Liquid feed nozzle, wet treatment apparatus and wet...

Cleaning and liquid contact with solids – Processes – Including application of electrical radiant or wave energy...

Reissue Patent

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Details

C134S015000, C134S034000

Reissue Patent

active

RE042420

ABSTRACT:
The wet treatment liquid feed nozzle of the invention comprises an introducing path having an introducing port, a discharging path having a discharging port, a crossing section formed by causing the introducing path and the discharging path to cross at the other ends thereof, a nozzle assembly having an opening section opening to an object to be treated, provided at the crossing section, and pressure control means, for controlling the difference between the pressure of the wet treatment liquid in contact with the object to be treated and the atmospheric pressure provided at least on the discharging path side so that the wet treatment liquid having been in contact with the object to be treated via the opening section does not flow to outside the discharging path.

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