Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing
Patent
1975-11-25
1977-05-10
Rosenthal, Arnold
Fluid handling
With cleaner, lubrication added to fluid or liquid sealing...
Cleaning or steam sterilizing
251174, 251328, 138 943, F16k 3312
Patent
active
040222411
ABSTRACT:
A mount for a damper which is inserted between duct sections. An assembly of bent plate spring duct seal members forms a seal assembly mounted on each duct section at adjacent ends of the duct sections. The damper plate advances between the seal assemblies in sealing relation with the seal members. An enclosure surrounds the seal assemblies to form a chamber surrounding the seal assemblies. Air is blown into the chamber to prevent escape of contents of the duct sections at the damper plate. Access openings are provided in the enclosure. Adjoining edges of the spring seal members are bridged by angle-shaped bridge members.
REFERENCES:
patent: 1489857 (1924-04-01), Stevens
patent: 3580541 (1971-05-01), Bouitot
patent: 3658084 (1972-04-01), Hastings et al.
patent: 3918471 (1975-11-01), Bedner
Air Clean Damper Co., Inc.
Pearce James W.
Rosenthal Arnold
Schaeperklaus Roy F.
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