(under subclass 132) Apparatus in which the liquid accumulating in the siphon chamber traps air in the siphon element and means is provided to release such trapped air to initiate liquid flow through the siphon.
SEE OR SEARCH THIS CLASS, SUBCLASS:
143, for siphon venting or breaking.
144, for removal of the air which accumulates in siphons during use.
SEE OR SEARCH CLASS
4, Baths, Closets, Sinks, and Spittoons,
369+, for water closet flush tanks having an outlet siphon which is prevented from discharging until air is positively release therefrom.
