Pipes and tubular conduits – Repairing
Patent
1987-02-05
1988-06-14
Joyce, Harold
Pipes and tubular conduits
Repairing
98 4001, 138162, 285 4, 285177, 285192, 285405, 285921, F24F 704
Patent
active
047504110
ABSTRACT:
The box has an end wall and four side walls extending therefrom to an open end. The end wall and each of the side walls has a plurality of different size concentric geometric figures formed by grooves in one side thereof whereby the end wall and each of the side walls may be cut along the grooves to form different size openings for receiving different size conduits for the flow of air therethrough. The open end of the box is adapted to be coupled to an inlet formed through the wall of a house or building for use as a register box. A wye connector adapter plate also is provided for connection to the open end of the box whereby the box may be used as a wye connector. The adapter plate has a plurality of different size concentric geometric figures formed by grooves in one side thereof whereby the adapter plate may be cut along the grooves to form different size openings for receiving different size conduits for the flow of air therethrough. A special collar also is provided for use for connecting air ducts to the box and to the wye connector.
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Joyce Harold
Zobal Arthur F.
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