in which an inner retaining member is placed within an outer sealing member, the outer sealing member being a cylindrical elastic member against which the inner retaining member is expanded inside of a pipe joint, thereby to seal the joint.
In U.S. Pat. No. 4,124,985 and Reissue Pat. No. 30,929, by the inventor of the instant patent, a method of lining the interior of a conduit is disclosed in which hinged collapsible sections are expanded against the conduit by means of one or more air bags. After the collapsible liner section has been erected and put into position, grout or other filler material is then inserted between the liner section and the conduit wall.
A device for sealing the joint of large diameter pipes, such as gas mains and waterBuzz: Stork Saviors, Jacksonville Beach Sign, a CEO's Raise and More

Posted
Wednesday, February 6, 2013 12:00 am

Ron Word

Stork SaviorsAn exposed power line and a retention pond proved too much for young endangered wood storks learning to fly, but the Jacksonville Zoo & Gardens and JEA came up with some novel ideas to prevent them from electrocution, according to a JEA news release. At first, the JEA thought the best solution was to bury the power line, but quickly realized it would take too long. Instead, it installed flight diverters. A JEA senior environmental scientist said the diverters are like a little dartboard with a reflector in the center. They're designed to make the power line visible to young wood storks. The zoo planted a heritage long-leaf pine forest in