Patent ID: 7452005

Claim:
A duct sealing apparatus, comprising: a) a connector duct, comprising i) a first end having an annular first sealing portion extending radially therefrom, said first sealing portion having a side edge, ii) a first generally flat portion extending from said first end, iii) an expanded portion having an expanded diameter extending from said generally flat portion, iv) a second generally flat portion extending from said expanded portion, and, v) a second end having an annular second sealing portion extending radially therefrom, said second sealing portion having a side edge, b) a sealing assembly, comprising i) a split ring, comprising a ring having a gap therein, ii) at least one compression ring having a rim sized to fit over said first end of said first sealing portion or said second end of said second sealing portion in a friction fit, iii) an end cap subassembly, comprising a) an end cap ring comprising a first section and a second section, each section having a first end and a second end, b) a rim extending from said end cap ring, c) a lip extending inwardly from said rim and generally parallel to said end cap ring, d) at least one hinge joining said sections, e) a closure for removably maintaining said second ends in a fixed spaced relationship wherein said end cap fits over said compression ring.