Patent ID: 7278450
Filing Date: 2007-10-09
Classification: F16L

Abstract:
1. A coupling assembly securable in the open end of a pipe having a bore defined by a cylindrical inner wall, said coupling assembly comprising: a cylindrical body including an upper portion a medial portion and a shoulder; said medial portion extending below said upper portion and having an outer diameter that is smaller than an outer diameter of said upper portion; said shoulder extending below and projecting outward from said medial portion, said upper portion having a plurality of channels formed therein and extending from an upper end to a lower end of said upper portion; a pliable seal disposed around said medial portion upward of said shoulder; a collar disposed around said cylindrical body above said seal said collar having a lower surface positioned proximate said seal, a screw threadingly advanceable through each of said channels of said upper portion of said cylindrical body and engageable with an upper surface of said collar, each said screw threadingly advanceable downward to push said collar downward and against said seal; and wherein a bore extends into said cylindrical body from a lower end thereof.