GB144006A - An improved tool for forming taper holes - Google Patents

An improved tool for forming taper holes

Info

Publication number
GB144006A
GB144006A GB7332/19A GB733219A GB144006A GB 144006 A GB144006 A GB 144006A GB 7332/19 A GB7332/19 A GB 7332/19A GB 733219 A GB733219 A GB 733219A GB 144006 A GB144006 A GB 144006A
Authority
GB
United Kingdom
Prior art keywords
taper holes
improved tool
forming taper
reamer
forming
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
Application number
GB7332/19A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB7332/19A priority Critical patent/GB144006A/en
Publication of GB144006A publication Critical patent/GB144006A/en
Priority claimed from US399484A external-priority patent/US1355065A/en
Priority to GB21021/22A priority patent/GB196529A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/0018—Drills for enlarging a hole
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/08—Drills combined with tool parts or tools for performing additional working
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/072—Grooves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2260/00—Details of constructional elements
    • B23B2260/132—Serrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)

Abstract

144,006. Simpson, A. E. March 24, 1919. Drills; reamers.-A combined twist or flat drill and reamer for taper holes has the leading edges only of the reamer portion provided with stepped cutting-points a disposed on a helix and having clearance b to reduce the frictional contact.
GB7332/19A 1919-03-24 1919-03-24 An improved tool for forming taper holes Expired GB144006A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB7332/19A GB144006A (en) 1919-03-24 1919-03-24 An improved tool for forming taper holes
GB21021/22A GB196529A (en) 1919-03-24 1922-08-01 Improvements in tools for forming taper holes

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB7332/19A GB144006A (en) 1919-03-24 1919-03-24 An improved tool for forming taper holes
US399484A US1355065A (en) 1920-07-28 1920-07-28 Tool for forming taper-holes
GB21021/22A GB196529A (en) 1919-03-24 1922-08-01 Improvements in tools for forming taper holes

Publications (1)

Publication Number Publication Date
GB144006A true GB144006A (en) 1920-06-10

Family

ID=62527924

Family Applications (2)

Application Number Title Priority Date Filing Date
GB7332/19A Expired GB144006A (en) 1919-03-24 1919-03-24 An improved tool for forming taper holes
GB21021/22A Expired GB196529A (en) 1919-03-24 1922-08-01 Improvements in tools for forming taper holes

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB21021/22A Expired GB196529A (en) 1919-03-24 1922-08-01 Improvements in tools for forming taper holes

Country Status (1)

Country Link
GB (2) GB144006A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4189266A (en) * 1975-08-01 1980-02-19 George Koslow Rotary drill bit for hand-held power drills

Also Published As

Publication number Publication date
GB196529A (en) 1923-04-26

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