Method of making a surface treating article

• US 6,609,951 B1
• Filed: 06/30/2000
• Issued: 08/26/2003
• Est. Priority Date: 06/30/2000
• Status: Expired due to Term

• Current Assignee: 3M Innovative Properties Company (3M Company)
• Original Assignee: 3M Innovative Properties Company (3M Company)
• Inventors: McKay, Bradley S., Fritz, Peter J., Malaske, James W., Devaney, Douglas E., Elgin, Darla A., Livermore, Bruce W., Richtman, Paul J., Fry, Richard L., Bates, Michael S., Conwell, Stanley L.
• Primary Examiner(s): Morgan, Eileen P.
• Assistant Examiner(s): Shakeri, Hadi
• Application Number:
  US09/607,210
• Time in Patent Office: 1,152 Days
• Field of Search: 451/539, 451/6, 451/5, 451/54, 451/548, 451/521, 451/8, 451/907, 451/9, 451/10, 451/11, 493/22, 493/24, 264/153, 264/160
• US Class Current: 451/6
• CPC Class Codes: B23B 31/11 Retention by threaded connection
• CPC Class Codes: B24B 45/00 Means for securing grinding wheels on rotary arbors suppression of vibrations in systems F16F15/00; testing static or dynamic balancing of machines G01M1/00
• CPC Class Codes: B24D 11/008 Finishing manufactured abrasive sheets, e.g. cutting, deforming
• CPC Class Codes: B24D 13/20 Mountings for the wheels
• CPC Class Codes: B24D 18/0036 by winding up abrasive bands
• CPC Class Codes: B24D 7/16 Bushings; Mountings
• CPC Class Codes: Y10T 156/1343 Cutting indefinite length web after assembly with discrete article
• CPC Class Codes: Y10T 29/53013 Computer input
• CPC Class Codes: Y10T 29/53417 Means to fasten work parts together

Abstract

A surface treating article including a surface treating member and a fastener including a fiducial. The present invention also provides a preferred method of making a surface treating article that includes to a method of sensing the location of a fasteners on a surface treating web and thereafter cutting the surface treating web around the fastener to provide a surface treating article.

Claims

1. A method of making a surface treating article, comprising the steps of:

a) providing a surface treating web with a fastener attached thereto;

b) sensing a position of the fastener on the surface treating web; and

c) partially cutting the surface treating web around the fastener to provide a partially-cut surface treating article with the fastener thereon, and subsequently separating the surface treating article from the surface treating web.

2. The method of claim 1, further comprising the step of attaching the fastener to the surface treating web prior to step a).

3. The method of claim 2, wherein the step of attaching the fastener to the surface treating web comprises spin welding.

4. The method of claim 3, wherein the fastener comprises a thermoplastic material.

5. The method of claim 3, wherein the step of attaching the fastener to the surface treating web comprises placing a thermoplastic layer of adhesive between the fastener and the surface treating web prior to spin welding.

6. The method of claim 1, the surface treating web comprises a coated abrasive web.

7. The method of claim 1, further comprising the step of determining the position of a center of the fastener on the surface treating web prior to step c).

8. The method of claim 1, wherein step b) further comprises the step of determining the position of a center of the fastener prior to step c) and step c) comprises laser cutting the surface treating web around the center of the fastener to provide a surface treating article with the fastener centered thereon.

9. The method of claim 8, wherein step c) further comprises laser cutting the surface treating web around the fastener in a disc shape.

10. The method of claim 1, wherein step b) further comprises sensing with machine vision the position of the fastener on the surface treating web prior to step c).

11. The method of claim 10, wherein the fastener comprises a fiducial to be sensed by the machine vision.

12. The method of claim 1, further comprising:

d) advancing the web forward to bring a second fastener attached to the surface treating web to within a desired region; and

e) repeating step c) with regard to said second fastener to provide a second surface treating article.

13. The method of claim 12, wherein the method is a continuous method in which a plurality of fasteners are sequentially brought into said desired region, and steps c) and d) are then repeated with respect to each of the plurality of said fasteners.

14. A method of making a surface treating article, comprising the steps of:

a) providing a surface treating web with a fastener attached thereto;

b) sensing the position of the fastener on the surface treating web; and

c) thereafter using the sensed position to direct a partial laser cutting of the surface treating web around the fastener to provide a partially-cut surface treating article with the fastener thereon, and subsequently separating the surface treating article from the surface treating web.

15. The method of claim 14, further comprising the step of attaching the fastener to the surface treating web prior to step a).

16. The method of claim 15, wherein the step of attaching the fastener to the surface treating web comprises spin welding.

17. The method of claim 16, wherein the step of attaching the fastener to the surface conditioning web comprises placing a thermoplastic layer of adhesive between the fastener and the surface conditioning web prior to spin welding.

18. The method of claim 14, wherein the surface treating web comprises a coated abrasive web.

21. The method of claim 14, wherein step b) further comprises determining the position of a center the fastener and step c) comprises cutting the surface treating web around the center of the fastener to provide a surface treating article including one fastener centered thereon.

47. The method of claim 16, wherein the fastener comprises a thermoplastic material.

48. The method of claim 14, further comprising the step of determining the position of a center of the fastener on the surface treating web prior to step c).

49. The method of claim 21, wherein step c) further comprises laser cutting the surface treating web around the fastener in a disc shape.

50. The method of claim 14, wherein step b) further comprises sensing with machine vision the position of the fastener on the surface treating web prior to step c).

51. The method of claim 50, wherein the fastener comprises a fiducial to be sensed by the machine vision.

52. The method of claim 14, further comprising:

d) advancing the web forward to bring a second fastener attached to the surface treating web to within a desired region; and

e) repeating step c) with regard to said second fastener to provide a second surface treating article.

53. The method of claim 52, wherein the method is a continuous method in which a plurality of fasteners are sequentially brought into said desired region, and steps c) and d) are then repeated with respect to each of the plurality of said fasteners.

55. The method of claim 21, wherein step c) further comprises laser cutting the surface treating web around the fastener in a disc shape.

19. A method of making a plurality of surface treating articles, comprising the steps of:

a) providing a surface treating web with a plurality of fasteners fastened thereto, wherein each of the plurality of fasteners is located in a predetermined position forming an array of fasteners, and wherein the plurality of fasteners includes a first fastener and a second fastener;

b) sensing the position of the first fastener and determining the position of the second fastener relative to the position of the first fastener; and

c) cutting the surface treating web around each of the plurality of fasteners to provide a plurality of surface treating articles, each including one of the plurality of fasteners.

20. The method of claim 19, wherein step b) further comprises sensing the position of the first fastener with machine vision.

22. The method of claim 20, wherein at least one of the plurality of fasteners includes a fiducial to be sensed by the machine vision.

23. The method of claim 19, wherein step c) further comprises laser cutting the surface treating web around the plurality of fasteners to provide a plurality of surface treating articles each including one of the plurality of fasteners thereon.

30. The method of claim 19, wherein step b) further comprises determining the position of a center of at least one of the plurality of fasteners and step c) comprises cutting the surface treating web around each center of each of the plurality of fasteners to provide a plurality of surface treating articles each including one of the plurality of fasteners centered thereon.

31. The method of claim 19, wherein step c) further comprises laser cutting the surface treating web around each of the plurality of fasteners in a disc shape.

32. The method of claim 19, wherein step c) further comprises partially cutting the surface treating web around the plurality of fasteners to provide a plurality of partially-cut surface treating articles each including one of the fastener thereon and subsequently removing the plurality of surface treating articles from the surface treating web.

33. The method of claim 19, further comprising the step of attaching the plurality of fasteners to the surface treating web in a predetermined array prior to step a).

34. The method of claim 33, wherein the step of attaching the plurality of fasteners to the surface treating web in a predetermined array comprises spin welding.

35. The method of claim 34, wherein the step of attaching the fasteners to the surface treating web comprises placing a thermoplastic layer of adhesive between each fastener and the surface treating web prior to spin welding.

36. The method of claim 19, wherein the surface treating web comprises a coated abrasive web.

42. The method of claim 19, wherein step c) further comprises partially cutting the surface treating web around the plurality of fasteners to provide a plurality of partially-cut surface treating articles each including one of the fastener thereon and subsequently removing the plurality of surface treating articles from the surface treating web.

43. The method of claim 19, further comprising the step of attaching the plurality of fasteners to the surface treating web in a predetermined array prior to step a).

44. The method of claim 43, wherein the step of attaching the plurality of fasteners to the surface treating web in a predetermined array comprises spin welding.

45. The method of claim 44, wherein the step of attaching the fasteners to the surface treating web comprises placing a thermoplastic layer of adhesive between each fastener and the surface treating web prior to spin welding.

