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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Drill bit

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B23B-051/02    B23P-015/32   
출원번호 US-0462935 (2014-08-19)
등록번호 US-9333564 (2016-05-10)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Markow, Scott B.
인용정보 피인용 횟수 : 2  인용 특허 : 79
초록

An elongated drill bit has a shank at one end and working end at the other. A flute portion is between the working end and the shank. The flute portion is continuous with the shank and working end and is generally unitarily formed with them. The flute portion has at least one flute with a helix angle between approximately 30° and 35°. The working end has a pilot tip with a cutting portion. A tapered web is formed in the flute portion, a thickness of the web at the tip of the working end is about 9% to 15% of the nominal diameter.

대표
청구항
▼

1. An elongated drill bit with a longitudinal axis comprising: a shank at a first end having a nominal diameter that is between 13/64 inch and ¼ inch, between 17/64 inch and 21/64 inch, or between 11/32 inch and ½ inch;a working end at a second end;a flute portion between the shank and the working end, with the shank, the working end and the flute portion continuous with one another, the flute portion including at least one flute at a helix angle of approximately 30° to 35°,the working end comprises a pilot tip with a first cutting portion and a second c...

이 특허에 인용된 특허 (79)

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  12. Gertner,Paul. Depth limiting device and hole forming apparatus containing the same. USP2007087258513.
  13. Kouvelis Thomas. Drill bit. USP200001D419575.
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  27. Choe, Heeman; Stevens, John H.; Westhoff, James C.; Eason, Jimmy W.; Overstreet, James L.. Earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials, and methods for forming such bits. USP2011037913779.
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  31. Mesquita, Rafael Agnelli; Barbosa, Celso Antonio. Hard alloys with dry composition. USP2012058168009.
  32. Lampe, Rainer. Head portion of rock drill. USP201207D664167.
  33. Jodock Marvin S. (San Jose CA) Maternus Fred (Chicago IL). High speed drill reamer. USP1986084605347.
  34. Rudolph, Scott; Harris, Robert D.. Hole saw and connection method. USP2004036705807.
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  36. Turner Geoff,GBX ; Birk Rudi,DEX. Masonry drill bit. USP2000086102634.
  37. Ladi, Ram L.; Weaver, Gary; Brown, David A.. Matrix drill bits and method of manufacture. USP2010087784381.
  38. Ladi,Ram L.; Weaver,Gary; Brown,David A.. Matrix drill bits and method of manufacture. USP2008077398840.
  39. Thomas, Rickey J.; Probst, Florian; Quinn, Thomas J.; Joshi, Abhijeet P.; Wetzl, Alfons K.; Leidl, Albert; Johnson, David N.. Metal cutting drill bit. USP2014068740515.
  40. Pitts Ronoulde D. (Orange CA) Hooey Thomas L. (Miramar FL). Metal injection molded rotary metal cutting tool. USP1992105152642.
  41. Gulbrandsen, Richard C.. Method and means of manufacturing a rotary cutting tool. USP1983054383784.
  42. Gasser, Matthias. Method of manufacturing a ceramic surgical instrument. USP2009087578726.
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  44. Choe, Heeman; Stevens, John H.; Westhoff, James C.; Eason, Jimmy W.; Overstreet, James L.. Methods of forming earth-boring rotary drill bits including bit bodies having boron carbide particles in aluminum or aluminum-based alloy matrix materials. USP2012078230762.
  45. Bruce,Howard J.. Offset chisel. USP200608D525840.
