GB190513399A - An Improved Hole Making Tool. - Google Patents

An Improved Hole Making Tool.

Info

Publication number
GB190513399A
GB190513399A GB190513399DA GB190513399A GB 190513399 A GB190513399 A GB 190513399A GB 190513399D A GB190513399D A GB 190513399DA GB 190513399 A GB190513399 A GB 190513399A
Authority
GB
United Kingdom
Prior art keywords
cutting
metal
hole making
making tool
head
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
Inventor
John Thomas Williams
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 GB190513399A publication Critical patent/GB190513399A/en
Expired legal-status Critical Current

Links

Abstract

13,399. Williams, J. T. June 29. Drills.-A tool for drilling stone, rock, brick, and like materials by blows on the head, and by rotation for drilling metal and other hard substances, comprises a metal body a having a reduced part a<1>, and provided at the end with two transverse slots c of different depths to receive the tapered cutting-head b, which consists of three or more sharp cutting-edges radiating from a centre and having clearing spaces between them, the width across the blade being greater than the part a'. The edges are ground with single bevels for cutting metal and with double bevels for cutting stone &c.
GB190513399D 1905-06-29 1905-06-29 An Improved Hole Making Tool. Expired GB190513399A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190513399T 1905-06-29

Publications (1)

Publication Number Publication Date
GB190513399A true GB190513399A (en) 1906-05-31

Family

ID=32197472

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190513399D Expired GB190513399A (en) 1905-06-29 1905-06-29 An Improved Hole Making Tool.

Country Status (1)

Country Link
GB (1) GB190513399A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251220A1 (en) * 1986-06-26 1988-01-07 Hawera Probst GmbH + Co. Drilling tool
US6161633A (en) * 1998-02-03 2000-12-19 Cutting Edge Technology Apparatus for boring through a solid material
US6736226B2 (en) 1998-02-03 2004-05-18 Cutting Edge Technologies, Llc Method and apparatus for boring through a solid material

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0251220A1 (en) * 1986-06-26 1988-01-07 Hawera Probst GmbH + Co. Drilling tool
US6161633A (en) * 1998-02-03 2000-12-19 Cutting Edge Technology Apparatus for boring through a solid material
US6732820B1 (en) 1998-02-03 2004-05-11 Woodings Industrial Corporation Method and apparatus for boring through a solid material
US6736226B2 (en) 1998-02-03 2004-05-18 Cutting Edge Technologies, Llc Method and apparatus for boring through a solid material
US6892831B2 (en) 1998-02-03 2005-05-17 Woodings Industrial Corporation Method and apparatus for boring through a solid material

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