GB190923268A - Improvement in Expansible Tools or Bits for Boring Taper Holes. - Google Patents

Improvement in Expansible Tools or Bits for Boring Taper Holes.

Info

Publication number
GB190923268A
GB190923268A GB190923268DA GB190923268A GB 190923268 A GB190923268 A GB 190923268A GB 190923268D A GB190923268D A GB 190923268DA GB 190923268 A GB190923268 A GB 190923268A
Authority
GB
United Kingdom
Prior art keywords
stem
tube
cutter
threads
pitch
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
Other languages
English (en)
Inventor
Thomas Edward Pope
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
Application granted granted Critical
Publication of GB190923268A publication Critical patent/GB190923268A/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
    • B23B51/0018—Drills for enlarging a hole

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB190923268D 1908-10-19 1909-10-12 Improvement in Expansible Tools or Bits for Boring Taper Holes. Expired GB190923268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US407947XA 1908-10-19 1908-10-19

Publications (1)

Publication Number Publication Date
GB190923268A true GB190923268A (en) 1910-05-12

Family

ID=32596436

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190923268D Expired GB190923268A (en) 1908-10-19 1909-10-12 Improvement in Expansible Tools or Bits for Boring Taper Holes.

Country Status (3)

Country Link
DE (1) DE229750C (https=)
FR (1) FR407947A (https=)
GB (1) GB190923268A (https=)

Also Published As

Publication number Publication date
FR407947A (fr) 1910-03-14
DE229750C (https=)

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