Distillation: apparatus – Apparatus – Elements
Reexamination Certificate
2005-01-18
2005-01-18
Caldarola, Glenn (Department: 1764)
Distillation: apparatus
Apparatus
Elements
C202S244000, C202S246000, C202S247000, C202S248000, C202S251000, C202S252000, C202S253000, C049S453000, C137S015230, C137S315130, C137S315190, C137S315200, C137S315290, C137S315300
Reexamination Certificate
active
06843889
ABSTRACT:
A coke drum bottom de-heading system having an internal shroud enclosure and a shroud end cap opened by a flange to a coke bottom de-heading valve capable of accepting the end of a gate valve upon actuation. Acting in coordination with the shroud enclosure to prevent the escape of steam is a gate seal assembly having a gate seal slidably engaged against the sliding gate to prevent the passage of steam thereby.
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Lah Ruben F.
Larsen Gary
Caldarola Glenn
Curtiss-Wright Flow Control Corporation
Kirton & McConkie
Krieger Michael F.
Wachtel Alexis
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