46. The method of claim 19, wherein the surface treating web comprises a coated abrasive web.

54. The method of claim 34, wherein each fastener comprises a thermoplastic material.

56. The method of claim 19, further comprising:

d) advancing the web forward to bring array to within a desired region; and

e) repeating step c) with regard to said second array to provide a second plurality of surface treating articles.

57. The method of claim 56, wherein the method is a continuous method in which a plurality of arrays are sequentially brought into said desired region, and steps c) and d) are then repeated with respect to each of the plurality of arrays.

66. The method of claim 46, wherein each fastener comprises a thermoplastic material.

24. A method of making a plurality of surface treating articles, comprising the steps of:

a) providing a surface treating web with a plurality of fasteners fastened thereto;

b) sensing the position of at least one of the plurality of fasteners on the surface treating web; and

c) partially cutting the surface treating web around each of the plurality of fasteners to provide a plurality of partially-cut surface treating articles, each including one of the fasteners thereon and subsequently removing the plurality of surface treating articles from the surface treating web.

25. The method of claim 24, further comprising the step of attaching the plurality of fasteners to the surface treating web in a predetermined array prior to step a).

26. The method of claim 25, wherein the step of attaching the plurality of fasteners to the surface treating web in a predetermined array comprises spin welding.

27. The method of claim 26, wherein the step of attaching the fasteners to the surface treating web comprises placing a thermoplastic layer of adhesive between each fastener and the surface treating Web prior to spin welding.

28. The method of claim 24, wherein the surface treating web comprises a coated abrasive web.

58. The method of claim 26, wherein each fastener comprises a thermoplastic material.

59. The method of claim 24, further comprising the step of determining the position of a center of at least one of the plurality of fasteners on the surface treating web prior to step c).

60. The method of claim 24, wherein step b) further comprises the step of determining the position of a center of at least one of the plurality of fasteners prior to step c) and step c) comprises laser cutting the surface treating web around the center of the fastener to provide a surface treating article with the fastener centered thereon.

61. The method of claim 60, wherein step c) further comprises laser cutting the surface treating web around the fastener in a disc shape.

62. The method of claim 24, wherein step b) further comprises sensing with machine vision the position of at least one of the plurality of fasteners on the surface treating web prior to step c).

63. The method of claim 62, wherein the fastener comprises a fiducial to be sensed by the machine vision.

64. The method of claim 25, further comprising:

d) advancing the web forward to bring a second array to within a desired region; and

e) repeating step c) with regard to said second array to provide a second plurality of surface treating articles.

65. The method of claim 64, wherein the method is a continuous method in which a plurality of arrays are sequentially brought into said desired region, and steps c) and d) are then repeated with respect to each of the plurality of arrays.

29. A method of making a plurality of surface treating articles, comprising the steps of:

a) providing a surface treating web with a plurality of fasteners fastened thereto, wherein the plurality of fasteners includes a first fastener, a second fastener, and a third fastener;

b) sensing a position of the first fastener and a position of the second fastener, wherein a position of the third fastener is determined relative to the positions of the first fastener and the second fastener; and

c) cutting the surface treating web around each of the plurality of fasteners to provide a plurality of surface treating articles, each including one of the plurality of fasteners.

37. The method of claim 29, wherein each of the plurality of fasteners is located in a predetermined position forming an array of fasteners.

38. The method of claim 29, wherein step b) further comprises sensing the position of the first fastener with machine vision.

39. The method of claim 29, wherein step b) further comprises determining the position of a center of at least one of the plurality of fasteners and step c) comprises cutting the surface treating web around each center of each of the plurality of fasteners to provide a plurality of surface treating articles each including one of the plurality of fasteners centered thereon.

40. The method of claim 38, wherein at least one of the plurality of fasteners includes a fiducial to be sensed by the machine vision.

41. The method of claim 29, wherein step c) further comprises laser cutting the surface treating web around the plurality of fasteners to provide a plurality of surface treating articles each including one of the plurality of fasteners thereon.

67. The method of claim 39, wherein step c) further comprises laser cutting the surface treating web around each fastener in a disc shape.

68. The method of claim 29, further comprising:

d) advancing the web forward to bring a second plurality of fasteners attached to the surface treating web to within a desired region; and

e) repeating step c) with regard to said second plurality of fasteners to provide a second plurality of surface treating articles.

69. The method of claim 68, wherein the method is a continuous method in which a plurality of fasteners are sequentially brought into said desired region, and steps c) and d) are then repeated with respect to each of the plurality of said fasteners.