CPC E04C 5/10 (2013.01) [F16L 25/0018 (2013.01); F16L 25/0054 (2013.01)] | 8 Claims |
1. A closure assembly comprising:
a section of duct;
a duct coupler assembly, the duct coupler assembly fit against the section of duct;
a closure load plug, the closure load plug mechanically connected to the duct coupler assembly; and
an end cap, the end cap mechanically connected to the closure load plug, wherein the closure load plug has an outer surface, the outer surface of the closure load plug including male threads and wherein the duct coupler assembly has an inner surface, the inner surface of the duct coupler assembly including female threads.
|