Fluid handling – With indicator – register – recorder – alarm or inspection means – Fluid pressure responsive indicator – recorder or alarm
Reexamination Certificate
2006-11-14
2006-11-14
Keasel, Eric (Department: 3753)
Fluid handling
With indicator, register, recorder, alarm or inspection means
Fluid pressure responsive indicator, recorder or alarm
C073S714000, C073S744000, C116S285000
Reexamination Certificate
active
07134449
ABSTRACT:
A valve body is provided with at one end with a threaded shank for hermetic coupling to a gas container. The valve body is further provided with a handwheel incorporating a gas status indicator device. That device includes a spring-loaded plunger having a head and a helical stem that is engaged in a cavity of a rotatable body so that an axial movement of the plunger, in opposition to a spring biasing force, results in a rotation of the rotatable body. A visible portion of the rotatable body is marked so as to provide an indication of the axial position of the plunger relative to the handwheel, to thereby indicate gas pressure.
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Cavagna Group Switzerland S.A.
Coleman Henry D.
Keasel Eric
Price Craig
Sapone William J.
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