Portable system for measuring the internal pressure of a...

Details Portable system for measuring the internal pressure of a... Portable system for measuring the internal pressure of a...

2005-08-30

2005-08-30

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

C252S181700

Reexamination Certificate

active

06935183

ABSTRACT:
A portable apparatus for measuring the internal pressure of a vacuum panel is described, includes a measuring head having an cavity wherein a sensor of movement is arranged; the device, supported on a portion of the envelope of the panel, detects the movement of a part of the portion of the envelope facing the cavity, following the evacuation of the space formed by said cavity and the part of envelope.

REFERENCES:
patent: 4899574 (1990-02-01), Potteiger
patent: 6200494 (2001-03-01), Manini et al.
patent: 29 39 882 (1980-04-01), None
patent: 196 46 876 (1997-12-01), None
patent: 198 13 288 (1999-09-01), None
patent: 0 769 117 (1998-09-01), None
patent: 0 757 920 (2000-02-01), None
patent: 5-142075 (1993-06-01), None
patent: WO 93/15385 (1993-08-01), None

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