B - Operations – Transporting – 23 – C
Patent
B - Operations, Transporting
23
C
B23C 5/08 (2006.01) B23D 47/08 (2006.01) B28D 1/04 (2006.01) B28D 1/18 (2006.01) E21C 25/52 (2006.01) E21D 9/10 (2006.01)
Patent
CA 2245148
A combination of conventional or superimposed percussive slot-cutting tools for creating slots and grooves, with eccentric, superimposed percussive, counterbalanced planar milling tools for excavating floors, walls, rocks, minerals and the like.
Combinaison d'outils à percussion classiques ou superposés pour découper des fentes et des rainures avec des outils de travail à plat à percussion, excentriques et équilibrés, pour exécuter des excavations dans des planchers, des murs, des roches, autres minéraux et matériaux du genre.
Bechem Klaus
Bechem Philip
Bechem Ulrich
Bechem Hannelore
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
LandOfFree
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