Measuring and testing – Sampler – sample handling – etc. – Withdrawing through conduit or receptacle wall
Patent
1994-03-07
1995-10-17
Raevis, Robert
Measuring and testing
Sampler, sample handling, etc.
Withdrawing through conduit or receptacle wall
138114, G01N 114
Patent
active
054580099
ABSTRACT:
Enameled tubular unit which can be inserted into and fixed at the nozzle of a vessel and which is enameled at all places exposed to the product and can be used as dip pipe. The unit is having a double wall formed by two coaxial tubes (1,2) connected at the lower end through a connecting region with each other. The outer surface of the outer tube (1), the inner surface of the inner tube (2) and the connection region are enameled. The diameter of the outer tube is selected in accordance with strength considerations in such a manner, that it permits performing an additional function of the unit. Into the inner tube (2) a sampling tube (3) is inserted, consisting of a material having a corrosion resistance corresponding to the corrosion resistance of enamel. The outer tube may be a component part of a thermometer tube or of an agitation baffle. The outer tube may also serve as a measuring probe carrier.
REFERENCES:
patent: 3623369 (1971-11-01), Kjellberg
patent: 3747411 (1973-07-01), McDermott et al.
patent: 4166020 (1979-08-01), Trampert
patent: 4329937 (1982-05-01), Holland
patent: 4335753 (1982-06-01), Flye
patent: 4368219 (1983-01-01), Nagata et al.
patent: 4594903 (1986-06-01), Johnson
patent: 5109711 (1992-05-01), Wendt
Leaflet by Applicant dated Apr. 30, 1991, 177-8 def.
Leaflet: pHampler of Ethylene Corporation.
Leaflet: Sampling device of De Dietrich.
Chemical Processing: "Automated pH control boosts reactor efficiency".
Pfaudler Sales Bulletin SB21-400-1.
Leaflet: "Sampling device" of Neotecha.
Dunn Michael L.
Pfaudler-Werke GmbH
Raevis Robert
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