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Title: Safety pressure relief device assembly

Abstract: A safety pressure relief device including a pair of annular disc holders adapted to clamp between them a reverse buckling disc, one of the annular discs being located within the other disc and an arrester bar being disposed within the confines of the other disc member.


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Inventors: Brodie, George W. (Wellington, GB2)

Application Number: 06/278613
Filing Date: 1981-06-29
Publication_date: 1983-08-23
Assignee: IMI MARSTON LTD (GB)

Primary Class(es): 137/68.210 220/89.200, 137/68.260
Other Classes: F16K17/16; F16K17/02; F16K13/04
US Patent Ref:
3845878November, 1974Carlson137/68RSAFETY VENT SYSTEM FOR TANKS
3901259August, 1975Banbury137/68RPressure relief apparatus

Other Refs: BE517502
February, 1953137/68R

Primary Examiner: Weakley, Harold W.
Assistant Examiner:
Attorney: Cushman, Darby & Cushman
Claims:
I