Gas passage shifting device

Details Gas passage shifting device Gas passage shifting device

1994-03-10

1995-03-14

Williams, Hezron E.

Measuring and testing

Particle size

73 37, 285 97, 277 34, G01N 704, F16J 1546

Patent

active

053968131

ABSTRACT:
A novel gas passage shifting device used primarily for a surface area measuring apparatus for particulate materials is disclosed. The device is characterized by having a base member provided with a recess which receives a tubular body so as to gas-tightly connect it to the gas passage by a simple operation.

REFERENCES:
patent: 3211007 (1965-10-01), Atkins
patent: 3603138 (1971-09-01), Peterson

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