Blast joint and protection element therefor

Details Blast joint and protection element therefor Blast joint and protection element therefor

E - Fixed Constructions

21

B

166/42

E21B 23/06 (2006.01) E21B 17/10 (2006.01) E21B 43/12 (2006.01)

Patent

CA 1174590

BLAST JOINT AND PROTECTION ELEMENT THEREFOR Abstract of the Disclosure A protection structure for a tubular member, such as a blast joint, and a protection element therefor which is an abrasion resistant half sleeve with an inward facing tongue and groove along one axial edge, an outward facing tongue and groove along the other axial edge, a groove in one arcuate end and a projection on the other arcuate end, two of said elements forming a protection ring and a plurality of said rings being supported on a tubular member by upper and lower supports which provide tongue and groove engagement with the upper end of the upper ring and with the lower end of the lower ring.

396827

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