Sealing mechanism for ductwork

Pipe joints or couplings – Materials – Sheet

Reexamination Certificate

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C138S164000, C138S166000

Reexamination Certificate

active

07992904

ABSTRACT:
HVAC ductwork should be sealed along its joints in order to reduce air leakage. The ductwork can be sealed by the combination of a gasket and mechanical locking mechanism.

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