with the rotatable member and having teeth on one surface to define a rack gear meshing with the pinion gear to rotate the pinion gear when the strap is pulled through the aperture, and a ring supported within the hollow body at the position of maximum diameter to enhance the inertia of the top. 14. A top as set forth in claim 13 wherein the diameter of the hollow rotatable member progressively decreases and wherein the ring is supported within the hollow rotatable body at a position of a maximal diameter within the hollow rotatable member. 15. A top as set forth in claim 1 wherein the diameter of the hollow rotatable member progressively decreases and wherein the ring is supported with the hollow rotatable member at a position of a maximal diameter within the hollow rotatable member. 16. A top as set forth in claim 13 wherein the ring is disposed on the rotatable member at a position near the position of the maximum diameter of the rotatable member to add weight to the top and enhance the inertia of the top, thereby extending the time during which top spins. 17. A top as set forth in claim 16 wherein the rotatable member is made from a plastic material and the ring is made from a metallic material. 18. A top as set forth in claim 13 wherein the cap is provided with a first portion in which the aperture is provided and the pinion gear is disposed in the aperture and wherein the strap is disposed in the aperture in the first portion and wherein the cap is provided with a second portion extending upwardly from the first portion to facilitate the manual grasping of the cap and to facilitate the disposition of the top in a vertical position when the strap is pulled through the aperture in the first portion of the cap. 19. A top as set forth in claim 18 wherein the cap is cylindrical and wherein the second portion of the cap has a smaller diameter than the first portion of the cap. 20. A top as set forth in claim 17 wherein the cap is provided with a first portion in which the aperture is provided and in which the pinion gear is disposed in the aperture and wherein the strap is disposed in the aperture in the first portion of the cap and wherein the cap is provided with a second portion extending upwardly from the first portion to facilitate the manual grasping of the cap and to facilitate the disposition of the top in a vertical position when the strap is pulled through the aperture in the first portion of the cap and wherein the cap is cylindrical and the second portion of the cap has a smaller diameter than the first portion of the cap. 21. A top, including: a hollow member rotatable on a support surface, the member having a variable radius at different positions on the member, a cap disposed on the rotatable member in a tightly fitting relationship with the rotatable member, the cap having a first portion with an aperture and a pinion gear in the aperture and having a second portion extending upwardly from the first portion with a configuration to facilitate the manual grasping of the cap at the second portion, the pinion gear being coupled to the hollow rotatable member to produce a rotation of the hollow rotatable member in accordance with the rotation of the pinion gear, a strap having teeth at one end to define a rack gear, the strap being disposed in the aperture for a coupling of the rack gear and the pinion to produce a rotation of the pinion gear when the strap is pulled through the aperture, and a ring supported by the member at a position within the member of a maximal radius of the member to enhance the inertia of the top while the top is rotating. 22. A top, including: a hollow member rotatable on a support surface, a cap disposed on the rotatable member in a tightly fitting relationship with the rotatable member, the cap having a first portion with an aperture and a pinion gear in the aperture and having a second portion extending upwardly from the first portion with a configuration to facilitate the manual grasping of the cap at the second portion, the pinion gear being coupled to the hollow rotatable member to produce a rotation of the hollow rotatable member in accordance with the rotation of the pinion gear, and a strap having teeth at one end to define a rack gear, the strap being disposed in the aperture for a coupling of the rack gear and the pinion to produce a rotation of the pinion gear when the strap is pulled through the aperture, wherein the first and second portions of the cap have a substantially cylindrical configuration and wherein the second portion of the cap has a smaller diameter than the first portion of the cap and wherein elements are disposed on the second portion of the cap to facilitate the manual gripping of the second portion of the cap when the cap is to be spun. 23. A top, including: a hollow member rotatable on a support surface, a cap disposed on the rotatable member in a tightly fitting relationship with the rotatable member, the cap having a first portion with an aperture and a pinion gear in the aperture and having a second portion extending upwardly from the first portion with a configuration to facilitate the manual grasping of the cap at the second portion, the pinion gear being coupled to the hollow rotatable member to produce a rotation of the hollow rotatable member in accordance with the rotation of the pinion gear, and a strap having teeth at one end to define a rack gear, the strap being disposed in the aperture for a coupling of the rack gear and the pinion to produce a rotation of the pinion gear when the strap is pulled through the aperture elements are disposed on the second portion of the cap to facilitate the manual grasping of the second portion of the cap in a vertical direction when the strap is to be pulled out of the aperture in the cap to spin the top. 24. A top as set forth in claim 21 including a belt disposed on the hollow rotatable member and provided with externally disposed lugs to strike another spinning top and prevent the other top from spinning. 