B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
39/104, 22/77
B22D 27/00 (2006.01) B22D 5/04 (2006.01)
Patent
CA 1201572
-11- ABSTRACT An apparatus for maintaining a particular atmosphere above a predetermined portion of a train of closely spaced open top containers mounted on an endless conveyor chain is disclosed. The apparatus comprises a cover plate located at a predetermined distance above a number of such containers and extending before and after such pre- determined portion. The cover plate has a predetermined number of ports therein for feeding a gas through the cover plate to progressively develop a particular atmosphere in the containers as they approach the predetermined portion of the endless conveyor and to maintain such atmosphere in the containers as they pass such predetermined portion.
442356
Deep George
Smyth Laurence C.
Noranda Inc.
Primak & Co.
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