E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/10 (2006.01) E21B 17/00 (2006.01)
Patent
CA 2653343
Centralizers including at least a portion formed of a first material and at least one end band secured to the first material and formed of a second material. The end band being installed to resist detachment from the portion formed of the first material.
L'invention concerne des centreurs comprenant au moins une partie formée d'un premier matériau et au moins une bande d'extrémité fixée au premier matériau et formée d'un second matériau, la bande d'extrémité étant installée pour résister à un détachement de la partie formée du premier matériau.
Angman Per G.
Finlayson & Singlehurst
Tesco Corporation
LandOfFree
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