IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0593233
(2007-03-29)
|
등록번호 |
US-8357026
(2013-01-22)
|
국제출원번호 |
PCT/US2007/065522
(2007-03-29)
|
§371/§102 date |
20090925
(20090925)
|
국제공개번호 |
WO2008/121141
(2008-10-09)
|
발명자
/ 주소 |
- Manuel, Stephen
- Young, Robert
|
출원인 / 주소 |
- Michelin Recherche et Technique S.A.
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
24 |
초록
▼
A method and apparatus for buffing tread from a tire carcass, the method comprising the steps of: receiving a signal from a sensor, the signal generated as a function of a distance between the sensor and a belt in the tire and a tire characteristic; selecting a signal response curve from a plurality
A method and apparatus for buffing tread from a tire carcass, the method comprising the steps of: receiving a signal from a sensor, the signal generated as a function of a distance between the sensor and a belt in the tire and a tire characteristic; selecting a signal response curve from a plurality of signal response curves, the selected signal response curve representing the function of the distance between the sensor and the tire belt and the tire characteristic; determining from the response curve the distance between the sensor and the belt for the signal response received; buffing tread from the tire until the distance between the sensor and the belt reaches a final distance.
대표청구항
▼
1. A method of buffing tread from a tire carcass, the method comprising the steps of: receiving a signal response from a sensor, the signal response generated as a function of a distance between the sensor and a belt in the tire and a tire characteristic;selecting a signal response curve from a plur
1. A method of buffing tread from a tire carcass, the method comprising the steps of: receiving a signal response from a sensor, the signal response generated as a function of a distance between the sensor and a belt in the tire and a tire characteristic;selecting a signal response curve from a plurality of signal response curves, the selected signal response curve representing the function of the distance between the sensor and the tire belt and the tire characteristic;determining from the response curve the distance between the sensor and the belt for the signal response received;buffing tread from the tire until the distance between the sensor and the belt reaches a final distance. 2. The buffing method of claim 1, further comprising: receiving a tire characteristic input identifying the tire characteristic;using the tire characteristic input to select the signal response curve from the plurality of signal response curves. 3. The buffing method of claim 1, further comprising: receiving an instruction to select a signal response curve from the plurality of signal response curves. 4. The buffing method of claim 1, wherein the tire characteristic is selected from a tire manufacturer, a tire construction, a tire brand, a tire size, a tire shape, a tread profile or combinations thereof. 5. The buffing method of claim 1, wherein the signal response curve is in the form of a table, the table containing a plurality of signal responses with corresponding distances. 6. The buffing method of claim 5, the step of determining the distance between the sensor and the belt for a signal response received comprises determining the distance from a linear relationship between two response signals selected from the plurality of response signals in the table that are closest in value to the signal response received. 7. The buffing method of claim 1, wherein the sensor is located an offset distance outward the tread outer surface, the final distance being approximately equivalent to a final amount of material remaining above the tire belt and the offset distance. 8. The buffing method of claim 7, further comprising: comparing a second sensor response with the sensor signal response;calibrating the sensor signal response with the second sensor response 9. The buffing method of claim 7, further comprising: receiving a first calibration signal response from the sensor at a present offset distance from the tire tread outer surface, the first calibration signal response generated as a function of a distance between the sensor and the tire belt;receiving a second calibration signal response from a second sensor at a zero distance above the tread, the second calibration signal response generated as a function of a distance between the second sensor and the tire belt;determining from the selected response curve a first calibration distance between the sensor and the belt for the first calibration signal response;determining from the selected response curve a second calibration distance between the second sensor and the belt for the second calibration signal response;determining the present offset distance by subtracting the second calibration distance from the first calibration distance. 10. The buffing method of claim 9, in the steps of receiving a first and second calibration signal response, the first and second calibration signal responses being generated at or in close proximity to the same location along a tread of the tire. 11. A computer program including instructions embodied on a computer readable medium, the instructions comprising: receiving instructions for receiving a signal response from a sensor, the signal response generated as a function of a distance between the sensor and a belt in the tire and a tire characteristic;selecting instructions for selecting a signal response curve from a plurality of signal response curves, the selected signal response curve representing the function of the distance between the sensor and the tire belt and the tire characteristic;determining instructions for determining from the response curve the distance between the sensor and the belt for the signal response received;buffing instructions for buffing tread from the tire until the distance between the sensor and the belt reaches a final distance. 12. The buffing method of claim 11, wherein the tire characteristic is selected from a tire manufacturer, a tire construction, a tire brand, a tire size, a tire shape, a tread profile. 13. The buffing method of claim 11, wherein the signal response curve is in the form of a table, the table containing a plurality of signal responses with corresponding distances. 14. The buffing method of claim 11 further comprising: receiving instructions for receiving a tire characteristic input identifying the tire characteristic; andusing instructions for using the tire characteristic input to select the signal response curve from the plurality of signal response curves. 15. A tire buffing machine for buffing at least a portion of the tread from a tire carcass, the machine comprising: a sensor that provides a sensor output signal that is a function of a distance between the sensor and a belt of a tire;a controller comprising a processor and a memory storage device that stores instructions readable by the processor, the instructions comprising:receiving instructions for receiving a signal response from a sensor, the signal response generated as a function of a distance between the sensor and a belt in the tire and a tire characteristic;selecting instructions for selecting a signal response curve from a plurality of signal response curves, the selected signal response curve representing the function of the distance between the sensor and the tire belt and the tire characteristic;determining instructions for determining from the response curve the distance between the sensor and the belt for the signal response received;buffing instructions for buffing tread from the tire until the distance between the sensor and the belt reaches a final distance. 16. The tire buffing machine of claim 15, the sensor being a magnetic proximity sensor. 17. A method of generating a signal response curve as a function of the distance between a sensor and a tire belt and a tire characteristic, the method comprising the steps of: receiving a signal response from the sensor at different distances from the belt, each signal generated as a function of a distance between the sensor and the belt and a tire characteristic;generating a signal response curve using the signal responses received, the curve representing the function of the distances between the sensor and the belt and the tire characteristic. 18. The signal generating method of claim 17, further comprising: removing a portion of tire tread to substantially expose the belt. 19. The signal generating method of claim 17, wherein the step of receiving further comprises: placing at least one spacer between the sensor and the tire at each of the different distances. 20. The signal generating method of claim 17, the step of receiving a signal at different distances further comprises: receiving a signal from a first distance located in close proximity to the belt, and a second distance approximately equivalent to an offset distance between the sensor and the tire and an initial gauge of material above the belt. 21. The signal generating method of claim 17, wherein the step of generating a signal response curve comprises: generating a table using the signal responses received, the table containing a plurality of signal responses with corresponding distances, the distances representing the distance between the sensor and the belt.
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