AT55420B - Feed device for rock hammer drilling machines. - Google Patents

Feed device for rock hammer drilling machines.

Info

Publication number
AT55420B
AT55420B AT55420DA AT55420B AT 55420 B AT55420 B AT 55420B AT 55420D A AT55420D A AT 55420DA AT 55420 B AT55420 B AT 55420B
Authority
AT
Austria
Prior art keywords
feed device
drilling machines
hammer drilling
rock hammer
rock
Prior art date
Application number
Other languages
German (de)
Original Assignee
Flottmann & Comp H
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 Flottmann & Comp H filed Critical Flottmann & Comp H
Application granted granted Critical
Publication of AT55420B publication Critical patent/AT55420B/en

Links

Landscapes

  • Earth Drilling (AREA)

Description

  

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Claims (1)

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AT55420D 1911-07-22 1911-07-22 Feed device for rock hammer drilling machines. AT55420B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT55420T 1911-07-22

Publications (1)

Publication Number Publication Date
AT55420B true AT55420B (en) 1912-09-25

Family

ID=30119672

Family Applications (1)

Application Number Title Priority Date Filing Date
AT55420D AT55420B (en) 1911-07-22 1911-07-22 Feed device for rock hammer drilling machines.

Country Status (1)

Country Link
AT (1) AT55420B (en)

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