Patent ID: 7744134

Claim:
A connector assembly configured to connect an insulated duct section having walls formed of insulated board to another duct section, the assembly comprising a plurality of first elements, and a plurality of second elements, wherein each first element includes attachment means for attachment of an end face of a duct section thereto, and wherein, in use, at least one second element engages with two first elements, wherein each first element comprises a flange, and each attachment means comprises an opening in the flange configured to receive a wall of the insulated duct section, wherein each second element constitutes a corner element, wherein each said first element and each said second element each include a sealing means, and wherein the sealing means of the said first elements comprises a rib extending along a longitudinal axis of each first element and the sealing means of each second element comprises a complementary channel extending between the free ends thereof, wherein, in use, the rib of the first elements being received in the channel of the corner elements, and wherein the sealing means of the first and second elements each extend into and seal in a groove in an end face of the insulated duct section providing a substantially continuous seal between the first and second elements and the end face of the insulated duct section.