E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 15/00 (2006.01)
Patent
CA 2558988
Gusset plates are incorporated for reinforcement at the junctions of the wide flanged, cross and longitudinal beams of a rig mat frame. The junctions thus have a square tubing configuration.
Relland Peter
Parlee Mclaws Llp
Relland Peter
LandOfFree
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