L'air Liquide, Soci&#xe9;t&#xe9; Anonyme Pour L'etude Et L'exploitation Des Proc&#xe9;d&#xe9;s Georges Claude

Air Liquide France Industrie

Fabrice Bouquin

Philippe Campo

Marc Leturmy

Bruno Alban

Olivier Matile

Etienne Charve

Alban Poirier

Marc Gravier

Frederic Goulas

A method for machining workpieces, having a cryogenic fluid intake in a machining zone, including locating a valve on the line connecting a fluid source to a machining tool in the machining zone, the valve self-regulates the degree of opening according to the pressure required downstream thereof, the valve is located inside a cold box for implementing the cryogenic fluid and provides a fixed and adjustable pressure, and a fixed adjustable flow, to the machining tool, irrespective of the tool that is used, and the number of orifices and the diameter of the fluid ejection orifices in the tool.

Method for supplying cryogenic fluid to a machining machine

The invention relates to a method for treating storage or product preparation tanks, tanks of the type which regularly undergo a hot aseptic washing step, followed by a cold water rinsing step, the method being characterized in that an inert gas is injected into the tank during all or part of the rinsing step.

Method of inerting aseptic tanks

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Guyancourt, France

Fabrice Bouquin