IP Library Granted Patent US 7,217,876
Granted Patent B2
US 7,217,876 · App. 10/713,699 · Granted May 15, 2007

Strings for musical instruments

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Quick Facts
Patent No.
US 7,217,876
App. No.
10/713,699
Granted
May 15, 2007
Kind
B2
Abstract

Novel musical instrument strings and methods for making the same. Polymer cover combined with a low temperature resin is provided to the strings. Also disclosed are novel plastic materials comprising a film of porous fluoropolymer having UV-cured resin applied to at least a portion of the porosity of the film.

Claims (82)

1. A musical instrument string comprising:

a string; and

a polymer cover combined with a low temperature resin covering at least a portion of the string, the low temperature resin comprising at least one material selected from the group consisting of thermoplastic resins that have a Melt Flow Rate of greater than about 1 gram/10 minutes under a test condition temperature of less than about 300° C. at a constant weight of about 5 Kg (as determined by ASTM D1238) and thermoset resins.

2. The musical instrument string of claim 1 , wherein the polymer cover comprises at least some porosity, wherein at least a portion of the porosity is filled with the low temperature resin.

3. The musical instrument string of claim 1 wherein the string includes a core material selected from the group consisting of metal, gut, and synthetic material.

4. The musical instrument string of claim 3 , wherein the core material comprises synthetic material.

5. The musical instrument string of claim 4 , wherein the synthetic material is selected from the group consisting of nylon and polyetheretherketone.

6. The musical instrument string of claim 5 , wherein the synthetic material comprises polyetheretherketone.

7. The musical instrument string of claim 1 , wherein the string is a wound string.

8. The musical instrument string of claim 4 , wherein the string is a wound string.

9. The musical instrument string of claim 1 , wherein the resin is UV-cured.

10. The musical instrument string of claim 2 , wherein the resin is U V-cured.

11. The musical instrument string of claim 8 , wherein resin is UV-cured.

12. The musical instrument string of claim 1 , wherein the polymer cover comprises fluoropolymer.

13. The musical instrument string of claim 2 , wherein the polymer cover comprises fluoropolymer.

14. The musical instrument string of claim 2 , wherein the low-temperature resin substantially fills the porosity of the polymer cover.

15. The musical instrument string of claim 13 , wherein the low temperature resin substantially fills the porosity of the fluoropolymer cover.

16. The musical instrument string of claim 12 , wherein the fluoropolymer comprises at least a material selected from the group consisting of polytetrafluoroethylene, fluorinated ethylene propylene, and perfluoro alkoxy resin.

17. The musical instrument string of claim 13 , wherein the fluoropolymer is expanded polytetrafluoroethylene.

18. The musical instrument string of claim 17 , wherein the low temperature resin substantially fills the porosity of the cover.

19. The musical instrument string of claim 10 , wherein the UV-cured resin fills substantially all of the porosity of the polymer cover.

20. The musical instrument string of claim 2 , wherein the low-temperature resin is also provided to at least one surface of the polymer cover.

21. The musical instrument string of claim 20 , wherein the low-temperature resin is provided to the at least one surface of the cover as a discontinuous layer.

22. The musical instrument string of claim 20 , wherein the low-temperature resin is provided to the at least one surface of the cover as a continuous layer.

23. The musical instrument string of claim 19 , wherein the UV-cured resin is also provided to at least one surface of the polymer cover.

24. The musical instrument string of claim 23 , wherein the UV-cured resin is provided to the at least one surface of the polymer cover as a discontinuous layer.

25. The musical instrument string of claim 23 , wherein the UV-cured resin is provided to the at least one surface of the polymer cover as a continuous layer.

26. The musical instrument string of claim 15 , wherein the resin is UV-cured.

27. The musical instrument string of claim 1 , wherein the low temperature resin further comprises at least one filler material.

28. The musical instrument string of claim 2 , wherein the low temperature resin further comprises at least one filler material.

29. The musical instrument string of claim 27 , wherein the at least one filler material comprises at least a material selected from the group consisting of ceramics, metals, metal coated fillers, metallized fillers, carbon, and polymers.

30. The musical instrument string of claim 28 , wherein the at least one filler material comprises at least a material selected from the group consisting of ceramics, metals, metal coated fillers, metallized fillers, carbon, and polymers.

31. The musical instrument string of claim 9 , wherein the UV-cured resin comprises at least a material selected from the group consisting of urethane acrylates and cationic epoxies.

32. The musical instrument string of claim 10 , wherein the UV-cured resin comprises at least a material selected from the group consisting of urethane acrylates and cationic epoxies.

33. A classical guitar string comprising:

a string; and

a polymer cover combined with a low temperature resin covering at least a portion of the string, the low temperature resin comprises at least one material selected from the group consisting of thermoplastic resins that have a Melt Flow Rate of greater than about 1 gram/10 minutes under a test condition temperature of less than about 300° C. at a constant weight of about 5 Kg (as determined by ASTM D1238) and thermoset resins.

34. The classical guitar string of claim 33 , wherein the polymer cover comprises at least some porosity, wherein at least a portion of the porosity is filled with the low temperature resin.

35. The classical guitar string of claim 33 , wherein the string comprises a wound string.

36. The classical guitar string of claim 33 , wherein the low temperature resin is UV-cured.

37. The classical guitar string of claim 34 , wherein the low temperature resin is UV-cured.

38. The classical guitar string of claim 33 , wherein the polymer cover comprises fluoropolymer.

39. The classical guitar string of claim 34 , wherein the polymer cover comprises expanded polytetrafluoroethylene.

40. The classical guitar string of claim 39 , wherein the low temperature resin substantially fills the porosity of the expanded polytetrafluoroethylene.

