B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
277/2, 110/76
B65B 3/04 (2006.01) F16J 15/40 (2006.01) F23J 1/02 (2006.01)
Patent
CA 1164279
- 10 - REMOVABLE SEAL FOR ASH HOPPERS AND THE LIKE Abstract of the Invention A removable seal for interconnecting passageways (10, 12) that move relative to each other. A liquid containing trough (28) is secured to one of the passageways, preferably the lower, and it has floated in it a curtain member (40) which moves in accordance with the level of liquid in the trough. This member (40) extends from the trough (28) and sealingly engages the other passageway when in an upper position but is spaced therefrom when in a lower position. This construction is especially suitable for sealing an ash hopper (12) to the lower end of a furnace (10).
386315
Anderson Paul C.
Sullivan Robert P.
Abb Alstom Power Inc.
Smart & Biggar
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