BLUESEAL
A coupling device comprises a cylindrical, hollow casing or body to be permanently connected to a conduit for pressurized air; The casing is provided with a follower nut, which is threaded onto the casing and permits the insertion of two interior gaskets and an intermediate, metallic sleeve radially between the inside of the casing and the outside of the end of a pipe section fitted into the casing; Each gasket is of a standard cylindrical dimension and is formed of resilient material such as...
Abandoned · July 7, 2005 · 78665229 ·