25. A top as set forth in claim 24, wherein the lugs are disposed in a symmetrical relationship on the belt to stabilize and balance the top. 26. A top as set forth in claim 24 wherein the lugs are disposed in a non-symmetrical relationship on the belt to destabilize and unbalance the top in a particular manner. 27. A top as set forth in claim 21 wherein the rotatable member is made from a clear plastic material and lights are disposed in the rotatable member to provide an illumination inside the rotary member. 28. A top, including: a hollow member rotatable on a support surface, a cap disposed on the rotatable member in a tightly fitting relationship with the rotatable member, the cap having a first portion with an aperture and a pinion gear in the aperture and having a second portion extending upwardly from the first portion with a configuration to facilitate the manual grasping of the cap at the second portion, the pinion gear being coupled to the hollow rotatable member to produce a rotation of the hollow rotatable member in accordance with the rotation of the pinion gear, and a strap having teeth at one end to define a rack gear, the strap being disposed in the aperture for a coupling of the rack gear and the pinion to produce a rotation of the pinion gear when the strap is pulled through the aperture the first and second portions of the cap have a substantially cylindrical configuration and wherein the second portion of the cap has a smaller diameter than the first portion of the cap and wherein elements are disposed on the second portion of the cap to facilitate the manual gripping of the second portion of the cap when the cap is to be spun elements are disposed on the second portion of the cap to facilitate the manual grasping of the second portion of the cap to facilitate the manual grasping of the second portion of the cap in a vertical direction when the strap is to be pulled out of the aperture in the cap to spin the top and wherein, a belt is disposed on the hollow rotatable member and provided with externally disposed lugs to strike another spinning top and prevent the other top from spinning and wherein the rotatable member is made from a clear plastic material and lights are disposed in the rotatable member to provide an illumination inside the rotary member. 29. A top as set forth in claim 28 wherein the lugs are disposed in a symmetrical relationship on the belt to stabilize and balance the top. 30. A top as set forth in claim 28 wherein the lugs are disposed in a non-symmetrical relationship on the belt to destabilize and unbalance the top. 31. A top, including a rotatable member including a socket at the top of the member, a cap having a pin constructed to fit tightly into the socket in the member, there being an aperture in the cap and a pinion gear in the aperture to rotate the rotatable member as the pinion gear rotates, and a strap positionable in the aperture in the cap and having teeth on one of its surfaces to define a rack gear for engaging the pinion gear and to rotate the pinion gear as the strap is pulled through the aperture in a direction to remove the strap fr om the aperture. 32. A top as set forth in claim 31, including the tight relationship between the gear and the socket providing for the top to be thrown outwardly and downwardly toward a support surface and to be spinning as it reaches the support surface. 33. A top as set forth in claim 31 wherein the cap is cylindrical and has a first portion which includes the aperture and the pinion in the aperture and has a second portion extending upwardly from the first portion to provide for a manual grasping of the second portion when the top is to be spun. 34. A top as set forth in claim 33 wherein elements are disposed in the second portion of the cap at vertically spaced positions to facilitate the manual grasping of the second portion of the cap when the top is to be spun. 35. A top as set forth in claim 31 wherein a belt is disposed on the rotatable member and is provided with externally disposed lugs to facilitate a contact with other tops for preventing the other tops from rotating. 36. A top as set forth in claim 35 wherein the tight relationship between the gear and the socket provide for the top to be thrown outwardly and downwardly toward a support surface and to be spinning as it reaches the support surface and wherein the cap is cylindrical and has a first portion which includes the aperture and the pinion in the aperture and has a second portion extending upwardly from the first portion to provide for a manual grasping of the second portion when the top is to be spun, and wherein elements are disposed in the second portion of the cap at vertically spaced positions to facilitate the manual grasping of the second portion of the cap when the top is to be spun. 37. A top as set forth in claim 31 wherein the rotatable member is hollow and has a frusto-conical configuration with a maximum diameter in the frusto-conical configuration and wherein a ring is disposed in the rotatable member at substantially the position of the maximum diameter to provide inertia to the top as the top spins and to provide an enhanced balance and stability in the top. 38. A top as set forth in claim 37 wherein the tight relationship between the gear and the socket provide for the top to be thrown outwardly and downwardly toward a support surface and to be spinning as it reaches the support surface and wherein the cap is cylindrical and has a first portion which includes the aperture and the pinion in the aperture and has a second portion extending upwardly from the first portion to provide for a manual grasping of the second portion when the top is to be spun and wherein elements are disposed in the second portion of the cap at vertically spaced positions to facilitate the manual grasping of the second portion of the cap when the top is to be spun. 39. A top as set forth in claim 38 wherein a belt is disposed on the rotatable member and is provided with externally disposed lugs to facilitate a contact with other tops for preventing the other tops from rotating. 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