Measuring and testing – Sampler – sample handling – etc. – With constituent separation
Patent
1988-01-25
1989-08-22
Noland, Tom
Measuring and testing
Sampler, sample handling, etc.
With constituent separation
7386333, 7386473, 351158, G01N 124, G01N 126
Patent
active
048584762
ABSTRACT:
A sampling apparatus is provided which comprises a sampler for sampling air in the breathing zone of a wearer of the apparatus and a support for the sampler preferably in the form of a pair of eyeglasses. The sampler comprises a sampling assembly supported on the frame of the eyeglasses and including a pair of sample transport tubes which are suspended, in use, centrally of the frame so as to be disposed on opposite sides of the nose of the wearer and which each include an inlet therein that, in use, is disposed adjacent to a respective nostril of the nose of the wearer. A filter holder connected to sample transport tubes supports a removable filter for filtering out particulate material in the air sampled by the apparatus. The sample apparatus is connected to a pump for drawing air into the apparatus through the tube inlets so that the air passes through the filter.
REFERENCES:
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patent: 4080832 (1978-03-01), Moody et al.
patent: 4350507 (1982-09-01), Greenough et al.
patent: 4360253 (1982-11-01), Wyatt
patent: 4389903 (1983-06-01), Bertone et al.
patent: 4465067 (1984-08-01), Koch et al.
patent: 4559941 (1985-12-01), Timmons et al.
patent: 4589292 (1986-05-01), Delhaye et al.
patent: 4721517 (1988-01-01), Cloutier
Constant Richard E.
Hightower Judson R.
Noland Tom
Randolph William W.
The United States of America as represented by the United States
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