Gas separation – With separating media bypass or system gas pressure relief – Pressure relief means to or from atmosphere
Reexamination Certificate
2005-05-03
2005-05-03
Lawrence, Frank M. (Department: 1724)
Gas separation
With separating media bypass or system gas pressure relief
Pressure relief means to or from atmosphere
C055S344000
Reexamination Certificate
active
06887292
ABSTRACT:
With a receiving silo and/or filter device for inflammable dry bulk materials comprising a substantially cylindrical wall, a lid, a dry bulk material feeding and discharging system, as well as a pressure relief element opening at a predetermined pressure rise in the container, in particular with an explosion door and filter elements associated with the container, the aim is to further develop a silo or filter device of the specified type in such a way that it is capable with as little constructional expenditure as possible to absorb the occurring mechanical stresses and to safely assure pressure relief at the same time.
REFERENCES:
patent: 1971852 (1934-08-01), Goebels
patent: 3252402 (1966-05-01), Burmeister
patent: 3813853 (1974-06-01), Anderson
patent: 4159151 (1979-06-01), Wood
patent: 4701080 (1987-10-01), van Aalst
patent: 4793838 (1988-12-01), Thorne
patent: 5149348 (1992-09-01), Bissinger
patent: 5514195 (1996-05-01), Durst et al.
patent: 28 17 746 (1979-10-01), None
Collard & Roe P.C.
Lawrence Frank M.
Thorwesten Vent GmbH
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