US2373850A - Drill rod - Google Patents

Drill rod Download PDF

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Publication number
US2373850A
US2373850A US490194A US49019443A US2373850A US 2373850 A US2373850 A US 2373850A US 490194 A US490194 A US 490194A US 49019443 A US49019443 A US 49019443A US 2373850 A US2373850 A US 2373850A
Authority
US
United States
Prior art keywords
drill rod
rod
drill
drli
zrce
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US490194A
Inventor
William B Peirce
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flannery Bolt Co
Original Assignee
Flannery Bolt Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Flannery Bolt Co filed Critical Flannery Bolt Co
Priority to US490194A priority Critical patent/US2373850A/en
Application granted granted Critical
Publication of US2373850A publication Critical patent/US2373850A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/02—Percussive tool bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Physical Vapour Deposition (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)

Description

A ril l7, 1945. w. B. PEIRCE DRLI ROD Fied J ne 9 1945 Zrce
US490194A 1943-06-09 1943-06-09 Drill rod Expired - Lifetime US2373850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US490194A US2373850A (en) 1943-06-09 1943-06-09 Drill rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US490194A US2373850A (en) 1943-06-09 1943-06-09 Drill rod

Publications (1)

Publication Number Publication Date
US2373850A true US2373850A (en) 1945-04-17

Family

ID=23946993

Family Applications (1)

Application Number Title Priority Date Filing Date
US490194A Expired - Lifetime US2373850A (en) 1943-06-09 1943-06-09 Drill rod

Country Status (1)

Country Link
US (1) US2373850A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764967A (en) * 1952-10-04 1956-10-02 Ii John A Cupler Aperture forming method and apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764967A (en) * 1952-10-04 1956-10-02 Ii John A Cupler Aperture forming method and apparatus

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