Interfloor tube aspirator inlet muffler

Details Interfloor tube aspirator inlet muffler Interfloor tube aspirator inlet muffler

1980-05-07

1981-11-03

McCarthy, Edward J.

Advancing material of indeterminate length

By fluid current

And web storage

28271, 181264, B65H 1732, D02G 116

Patent

active

042981530

ABSTRACT:
A muffler (10) for use in conjunction with an interfloor tube and aspirator (20) during the production of multifilament, synthetic yarn is provided. Audible noise which is emitted at the inlet end of the interfloor tube is reduced by up to 10 .DELTA.db(A) through the use of a perforated tube (11), restrictor plate (13) and sound absorbing material (16).

REFERENCES:
patent: 3545565 (1970-12-01), McCaffrey
patent: 4024698 (1977-05-01), Weiss
patent: 4030651 (1977-06-01), Weiss
patent: 4040782 (1977-08-01), Weiss
patent: 4043008 (1977-08-01), Weiss
patent: 4110876 (1978-09-01), Weiss
patent: 4113051 (1978-09-01), Moller
patent: 4116303 (1978-09-01), Trudell
patent: 4263982 (1981-04-01), Feuling

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