Fluid handling – With repair – tapping – assembly – or disassembly means – Tapping a pipe – keg – or apertured tank under pressure
Reexamination Certificate
2005-05-17
2005-05-17
Rivell, John (Department: 3753)
Fluid handling
With repair, tapping, assembly, or disassembly means
Tapping a pipe, keg, or apertured tank under pressure
C137S553000, C138S089000, C138S094000, C138S097000, C138S104000, C251S058000
Reexamination Certificate
active
06892752
ABSTRACT:
A pipeline isolating device for istallation into and occlusion of a pressurised liquid or fluid supply pipe comprising a substantially solid and deformable boot (1) wich is adapted to move between an expanded and an unexpanded state and a shaped plunger (2) adapted to move into and out of said boot (1) wherein the boot (1) has a hollow interior (3) with a displacement contour (6) adapted to receive and cooperate with said plunger (2) so as to cause said boot (1) to move between said expanded state when the plunger (2) is inserted into said hollow interior (3) of the boot (1) and said unexpanded state when said plunger (2) is withdrawn from the interior (3) of the boot (1).
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Burlock Richard
Evans Craig
E D Evans Holdings PTY LTD
Rivell John
Yarra Valley Water
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