GB189915090A - Improvements in or relating to Deep Boring Tools. - Google Patents

Improvements in or relating to Deep Boring Tools.

Info

Publication number
GB189915090A
GB189915090A GB189915090DA GB189915090A GB 189915090 A GB189915090 A GB 189915090A GB 189915090D A GB189915090D A GB 189915090DA GB 189915090 A GB189915090 A GB 189915090A
Authority
GB
United Kingdom
Prior art keywords
relating
boring tools
deep boring
deep
tools
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
William Henry Macgarvey
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 GB189915090A publication Critical patent/GB189915090A/en
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

15,090. MacGarvey, W. H. July 21. Deep-boring.-The bit has a stepped cutting- edge b on one side so as to cut a hole large enough for the lining-tube through which it can be withdrawn.
GB189915090D 1899-07-21 1899-07-21 Improvements in or relating to Deep Boring Tools. Expired GB189915090A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189915090T 1899-07-21

Publications (1)

Publication Number Publication Date
GB189915090A true GB189915090A (en) 1899-09-30

Family

ID=32418121

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189915090D Expired GB189915090A (en) 1899-07-21 1899-07-21 Improvements in or relating to Deep Boring Tools.

Country Status (1)

Country Link
GB (1) GB189915090A (en)

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