Distributor-collector assembly

Claim 1

A distributor-collector assembly, comprising in combination a rigid conduit provided with a row of precisely dimensioned apertures accurately located in the wall thereof, an axially rigid tubular grid fitted over said conduit with one end of said conduit extending beyond one end of said grid, a fine mesh flexible sleeve fitted over said grid and extending outwardly beyond said one end of said grid, said sleeve and said grid obscuring said apertures, closure means secured to the other end of said conduit for closing said other end of said conduit and for sealing said sleeve to said conduit in proximity to said other end, an annular resilient gasket positioned over said sleeve adjacent to and beyond said one end of said grid, said one end of said conduit being provided with an external screw thread, an annular connector element having an internal screw thread mating with said external thread on said conduit removably to secure said connector element to said conduit, said annular connector element having means thereon which cooperates with said gasket to seal said sleeve to said conduit beyond said one end of said grid, a manifold having an internally screw threaded port, said annular connector element having an external screw thread mating with said internally threaded port sealably to affix said conduit to said manifold, said annular connector element having externally disposed visible indicia angularly located at a predetermined position relative to said row of apertures to show the precise angular location of said row of apertures relative to said manifold after assembly of said connector element to said manifold.