AT183619B - Boring head for drilling out long pipes - Google Patents

Boring head for drilling out long pipes

Info

Publication number
AT183619B
AT183619B AT183619DA AT183619B AT 183619 B AT183619 B AT 183619B AT 183619D A AT183619D A AT 183619DA AT 183619 B AT183619 B AT 183619B
Authority
AT
Austria
Prior art keywords
out long
boring head
drilling out
long pipes
pipes
Prior art date
Application number
Other languages
German (de)
Original Assignee
Dalmine Spa
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 Dalmine Spa filed Critical Dalmine Spa
Application granted granted Critical
Publication of AT183619B publication Critical patent/AT183619B/en

Links

AT183619D 1941-02-04 1953-12-09 Boring head for drilling out long pipes AT183619B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT183619X 1941-02-04

Publications (1)

Publication Number Publication Date
AT183619B true AT183619B (en) 1955-10-25

Family

ID=11152728

Family Applications (1)

Application Number Title Priority Date Filing Date
AT183619D AT183619B (en) 1941-02-04 1953-12-09 Boring head for drilling out long pipes

Country Status (1)

Country Link
AT (1) AT183619B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523919A1 (en) * 1985-07-04 1987-01-15 Heller Werkzeug Gmbh Geb Drilling-open tool with a drilling-open head for drilling open a bore

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3523919A1 (en) * 1985-07-04 1987-01-15 Heller Werkzeug Gmbh Geb Drilling-open tool with a drilling-open head for drilling open a bore

Similar Documents

Publication Publication Date Title
AT183619B (en) Boring head for drilling out long pipes
FR873752A (en) Further training in drilling drills
CH257168A (en) Drill.
CH225211A (en) Lathe for internal form turning of hollow bodies.
FR973672A (en) Drill bit improvements
FR875468A (en) Improvements made to seed drills
CH277754A (en) Method of grinding the edges of rock drill bits.
FR880317A (en) Percussion tool
FR973290A (en) Advanced machine tool
CH226495A (en) Lathe for thread cutting.
CH228028A (en) Headstock for drilling machines.
CH232679A (en) Fine boring headstock.
ES155046A3 (en) PERFECTED DRILLING MACHINE
DK61551C (en) Tool for Deep Drilling.
CH220151A (en) Drilling machine.
FR881940A (en) Drill chuck
FR55532E (en) Improvements to rock drilling tools
DK62281C (en) Step drill for Rotary drilling.
CH224008A (en) Boring or milling machine.
CH225206A (en) Vertical drilling machine.
FR887502A (en) Sweeping head for rock drills and rock drilling machines
DK61371C (en) Well drilling machine.
FR877581A (en) Self-tightening chuck
FR886872A (en) Machine tool
ES154622A3 (en) RADIAL DRILLING MACHINE