Abstract: A rectangular vandal-proof plumbing valve access box for housing at least one plumbing valve therein and for containing same within the wall of a building, including an access cover facing the user-occupied side of the wall with security bolts anchoring the cover to the access box and having a lip extending over the wall about the access box, the box further having a pair of re-inforced rims thereabout with valve locating notches located about one of the rims of the access box.

Abstract: An improved liquid-filled dashpot mechanism for use with a spring-biased, axially-displaceable valve stem, comprising: a housing having a passageway therein, a stem in the passageway adapted for reciprocation therein, a pair of annular rolling diaphragms disposed in spaced-apart, face-to-face relationship within the passageway in the housing, each diaphragm being respectively secured in fluid sealing relationship to the housing and the stem to collectively form an enclosed container for the dashpot liquid, a piston fixedly mounted on the stem intermediate the rolling diaphragms adapted for operative displacement within the housing and dividing the container into two chambers, a liquid metering passageway in the piston for providing fluid communication between the two chambers, and a check valve secured to the piston to permit the unidirectional flow of liquid therethrough, and when the dashpot liquid is not permitted to flow through the check valve, to direct the flow of dashpot fluid through the liquid meter

Abstract: A waste drain connection for independently-supported plumbing fixtures including a pipe with two open ends and a pair or radially-extending arms having open portions therethrough secured to the outside of the pipe intermediate the open ends thereof. A receptacle mounted to the plumbing fixture drain outlet is adapted to receive a fluid sealing gasket. Mounted to the plumbing fixture about the receptacle are two, oppositely-disposed threaded studs. The studs are arranged to be alignable with the pair of open portions in the arms of the pipe. A pair of nuts threadably engaged over the ends of the studs following mating thereof with the open portioned arms to move one of the ends of the pipe into sealing engagement with the gasket. A standard no-hub connection is used to couple the other end of the pipe to the plumbing drain.

Abstract: A plumbing installation jig and wall sleeve is provided for the secure and rapid installation of plumbing fixtures through concrete, gunite, masonry walls and the like. The device includes a single rectangular sleeve, with precisely located individual tubes for the anchor bolts which accurately position the fixture, and security bars which are attached to at least two of the parallel walls of the rectangular sleeve.