1
Michel Arnout, Patrick Fonteneau, Didier Lasnier: Steelworks cutting nozzle with a double heating ring. L Air Liquide, Lee C Robinson Jr, April 18, 1989: US04821963 (13 worldwide citation)

The nozzle comprises an oxidizing outer heating ring and a carburizing inner heating ring surrounding the cutting jet. This nozzle is made in two parts respectively forming a unit (1) opf injectors and a cutting unit (2) in adjoining relation to each other in a transverse joint plane and in which ar ...


2
Michel Arnout, Jean Yves Thonnelier: Process and device for cutting by liquid jet. Lair Liquide, November 24, 1992: US05165602 (10 worldwide citation)

The process consists in providing at the outlet of a cutting nozzle, a central jet of cutting liquid and, simultaneously, a concentric jet of gas around the central jet of liquid, the jet of gas having a higher speed than that of the liquid jet. Typically, the liquid and the gas have the same compos ...


3
Michel Arnout, Eric Dufour, Roger Le Goff: Oxygen cutting method and nozzle. L Air Liquide, Lee C Robinson Jr, May 16, 1989: US04830681 (5 worldwide citation)

An oxygen cutting device comprising two cutting oxygen jets conducted through passageways with a passageway therebetween for a carburizing flame ensuring a reheating at depth of the rough-cut kerf which is effected by the first cutting oxygen jet and is finished by the second cutting oxygen jet.


4
Pierre Legrand, Michel Arnout: High-frequency arc striking device and auxiliary electrode of an electric welding or cutting arc. L Air Liquide Societe Anonyme pour l Etude et l Exploitation des Procedes Georges Claude, Lee C Robinson Jr, January 15, 1985: US04493969 (4 worldwide citation)

A high frequency-high voltage generator supplies current, on one hand, to a first arc striking circuit connecting a main electrode to an auxiliary electrode and, on the other hand, to a second arc striking circuit which connects one of the two electrodes to the workpiece to be treated. In this way t ...


5
Michel Arnout, Didier Lasnier, Richard Soula: Cutting head with oxygen jet. L Air Liquide Societe Anonyme pour l Etude et l Exploitation des Procedes Georges Claude, Curtis Morris & Safford, May 19, 1992: US05114121 (2 worldwide citation)

The present invention concerns a cutting head made of a cutting nozzle (2) with cutting oxygen duct (6) having radial ribs (11), the assembly being force fitted in a sheath (3) thus forming ducts of oxycombustible mixture (32). This nozzle which produces an improved heat dissipation can be made of r ...


6
Didier Lasnier, Michel Arnout: Valve with progressive opening and cutting torch (flame cutter) including such a valve. Air Liquide, Soudure Autogene Francaise, March 5, 1993: FR2680853-A1 (2 worldwide citation)

The valve with progressive opening comprises a shutter element (23) located in an internal space (14) of a tubular valve body (13) including, at one end, a conical seat (20) extended peripherally by a fluid-passage structure (21) including at least one fluid passage (22), the shutter element (23) in ...


7
Serge Suzon, Richard Soula, Michel Arnout: Process and apparatus for the formation of a deposit by projection of a coating material on a substrate. l Air Liquide Societe Anonyme pour l Etude et l Exploitation des Procedes Georges Claude, La Soudure Autogene Francaise, Curtis Morris & Safford, December 14, 1993: US05269462 (1 worldwide citation)

A projection device for depositing by projection a fused coating material onto a substrate. The projection device includes a projection nozzle having a central part defining a central passage for the coating material to be fused and projected. The central passage opening at a distal end thereof into ...


8
Michel Arnout, Didier Lasnier, Eric Dufour: Cutting torch for iron and steel metallurgy. L Air Liquide Societe Anonyme pour l Etude et l Exploitation des Procedes Georges Claude, Curtis Morris & Safford, March 26, 1991: US05002261 (1 worldwide citation)

The invention concerns a cutting torch for iron and steel metallurgy which is provided with two oxygen cutting ducts, ending in two housings, for receiving two cutting inserts, or a heating nozzle and a cutting insert. In this manner, there is obtained a torch which may very rapidly be converted int ...


9
Daniel Bathelier, Michel Arnout, Pascal Marlin: Nozzle and gun for the thermal spraying of plastic material.. Air Liquide, July 10, 1992: FR2671292-A1

The nozzle comprises a central core (18) defining the passage (19) for the plastic powder and the carrier gas, an intermediate tubular part (21) mounted on the central core and comprising passages (41, 42) for leading an oxygen-combustible mixture to orifices (46) for ejecting this oxygen-combustibl ...


10
Didier Lasnier, Pedro Collado, Michel Arnout: (valve) For adjusting the flowrate of fluid. Air Liquide, Soudure Autogene Francaise, January 15, 1993: FR2678998-A1

The nut (6) by which the tap is fitted in a housing (3) of a body (1) defining a passage for fluid (2, 4) and into which a needle valve stem (12) is screwed, actuated by an operating handwheel (20), is formed, at its upper end, with a transverse slit (slot) (22) defining a centrally-tapped end disc ...