CH27059A
(en )
1903-11-30
Device on rock drilling machines for rinsing out the drill cores using pressurized water during drilling
ES257405A1
(en )
1960-09-01
Impact drilling apparatus with continuous flushing
CH138263A
(en )
1930-02-28
Equipment on rock drilling machines for extracting the drilling dust by means of a hollow drill.
CH32143A
(en )
1905-06-30
Device for grinding stick drills of embroidery machines located on the drill rail
FR568005A
(en )
1924-03-13
Drill-holder clamp device for drilling machine
GB190621761A
(en )
1907-08-01
Improvements in Apparatus for Forming or Sharpening Rock Drills or Drill Bits
CH30711A
(en )
1905-03-15
Device on reversible embroidery machine drills, respectively. -stüpfeln, to determine the same on the drilling, respectively. Stamped lath
CH38317A
(en )
1907-09-30
Device on reversible embroidery machine drills or -stüpfeln to determine the same on the drilling or. Stamped lath
CH554A
(en )
1889-04-08
Drill sharpening device for drill bits on embroidery machine drilling devices
CH65074A
(en )
1914-05-16
Device for guiding the rock drill when drilling hole-to-hole
CH87222A
(en )
1921-04-16
Device for keeping the chips away from the work piece and the mechanical parts on drilling and milling machines.
CH49656A
(en )
1911-03-01
Equipment on machines for holding workpieces
FR433396A
(en )
1912-01-05
Device for driving the taper shank drill bit from the spindle of drilling machines
CH5277A
(en )
1892-11-30
Drilling machine for drilling several holes in flanges at the same time
AT337760B
(en )
1977-07-25
DEVICE FOR GUIDING A DRILLING STEEL OF A ROCK DRILLING MACHINE
FR485143A
(en )
1917-12-13
Debris ejector device for hammer drills
FR577707A
(en )
1924-09-10
Tool holder for cutting washers using the drilling machine
AT11463B
(en )
1903-04-10
Rock impact drilling machine.
CH31004A
(en )
1905-02-28
Drilling apparatus on shuttle embroidery machines
CH46874A
(en )
1910-05-02
Auxiliary tool for drilling machines to prevent holes being drilled too deep into the workpieces
CH34747A
(en )
1906-09-30
Device on shuttle embroidery machines to mechanically drive the drill
CH33951A
(en )
1906-02-15
Device for drilling square holes
AU419305B
(en )
1906-07-24
Improvements in devices for use with rock-drilling machines for supplying water to the holes while being drilled
FR363644A
(en )
1906-08-04
Drill holder for drilling machines
AT40034B
(en )
1909-12-10
Equipment for the operation of high-speed working machines.