Coating apparatus – With vacuum or fluid pressure chamber
Patent
1985-02-19
1986-08-12
McIntosh, John P.
Coating apparatus
With vacuum or fluid pressure chamber
118421, 118429, 118696, B05C 302
Patent
active
046049649
ABSTRACT:
A tissue processing apparatus comprises a processing chamber (1), a plurality of reagent containers (5), only one of which is illustrated, and a selector valve (2) for sequentially connecting the processing chamber (1) to each of the said reagent containers (5) to transfer fluid between the chamber and such a container. A vacuum/compression pump (6) and a changeover valve system connected to each of the reagent containers (5) and to the processing chamber (1) is operable to promote reagent flow in a required direction between a reagent container (5) and a processing chamber (1) while maintaining a closed circuit for reagent and gas displaced by the pump between the chamber and the container.
REFERENCES:
patent: 3348774 (1967-10-01), Wiggins
patent: 3892197 (1975-07-01), Kinney et al.
patent: 4054692 (1977-10-01), Monmarson
Evans Robert
Gordon Alan J.
Sterritt David W.
McIntosh John P.
Shandon Southern Products Limited
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