Measuring and testing – With fluid pressure – Porosity or permeability
Reexamination Certificate
2005-11-18
2009-12-22
Williams, Hezron (Department: 2856)
Measuring and testing
With fluid pressure
Porosity or permeability
C073S040000, C264S040100
Reexamination Certificate
active
07634938
ABSTRACT:
The aspects of the present invention provides for an apparatus for conveying air into foam so that the flow of air within the foam may be monitored to determine one or more characteristics of the foam. The apparatus includes a nozzle and an adjustable member having a substantially planar surface. The nozzle is configured for operative connection to an air flow meter. The nozzle includes a tube sized and dimensioned to be inserted easily into the foam. The tube has a wall and an aperture formed in the wall. The aperture is sized and dimensioned to allow air to flow through the aperture and into the foam, and the aperture extends partially about the circumference of the tube. The adjustable member is operatively connected to the nozzle. The member adjusts axially to control the depth of insertion into the foam.
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Liverman Ivan Neil
Maresh Mark Edmund
Sattora Christopher John
Stegner Eric Allen
Stegner Robert William
Bennett Steven L.
International Business Machines - Corporation
Shabman Mark
Williams Hezron
Yee & Associates P.C.
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