Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1978-01-16
1979-02-27
Lanham, C. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
55379, B23P 1516
Patent
active
041411285
ABSTRACT:
A filter that is used to remove dust or other particulate matter from a carrier gas being directed therethrough. The filter comprises a cylindrical bag supported on a skeletal cage that may be shipped in an unassembled form and expanded to final configuration only when prepared for use. The arrangement permits shipping and storing the filter bag in a "knock-down" form that occupies but a small fraction of its final volume, while it may be readily assembled and held permanently rigid by an integral tension spring.
REFERENCES:
patent: 1124574 (1915-01-01), Zimmer
patent: 3007238 (1961-11-01), Pall
patent: 3286838 (1966-11-01), Jones
patent: 3386587 (1968-06-01), Mast et al.
patent: 3394532 (1968-07-01), Oetiker
patent: 3499268 (1970-03-01), Pausch
patent: 3733784 (1973-05-01), Anderson et al.
Gurley D. M.
Lang Wayne H.
Lanham C. W.
The Air Preheater Company, Inc.
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