Abstract: Methods and systems for cleaning and providing barrier coatings to interior walls of piping systems. An entire piping system can be cleaned in one single pass by dry particulates forced by air and the piping system coated in one single pass. Pipes can be protected from water corrosion, erosion and electrolysis. Pipes having diameters of approximately ?? up to approximately 6? are treatable. Piping systems such as potable water lines, natural gas lines, HVAC, drains, and fire sprinkler systems in homes, apartments, high-rise hotel/resorts, office towers, high-rise apartment and condominiums and schools, can be treated. The coating forms an approximately 4 mils or greater covering inside the pipes. Buildings can return to service within approximately 24 to approximately 96 hours.

Abstract: An injection packer, injection packer installation/removal tool, and method of use thereof are especially suited for use in the repair of concrete structures and the like. The injection packer includes a body that is removable from a nonmetallic expansion member that may remain within a repair bore after the injection material is injected into the repair bore. The packer body includes a shank, nozzle, and keyed head with an injection bore therethrough. The nozzle is threaded to engage a nonmetallic nut attached to the expansion member. In use, as the packer body is rotated in a first direction the expansion member is compressed between the nut and the packer body shank, thereby radially bulging the expansion member. At this point fluid may be injected through the injection packer and into the bore and crack(s). As the packer body is rotated in a second direction the expansion member is uncompressed. The packer body is easily detachable from the expansion member.

Abstract: A fluid transfer assembly comprises two parallel fluid transfer paths and a shared, linear path actuator for providing positive sequencing of input and output valves of both paths. Corresponding valves of the two paths share a lever assembly which is rotated between first and second positions by reciprocal movement of the liner path actuator.

Abstract: A monitoring device for indicating relative motion between first and second structural members. The motion monitoring device includes a first component with a base and a markable indicator member. The markable indicator is disposed on the top surface of the base, and the bottom surface of the base is fixedly mounted to the first structural member. The second component includes a base, a support arm and a marking indicator member. The second component base, which is fixedly mounted to the second structural member, is connected to one end of the support arm. The other end of the support arm is connected to the marking indicator member. The first component and the second component are operationally alignable upon mounting to the respective first and second structural members such that the markable indicator member and the marking indicator member achieve contact therebetween.

Abstract: A dispenser for flowable materials, such as resins, which includes dual opposed pistons. As each piston fills with material, the piston rods extend into contact with an actuator member. A cam member is activated when the rods are fully extended to force the material out of the cylinders where it is mixed and then discharged from the dispenser.

Abstract: A nozzle utilized to grout or fill cold joints and cracks formed in or occuring at structural corners. The nozzle includes a tip which is defined by converging planar surfaces about an axial opening. The nozzle tip defining surfaces include a relatively large area which is separated from the nozzle axial opening for wall contact to permit the nozzle to be secured by an adhesive or bonding agent to the corner walls before injection of the grouting material or sealant.

Abstract: A nozzle for injecting adhesive materials into cracks in concrete, mortared joints in brick or stone walls, in timber, or in similar materials, the nozzle having a body with a center channel for conducting the resin from a suitable pump into the cracked surface. The nozzle may be surface mounted or mounted in a drilled hole, and has a proximal end adapted for connection to a conventional coupling and a distal end surrounded by spaced lugs which facilitate insertion of the distal end into a hole and aid in retaining the nozzle therein. The spacing between the lugs and a plurality of grooves in the distal end communicating with the center channel minimize back pressure when surface mounted and resist back pressure when mounted in a hole, and provide an even diffusion of the resin into the void. A collar is normally provided near the distal end for partially or completely sealing the installation and for retaining an adhesive gel or putty cone which further seals the installation.