FI74417C - Anordning för borrning av hål i ett rör under tryck - Google Patents

Anordning för borrning av hål i ett rör under tryck Download PDF

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Publication number
FI74417C
FI74417C FI763279A FI763279A FI74417C FI 74417 C FI74417 C FI 74417C FI 763279 A FI763279 A FI 763279A FI 763279 A FI763279 A FI 763279A FI 74417 C FI74417 C FI 74417C
Authority
FI
Finland
Prior art keywords
seal
holder
drill
container
drilling
Prior art date
Application number
FI763279A
Other languages
English (en)
Finnish (fi)
Other versions
FI763279A (fi
FI74417B (fi
Inventor
Keith Roderick Herron
Original Assignee
Kemp & Co Pty Ltd
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 Kemp & Co Pty Ltd filed Critical Kemp & Co Pty Ltd
Priority to FI763279A priority Critical patent/FI74417C/sv
Publication of FI763279A publication Critical patent/FI763279A/fi
Application granted granted Critical
Publication of FI74417B publication Critical patent/FI74417B/fi
Publication of FI74417C publication Critical patent/FI74417C/sv

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Landscapes

  • Earth Drilling (AREA)
FI763279A 1976-11-16 1976-11-16 Anordning för borrning av hål i ett rör under tryck FI74417C (sv)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FI763279A FI74417C (sv) 1976-11-16 1976-11-16 Anordning för borrning av hål i ett rör under tryck

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI763279 1976-11-16
FI763279A FI74417C (sv) 1976-11-16 1976-11-16 Anordning för borrning av hål i ett rör under tryck

Publications (3)

Publication Number Publication Date
FI763279A FI763279A (fi) 1978-05-17
FI74417B FI74417B (fi) 1987-10-30
FI74417C true FI74417C (sv) 1988-02-08

Family

ID=8510418

Family Applications (1)

Application Number Title Priority Date Filing Date
FI763279A FI74417C (sv) 1976-11-16 1976-11-16 Anordning för borrning av hål i ett rör under tryck

Country Status (1)

Country Link
FI (1) FI74417C (sv)

Also Published As

Publication number Publication date
FI763279A (fi) 1978-05-17
FI74417B (fi) 1987-10-30

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: JAMES KEMP & CO. PTY. LTD.