Fluid handling – Processes – Cleaning – repairing – or assembling
Reexamination Certificate
2011-08-02
2011-08-02
Rivell, John (Department: 3753)
Fluid handling
Processes
Cleaning, repairing, or assembling
C137S068180, C137S068230, C137S315110, C062S051100
Reexamination Certificate
active
07987867
ABSTRACT:
A burst disc arrangement for a cryostat comprising a replaceable burst disc (52) held in compression between a high-pressure flange formed at an end of a high-pressure conduit (12), and a low-pressure flange (60) formed at an end of a low-pressure conduit (14). In particular, the burst disc arrangement further comprises: a housing (50) enclosing the high- and low-pressure flanges; and compression means (56), distributed around the housing (50) and being arranged to bear upon the one of the flanges (60), so as to urge it towards the other flange, thereby retaining the burst disc (52) in compression between the flanges. The housing (50) includes a first opening (20) large enough to allow the replaceable burst disc (52) to pass therethrough.
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United Kingdom Search Report dated Jul. 23, 2007 (Three (3) pages).
Husband Trevor Bryan
Walton Philip Alan Charles
Crowell & Moring LLP
Rivell John
Siemens plc
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