E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
E21D 21/00 (2006.01) B21J 5/12 (2006.01) B21K 1/44 (2006.01) B21K 1/54 (2006.01)
Patent
CA 2333177
A rock bolt (1) and a method of forming a rock bolt. The bolt includes a paddle section (11) formed by deforming a portion (12, 13) of the bolt through application of an eccentric shear force.
Boulon d'ancrage (1) et son procédé de fabrication. Ce boulon comprend une partie ailette (11) produite par déformation d'une partie (12, 13) du boulon au moyen de l'application d'une force de cisaillement excentrique.
Industrial Rollformers Pty Limited
Minova Australia Pty Limited
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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