AT187504B - Gesteinsbohrer mit Hartmetallplättchen - Google Patents

Gesteinsbohrer mit Hartmetallplättchen

Info

Publication number
AT187504B
AT187504B AT187504DA AT187504B AT 187504 B AT187504 B AT 187504B AT 187504D A AT187504D A AT 187504DA AT 187504 B AT187504 B AT 187504B
Authority
AT
Austria
Prior art keywords
rock drill
carbide tip
carbide
tip
drill
Prior art date
Application number
Other languages
English (en)
Original Assignee
Boehler & Co Ag Geb
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 Boehler & Co Ag Geb filed Critical Boehler & Co Ag Geb
Application granted granted Critical
Publication of AT187504B publication Critical patent/AT187504B/de

Links

AT187504D 1952-05-16 1952-05-16 Gesteinsbohrer mit Hartmetallplättchen AT187504B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT187504T 1952-05-16

Publications (1)

Publication Number Publication Date
AT187504B true AT187504B (de) 1956-10-25

Family

ID=3663900

Family Applications (1)

Application Number Title Priority Date Filing Date
AT187504D AT187504B (de) 1952-05-16 1952-05-16 Gesteinsbohrer mit Hartmetallplättchen

Country Status (1)

Country Link
AT (1) AT187504B (de)

Similar Documents

Publication Publication Date Title
CH307229A (de) Drehbohrmeissel.
CH326250A (de) Metallbohrer mit rohrförmigem Bohrschaft
CH313424A (de) Gesintertes Hartmetall
CH341047A (de) Bohrkopf
CH317685A (de) Zahnbohrer
CH333273A (de) Bohrkopf
FR1048089A (fr) Perceuse
CH314369A (de) Mine
CH300472A (de) Gesteinsbohrer.
FR1061444A (fr) Trépan de mine
AT178883B (de) Bohrgerüst
AT184140B (de) Schneidenanordnung an Gesteinsbohrern
FR1065074A (fr) Mèche de forage
FR1056445A (fr) Perfectionnements aux trépans de perforatrices à taillants rapportés
AT182376B (de) Gesteinsbohrhammer
CH319486A (de) Gesteinsbohrhammer
FR1060656A (fr) Semoir
AT183293B (de) Ausbohrwerkzeug
DD8219A1 (de) Formloch-bohrwerkzeug
ES34247Y (es) Perforador de rocas
AT179534B (de) Bohrwagen
AT183721B (de) Gesteinsschlagbohrer zur Herstellung von Sprenglöchern
FR1044034A (fr) Semoir
FR69358E (fr) Semoir
FR1081497A (fr) Semoir