Angled plates for connecting ducts

Details Angled plates for connecting ducts Angled plates for connecting ducts

1995-01-17

1996-10-15

Nicholson, Eric K.

Pipe joints or couplings

Flange

285424, F16L 2300

Patent

active

055647588

ABSTRACT:
An angular plate for connecting channel shaped flanges at the ends of ducts and including first and second legs each having substantially planar top and bottom surfaces and with an inner end portion of the first leg joined to an inner end portion of the second leg so as to establish an angle therebetween. Defined by the inner end portions is an opening for receiving a connector, the first leg has substantially parallel inner and outer edges extending between an outer end portion thereof and its inner end portion and the second leg similarly has substantially parallel inner and outer edges extending between an outer end portion thereof and its inner end portion. The outer end portion of the first leg defines structure projecting extending transversely from at least one of the inner and outer edges of at least one of the first and second legs. The projection engages a side wall portion of the duct's transverse flange to retain the plate in a desired position prior to crimping of the flange.

REFERENCES:
patent: 2857635 (1958-10-01), Maple et al.
patent: 3321223 (1967-05-01), Snow et al.
patent: 3866380 (1975-02-01), Benson
patent: 4105348 (1978-08-01), Anderson et al.
patent: 4357744 (1982-11-01), McKenzie et al.
patent: 4542923 (1985-09-01), La Crosse et al.
patent: 4572553 (1986-02-01), Geldner
patent: 4683634 (1987-08-01), Cole
patent: 4725083 (1988-02-01), Schauer

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