FR556267A - Earth digging drill bit - Google Patents

Earth digging drill bit

Info

Publication number
FR556267A
FR556267A FR556267DA FR556267A FR 556267 A FR556267 A FR 556267A FR 556267D A FR556267D A FR 556267DA FR 556267 A FR556267 A FR 556267A
Authority
FR
France
Prior art keywords
drill bit
digging drill
earth digging
earth
bit
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
Other languages
French (fr)
Inventor
Xavier Rozet
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 filed Critical
Application granted granted Critical
Publication of FR556267A publication Critical patent/FR556267A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B11/00—Other drilling tools
    • E21B11/005—Hand operated drilling tools
FR556267D 1922-09-19 1922-09-19 Earth digging drill bit Expired FR556267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR556267T 1922-09-19

Publications (1)

Publication Number Publication Date
FR556267A true FR556267A (en) 1923-07-16

Family

ID=8940028

Family Applications (1)

Application Number Title Priority Date Filing Date
FR556267D Expired FR556267A (en) 1922-09-19 1922-09-19 Earth digging drill bit

Country Status (1)

Country Link
FR (1) FR556267A (en)

Similar Documents

Publication Publication Date Title
FR556267A (en) Earth digging drill bit
FR666516A (en) Improvements to devices for digging land or drilling tunnels
FR855206A (en) Percussion drill bit for drilling rocks or other bodies
FR30157E (en) Electro-magnetic drill bit
FR556085A (en) Drill bit improvements
FR557371A (en) All-seed drill
FR542570A (en) Seed drill shoe
FR742244A (en) Removable bit drill
FR641141A (en) Rotary drill bit for well drilling
FR676069A (en) Rock drilling bit
FR556088A (en) Improvements with drill bits or drills
DK27213C (en) Earth drill.
FR644622A (en) Plow seed drill
FR549221A (en) Seed drill
FR555465A (en) Improvements in rotary earth diggers
FR567773A (en) Advanced center drill
FR586763A (en) Improvements to spoons or bits used in digging or drilling wells
FR683956A (en) Rock drill bit
FR715145A (en) Drill, more particularly intended for rock drilling machines
FR525222A (en) Drill bits for drilling rock
FR535734A (en) Earth layer mining machine
CA217967A (en) Well drilling rig
DK28372C (en) Drilling Procedure.
ES94838A1 (en) Procedure for digging boreholes or drill holes with only one derrick.
FR547439A (en) Multi-bit drill