Down-the-hole hammer, percussion bit assembly and method of...

Details Down-the-hole hammer, percussion bit assembly and method of... Down-the-hole hammer, percussion bit assembly and method of...

E - Fixed Constructions

21

B

E21B 10/40 (2006.01) E21B 10/26 (2006.01)

Patent

CA 2645897

A down-the-hoIe hammer includes a piston (27) movably disposed in a casing (29) and a percussion bit (31) at an end of the casing (29). The percussion bit (31) comprises a bit (35) integral with a shank (37) and a pilot (39) removably fastened to a forward end of the bit (31). The invention also provides a percussion bit assembly including an integral bit (35) and shank (37) and a removable pilot (39) at a forward end of the bit (31); it also provides a method of enlarging a preexisting hole.

L'invention concerne un marteau-piqueur comprenant un piston (27) disposé de manière mobile dans un boîtier (29) et une mèche de percussion (31) située à une extrémité du boîtier (29). La mèche de percussion (31) comprend une mèche (35) intégrale avec une queue (37) et un pilote (39) fixé de manière amovible à une extrémité avant de la mèche (31). L'invention concerne également un ensemble mèche de percussion comportant une mèche (35) intégrale, une queue (37) et un pilote (39) amovible situés à une extrémité avant de la mèche (31). Elle concerne également un procédé d'agrandissement d'un trou préexistant.

Affiliated with

Also associated with

Rating

Down-the-hole hammer, percussion bit assembly and method of... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Down-the-hole hammer, percussion bit assembly and method of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Down-the-hole hammer, percussion bit assembly and method of... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1360481