41. The classical guitar string of claim 38 , wherein the fluoropolymer comprises at least a material selected from the group consisting of polytetrafluoroethylene, fluorinated ethylene propylene, and perfluoro alkoxy resin.

42. classical guitar string of claim 33 , wherein the low temperature resin comprises thermoset resin.

43. The classical guitar string of claim 34 , wherein the low temperature resin comprises thermoset resin.

44. The classical guitar string of claim 34 , wherein the low temperature resin fills substantially all of the porosity of the polymer cover.

45. The classical guitar string of claim 34 , wherein the low temperature resin is also provided to at least one surface of the cover.

46. The classical guitar string of claim 45 , wherein the low temperature resin is provided to the at least one surface of the cover as a discontinuous layer.

47. The classical guitar string of claim 45 , wherein the low temperature resin is provided to the at least one surface of the cover as a continuous layer.

48. The classical guitar string of claim 39 , wherein the low temperature resin fills substantially all of the porosity of the polymer cover.

49. The classical guitar string of claim 48 , wherein the low temperature resin is also provided to at least one surface of the polymer cover.

50. The classical guitar string of claim 49 , wherein the low temperature resin is provided to the at least one surface of the polymer cover as a discontinuous layer.

51. The classical guitar string of claim 49 , wherein the low temperature resin is provided to the at least one surface of the polymer cover as a continuous layer.

52. The classical guitar string of claim 33 , wherein the resin further comprises at least one filler material.

53. The classical guitar string of claim 34 , wherein the resin further comprises at least one filler material.

54. The classical guitar string of claim 52 , wherein the at least one filler material comprises at least a material selected from the group consisting of ceramics, metals, metal coated fillers, metallized fillers, carbon, and polymers.

55. The classical guitar string of claim 53 , wherein the at least one filler material comprises at least a material selected from the group consisting of ceramics, metals, metal coated fillers, metallized fillers, carbon, and polymers.

56. The classical guitar string of claim 36 , wherein the UV-cured resin comprises at least a material selected from the group consisting of urethane acrylates and cationic epoxies.

57. The classical guitar string of claim 37 , wherein the UV-cured resin comprises at least a material selected from the group consisting of urethane acrylates and cationic epoxies.

58. A musical instrument string comprising:

a wound string; and

a polymer cover surrounding at least a portion of the wound string, the cover being attached to the wound string through use of a low temperature UV-cured adhesive, the low temperature UV-cured adhesive comprising at least one material selected from the group consisting of thermoplastic resins that have a Melt Flow Rate of greater than about 1 gram/10 minutes under a test condition temperature of less than about 300 C at a constant weight of about 5 Kg (as determined by ASTM D1238) and thermoset resins.

59. The musical instrument string of claim 58 , wherein the polymer cover comprises at least some porosity and at least a portion of the porosity is filled with the low temperature UV-cured adhesive.

60. The musical instrument string of claim 58 , wherein the string includes a core material selected from the group consisting of metal, gut, and synthetic material.

61. The musical instrument string of claim 60 , wherein the core material comprises synthetic material.

62. The musical instrument string of claim 61 , wherein the synthetic material is selected from the group consisting of nylon and polyetheretherketone.

63. The musical instrument string of claim 58 , wherein the polymer cover comprises fluoropolymer.

64. The musical instrument string of claim 59 , wherein the polymer cover comprises fluoropolymer.

65. The musical instrument string of claim 59 , wherein the low temperature UV-cured adhesive substantially fills the porosity of the polymer cover.

66. The musical instrument string of claim 64 , wherein the low temperature UV-cured adhesive substantially fills the porosity of the fluoropolymer cover.

67. The musical instrument string of claim 63 , wherein the fluoropolymer comprises at least a material selected from the group consisting of polytetrafluoroethylene, fluorinated ethylene propylene, and perfluoro alkoxy resin.

68. The musical instrument string of claim 67 , wherein the fluoropolymer comprises expanded polytetrafluoroethylene.

69. The musical instrument string of claim 64 , wherein the fluoropolymer comprises at least a material selected from the group consisting of polytetrafluoroethylene, fluorinated ethylene propylene, and perfluoro alkoxy resin.

70. The musical instrument string of claim 69 , wherein the fluoropolymer comprises expanded polytetrafluoroethylene.

71. The musical instrument string of claim 58 , wherein the low temperature UV-cured adhesive further comprises at least one filler material.

72. The musical instrument string of claim 59 , wherein the low temperature UV-cured adhesive further comprises at least one filler material.

73. The musical instrument string of claim 71 , wherein the at least one filler material comprises at least a material selected from the group consisting of ceramics, metals, metal coated fillers, metallized fillers, carbon, and polymers.

74. The musical instrument string of claim 72 , wherein the at least one filler material comprises at least a material selected from the group consisting of ceramics, metals, metal coated fillers, metallized fillers, carbon, and polymers.

75. The musical instrument string of claim 58 , wherein the low temperature UV-cured adhesive comprises at least a material selected from the group consisting of urethane acrylates and cationic epoxies.

76. The musical instrument string of claim 59 , wherein the low temperature UV-cured adhesive comprises at least a material selected from the group consisting of urethane acrylates and cationic epoxies.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 14, 2012
From: GORE ENTERPRISE HOLDINGS, INC.
To: W. L. GORE & ASSOCIATES, INC.
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