Radiant energy – Ionic separation or analysis – With sample supply means
Patent
1987-05-05
1989-04-04
Anderson, Bruce C.
Radiant energy
Ionic separation or analysis
With sample supply means
250281, 7386481, 7386473, H01J 4904
Patent
active
048188700
ABSTRACT:
A sampling probe, particularly suitable for use in withdrawing air from a cargo container and leading the withdrawn air towards a mass analyser to check for drugs and explosives, comprises a plurality of hollow interconnected sections. Their internal surfaces, including collars supporting inner tubes co-axially with outer tubes, are of inert plastics material such as PTFE and are substantially continuous through a coupling between each pair of adjacent sections. The couplings each include a pair of spring catches having teeth to be held in an annular groove by a slidable sleeve. Tongues engage in cutouts to permit transmission of torque. The end section has air openings and can have a hook to allow it to be hung over the upper edge of a vehicle side. The termination section has part of a quick release coupling and can have a bend for use in orientation and manipulation. There can be one or more intermediate sections of different length, or the end section can be inter-connected directly to the termination section.
REFERENCES:
patent: 2784987 (1957-03-01), Corcoran
patent: 4298795 (1981-11-01), Takeuchi et al.
Anderson Bruce C.
British Aerospace PLC
Miller John A.
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