GB1191934A - Improvements relating to Drills and Plugs to be used therewith - Google Patents

Improvements relating to Drills and Plugs to be used therewith

Info

Publication number
GB1191934A
GB1191934A GB4120067A GB4120067A GB1191934A GB 1191934 A GB1191934 A GB 1191934A GB 4120067 A GB4120067 A GB 4120067A GB 4120067 A GB4120067 A GB 4120067A GB 1191934 A GB1191934 A GB 1191934A
Authority
GB
United Kingdom
Prior art keywords
plugs
drills
improvements relating
used therewith
marks
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
GB4120067A
Inventor
Oswald Willy Thorsman
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 GB4120067A priority Critical patent/GB1191934A/en
Publication of GB1191934A publication Critical patent/GB1191934A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/52—Depth indicators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dowels (AREA)

Abstract

1,191,934. Drills. O. W. THORSMAN. 8 Sept., 1967, No. 41200/67. Heading B3C. [Also in Division F2] A cemented carbide tipped drill for drilling blind holes for inserting screw-holding plugs, is marked at positions 1-3, Fig. 1, which marks correspond to the lengths of the plugs to be used. The marks may be depressions in the flutes, or circumferential grooves on the lands, and they are filled with different coloured paint, to match the colours of the plugs.
GB4120067A 1967-09-08 1967-09-08 Improvements relating to Drills and Plugs to be used therewith Expired GB1191934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4120067A GB1191934A (en) 1967-09-08 1967-09-08 Improvements relating to Drills and Plugs to be used therewith

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4120067A GB1191934A (en) 1967-09-08 1967-09-08 Improvements relating to Drills and Plugs to be used therewith

Publications (1)

Publication Number Publication Date
GB1191934A true GB1191934A (en) 1970-05-13

Family

ID=10418580

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4120067A Expired GB1191934A (en) 1967-09-08 1967-09-08 Improvements relating to Drills and Plugs to be used therewith

Country Status (1)

Country Link
GB (1) GB1191934A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220154A (en) * 1988-07-04 1990-01-04 David Phillip Dackowens Masonry drills and plugs
GB2262560B (en) * 1991-12-19 1995-08-16 Keith Knight Wall ties
GB2331261A (en) * 1997-11-18 1999-05-19 Gary Spencer Clark Drill bit with depth markings
GB2392134A (en) * 2002-04-26 2004-02-25 Milwaukee Electric Tool Corp Tool element with indicator means

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220154A (en) * 1988-07-04 1990-01-04 David Phillip Dackowens Masonry drills and plugs
GB2220154B (en) * 1988-07-04 1992-05-27 David Phillip Dackowens Apparatus for providing holes in masonry
GB2262560B (en) * 1991-12-19 1995-08-16 Keith Knight Wall ties
GB2331261A (en) * 1997-11-18 1999-05-19 Gary Spencer Clark Drill bit with depth markings
GB2392134A (en) * 2002-04-26 2004-02-25 Milwaukee Electric Tool Corp Tool element with indicator means
GB2392134B (en) * 2002-04-26 2006-09-13 Milwaukee Electric Tool Corp Reciprocating saw blade and marking system

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee