Classifications

• • E—FIXED CONSTRUCTIONS
  • E21—EARTH DRILLING; MINING
  • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
  • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
  • E21B17/02—Couplings; joints
  • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
  • E21B17/042—Threaded
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23B—TURNING; BORING
  • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
  • B23B31/005—Cylindrical shanks of tools
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B28—WORKING CEMENT, CLAY, OR STONE
  • B28D—WORKING STONE OR STONE-LIKE MATERIALS
  • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
  • B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
  • B28D1/146—Tools therefor
• • E—FIXED CONSTRUCTIONS
  • E21—EARTH DRILLING; MINING
  • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
  • E21B10/00—Drill bits
  • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
  • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23B—TURNING; BORING
  • B23B2231/00—Details of chucks, toolholder shanks or tool shanks
  • B23B2231/02—Features of shanks of tools not relating to the operation performed by the tool
  • B23B2231/028—Lugs
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • B23B—TURNING; BORING
  • B23B2260/00—Details of constructional elements
  • B23B2260/138—Screw threads

Applications Claiming Priority (1)

Publications (1)

Family

ID=5876893

Family Applications (1)

Country Status (18)

Families Citing this family (8)

• 1973
  • 1973-04-04 DE DE19732316683 patent/DE2316683B1/de not_active Ceased
• 1974
  • 1974-03-01 AR AR252592A patent/AR203553A1/es active
  • 1974-03-13 CH CH352674A patent/CH573541A5/xx not_active IP Right Cessation
  • 1974-03-15 ZA ZA00741722A patent/ZA741722B/xx unknown
  • 1974-03-26 BR BR2360/74A patent/BR7402360D0/pt unknown
  • 1974-03-27 BE BE142529A patent/BE812923A/xx unknown
  • 1974-03-27 AU AU67181/74A patent/AU6718174A/en not_active Expired
  • 1974-03-29 NL NL7404313A patent/NL7404313A/xx unknown
  • 1974-03-29 DD DD177569A patent/DD110910A5/xx unknown
  • 1974-04-01 PL PL1974170012A patent/PL89953B1/pl unknown
  • 1974-04-01 GB GB1437874A patent/GB1469296A/en not_active Expired
  • 1974-04-01 JP JP49035700A patent/JPS5058680A/ja active Pending
  • 1974-04-02 AT AT273974A patent/AT332283B/de not_active IP Right Cessation
  • 1974-04-02 IT IT49976/74A patent/IT1005910B/it active
  • 1974-04-02 HU HUHE653A patent/HU168227B/hu unknown
  • 1974-04-03 FR FR7411753A patent/FR2224638B1/fr not_active Expired
  • 1974-04-03 RO RO7478287A patent/RO65545A/ro unknown
  • 1974-04-04 ES ES1974202066U patent/ES202066Y/es not_active Expired

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