Bellows type hand-operated air sampling pump

Details Bellows type hand-operated air sampling pump Bellows type hand-operated air sampling pump

1988-08-16

1989-08-22

Croyle, Carlton R.

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386462, 417472, 417 63, G01N 114

Patent

active

048584789

ABSTRACT:
A hand-held air sampling pump can be operated with one hand to consistently sample an exact, predetermined volume of air by causing a bellows to compress and then elongate to form a vacuum inside of the bellows to draw an air sample through a detector tube and into the bellows.

REFERENCES:
patent: 2648331 (1953-08-01), Bennett
patent: 3119272 (1964-01-01), Haunschild
patent: 3426745 (1969-02-01), Farr
patent: 3612722 (1971-10-01), Neward
patent: 3803988 (1974-04-01), Orr
patent: 3981632 (1976-09-01), LeFebre
patent: 4060178 (1977-11-01), Miller
patent: 4594051 (1986-06-01), Gaston
MSA Sales Bulletin Data Sheet 8-00-02, dated 1988.
Dragerwerk AG Lubeck Sales Information and Excerpts, dated Feb. 1983.
Sensidyne Sales Catalog, dated 1986.

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