Horn flare

Details Horn flare Horn flare

1978-08-01

1979-10-23

Swisher, S. Clement

Signals and indicators

Horns, whistles and compressional wave generators

116142R, 340404, G08B 310

Patent

active

041716779

ABSTRACT:
A horn flare has first and second plastics mouldings which are welded or adhesively secured together. The first moulding has an end wall having a central opening aligned with the space inside a first annular wall extending integrally from the end wall. A further integral annular wall surrounds the first annular wall and a collar having a stepped annular recess therein surrounds an additional wall. The second moulding has an end wall which overlies the first annular wall and the further integral annular wall. Extending integrally from the end wall of the second moulding are said additional wall and a further wall. The additional wall lies between the first annular wall and the further integral annular wall while the further wall of the second moulding lies outside said further integral annular wall of the first moulding. The second moulding further includes an open-ended flared sleeve which is integrally connected with the further wall of the second moulding by spaced lugs. One end of the sleeve has an annular tongue which engages in the recess to hold the mouldings apart so that a sinuous air passage is defined between the mouldings.

REFERENCES:
patent: 1366493 (1921-01-01), Reynolds
patent: 1748790 (1930-02-01), Osborne
patent: 2058555 (1936-10-01), Betts

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