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  47. Decker, Douglas G.. Power tool tap holder. USP200906D594306.
  48. Risen, Jr., Carl W.. Precision drill bits. USP2003116652203.
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  50. Mulroy Michael,GBX ; Jungwirth Rudolf,DEX ; Riedl Johann,DEX. Roll-forged drill bit. USP2000096113321.
  51. Turri, Achille. Security device comprising a stop member for drilling instrument used in particular in dental surgery and device pre-calibrating and storing drilling depth. USP2004056739872.
  52. Chaconas Peter C. (Glyndon MD) Stone Paul A. (Silver Run MD). Self-centering drill bit with pilot tip. USP1990114968193.
  53. Chaconas Peter C. (Glyndon MD) Stone Paul A. (Silver Run MD). Self-centering drill bit with pilot tip. USP1994025288183.
  54. Wetzl,Alfons; Rompel,Markus. Self-centering drill bit with pilot tip. USP2007097267514.
  55. Thomas Rickey J.. Self-centering drill bit with pilot tip, and process. USP2000046050754.
  56. Thomas Rickey J.. Self-centering drill bit with pilot tip, and process. USP2001026190097.
  57. John Robert Jaconi. Self-centering twist drill having a modified flat bottom section and a helical crown point tip. USP2002096443674.
  58. Haughton Keith Louis,CAX ; Haughton Glenn Wallace,CAX. Spade drill bit. USP2001056227774.
  59. Barish, Herman B.. Split-point twist drill. USP1985124556347.
  60. Hageman David C. (Chagrin Falls OH). Spotweld removal tool. USP1991105056967.
  61. Kohno Yuichiro (Itami JPX) Hara Akio (Itami JPX). Stick of composite materials and process for preparation thereof. USP1989114880707.
  62. Vasudeva, Kailash C.; Hasan, Maz A.; Singh, Satnam. Tool device with reversible drill bit/screw bit. USP2003016511268.
  63. Karlsson Ronny,SEX ; Bruhn Johnny,SEX. Tool for cutting machining. USP1999095947660.
  64. Martins Jose (New Bedford MA). Tool support and drilling tool. USP1982074340327.
  65. Caliskanoglu, Devrim; Mitterer, Christian. Tool with a coating. USP2010127851067.
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  67. Hsu George (Martinez GA). Twist drill. USP1991045011342.
  68. Hsu George (Martinez GA). Twist drill. USP1995085442979.
  69. Imanaga Koujiro (Anpachi JPX) Nakamura Shinichi (Anpachi JPX) Hosono Hideji (Anpachi JPX) Yanase Yoshiyuki (Anpachi JPX). Twist drill. USP1993075230593.
  70. Imanaga Koujiro (Gifu JPX) Nakamura Shinichi (Gifu JPX) Hosono Hideji (Gifu JPX) Yanase Yoshiyuki (Gifu JPX). Twist drill. USP1991014983079.
  71. Imanaga Koujiro (Gifu JPX) Nakamura Shinichi (Gifu JPX) Hosono Hideji (Gifu JPX) Yanase Yoshiyuki (Gifu JPX). Twist drill. USP1992025088863.
  72. Takaya Sueji (Gifu JPX) Takasaki Kazuo (Gifu JPX) Tone Kazuaki (Gifu JPX). Twist drill. USP1994095350261.
  73. Tikal Franz (Kirchseeon DEX) Krenzer Ulrich (Frth DEX). Twist drill. USP1989054826368.
  74. Wakihira Koichiro (Kobe JPX) Katsuta Michitaka (Hyogo JPX) Hino Masayasu (Hyogo JPX) Matsumoto Kouhei (Hyogo JPX) Nakahara Yoshio (Hyogo JPX) Sasayama Tosio (Hyogo JPX). Twist drill. USP1988074756650.
  75. Borschert Bernhard,DEX ; Seidel Jurgen,DEX. Twist drill for dry drilling. USP2001106309149.
  76. Rompel, Markus. Twist drill with a pilot tip. USP2009047520703.
  77. Thompson Michael F. (London GBX). Wear resistant tools. USP1996125580196.
  78. Finn Arnold H. (Farmington CT). Wedge. USP198306D269495.
  79. Liao, Chung-Liang; Liao, Chung-Hung; Liao, Jen-Sheng. Woodworking drill bit. USP201308D687871.

이 특허를 인용한 특허 피인용횟수: 2

  1. Kauper, Herbert Rudolf. Drill head. USP2017109802258.
  2. Wang, Yuerong; Wu, Hong. Twisted drill bit tip. USP201902D840449.

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