Couplings having stiffening ribs and keys with oppositely disposed camming surfaces
Mechanical pipe couplings for joining pipe elements in end to end relation have arcuate keys which engage circumferential grooves in the pipe elements and radially projecting stiffening ribs aligned with the keys. At the end of the keys on opposite sides are camming surfaces which are formed by a th...
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Main Authors | , |
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Format | Patent |
Language | English |
Published |
02.08.2011
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Subjects | |
Online Access | Get full text |
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