EP0599709B2 - Torche de coupage plasma - Google Patents
Torche de coupage plasma Download PDFInfo
- Publication number
- EP0599709B2 EP0599709B2 EP93402814A EP93402814A EP0599709B2 EP 0599709 B2 EP0599709 B2 EP 0599709B2 EP 93402814 A EP93402814 A EP 93402814A EP 93402814 A EP93402814 A EP 93402814A EP 0599709 B2 EP0599709 B2 EP 0599709B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- series
- torch
- passages
- passage
- unitary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/26—Plasma torches
- H05H1/32—Plasma torches using an arc
- H05H1/34—Details, e.g. electrodes, nozzles
- H05H1/3489—Means for contact starting
Definitions
- the present invention relates to cutting torches plasma, of the type comprising a torch body comprising an electrode and a nozzle, and means mounting and connecting the torch body.
- Plasma cutting torches typically include a monobloc torch body with, at the back connections to supply lines in fluid and electrical energy and fixing means on a frame or a working machine, and in the front, means for mounting the electrode and the nozzle. Disassembly of these torches, for maintenance operations or replacement of worn or defective parts, requires disassembly operations and winding delicate and long, which immobilize the production machine for a long time and which most often oblige to proceed to new torch positioning settings before reviving the production.
- GB-A-2091594 discloses a modular torch comprising a received cathode subassembly in a nozzle subassembly, these two subassemblies being arranged prisoners in a subset of box in several parts.
- US-A-4,756, 686 teaches a manual brazing torch or the like comprising a ball cage mechanism for to allow a connection of the nozzle on the torch body.
- EP-A-326,445 describes a plasma arc torch on which just plug in a cartridge made of a electrode and a nozzle.
- the cartridge is fixed in the torch body via a cage type mechanism.
- the object of the present invention is to propose a new torch architecture, modular design, allowing a quick and easy replacement of the body torch and / or its constituent elements and suppressing positioning re-adjustment problems after reassembly.
- the torch comprises a torch holder comprising a first series of fluid passages connectable to respective circuits supplying said fluids and a first face of support, a unitary set of torch bodies comprising an electrode and a nozzle and having a second set of fluid passages and a second support face, and assembly means for assembling quickly the unitary set of torch body and the torch stand, with the first and second bearing faces in axial support against each other and with the passages from the first series communicating with the respective passages of the second series as defined in claims 1, 2 or 3.
- FIG. 4 is a longitudinal sectional view of an embodiment of a torch according to the invention.
- a plasma cutting torch comprises, in general, a torch holder A, intended to be mounted on a machine frame and on a end of which is mounted a unitary set of torch body B, the torch holder A comprising, at its opposite end, a series C of connecting elements to fluid lines and lines electric.
- the torch holder A has a block metal 1, typically made of brass, having a succession of stepped bores of different diameters 2. 3, 4, 5 and surrounded by an insulating envelope 6.
- Connection between bores 2 and 3 form an annular face transverse 9 in which a passage opens supplying a second actuating gas 10.
- a passage 11 of supply of a third actuating gas In the bottom of the bore 4 is mounted an electrical contact socket 5, the bore 4 communicating with a tubing T of gas supply plasma.
- Support A has, at its end before, a metal sleeve 12 isolated from the block 1 and comprising an external thread 13.
- the torch body B comprises a metal tubular assembly 14 comprising a rear part forming a sliding piston 15 in an internal bore 16 of a metallic tubular jacket 17 provided with peripheral seals and intended to be received in the first bore 2 of the support of torch A.
- the shirt 17 is secured to a set lower skirt 18 whose upper end forms a flange 19 extending radially outwardly.
- On the lower end of the skirt set 18 is mounted a cap 20.
- the tubular assembly 14 is extended rearwards by a stepped cylindrical part intended to be received sealingly in the bores rear 3 and 4 of the torch holder A.
- the rear end of the liner 17 forms an annular bearing surface 21 coming against the annular face 9 of the support torch A.
- tubular assembly 14 In the tubular assembly 14 is mounted sealingly a tubular element 22 enclosing a spring 23 urging downward on a sliding piston 24 in a sealed manner in the tubular element 22 and secured a hollow rod 25 extending with a leaktight sliding in the tubular element 22 and in a tubular extension 33 of the assembly 14, and carrying, at its end lower, a longitudinal tongs clamp structure flexible means 26 forming locking means and maintaining a hollow electrode tail 27 carrying its lower end a hollow electrode 28.
- the clip structure 26 cooperates with a clip lock outer tubular 29 slidably mounted on the rod 25 and resiliently biased downwards by a spring 30.
- the latch 29 has at least one transverse protrusion 31 through an oblong slot 32 formed in the tubular extension 33 of the assembly 14 and carrying, at its lower end, a clamp structure 34 with cooperating flexible longitudinal tongues with a peripheral elastic ring 35 and forming means for holding and blocking a nozzle 36 in which extends the electrode 28 and provided centrally a plasma jet ejection channel 37.
- the plasma gas introduced into the bore 4 crosses the torch body B centrally in the electrode 28 from which it passes inside the nozzle 36.
- the cooling gas introduced into the passage 7 penetrates, through transverse openings 38 into the shirt 17 to flow into the skirt 20, around the nozzle 36.
- a locking gas, introduced through passage 8, penetrates through transverse openings 39, in the bore 16 to push back the piston 15 up and hold the clamps 26 and 34 in the configuration engagement of electrode tail 27 and the nozzle 36, respectively.
- the upper part 40 of the assembly 14 forms, in the bore 3, an unlocking piston which, when unlocking gas is introduced into the bottom of the bore 3 through the passage 11, pushes the assembly 14 downward, thus releasing the clamp structure 34 of the ring 35 and allowing the extraction of the nozzle 36.
- the projections 31 abut on an internal shoulder 41 of the sleeve 17, thus releasing the clip 26 and allowing the release of the electrode 28.
- the electrode 28 is normally kept pressed against the bottom of the nozzle 36 by the spring 23.
- priming gas is introduced through the passage 10 and enters through passages transverse, 42 between the set 14 and the set 22 into an annular chamber 43 in front piston 24 to push the latter against the spring 23 and thus discard the electrode 28 of the nozzle 36 for, at first, to start the bow and, by following, allow the escape of the plasma gas since inside the nozzle 36 to the outside, through the passage 37.
- the torch body B is kept locked on the support A by a nut 70 cooperating with the flange 19 and screwed on the thread 13 of the support A, a simple unscrewing of the nut D allowing to extract the torch body assembly B for a quick replacement of the latter.
- the insulating envelope 6 and the metal block 1 of the Torch support A which has, here, a lower face flat transverse 9 forming support for the bottom 21 of a ball cage 45 forming the rear end of a block 46 of the torch body B which encloses a structure of hollow electrode 280 protruding rearward and on the lower end or front of which is mounted the nozzle 36 surrounded here in a sealed manner by a skirt 20 'defining part of a cooling circuit water, the water being introduced into a longitudinal passage 47 in block 1, passing through a passage 48, aligned with the passage 47, in the block 46, into the cap 20 'to pass, via transverse passages 49, inside the electrode structure 280 and come out up block 1 through an exit passage 50.
- the electrode structure 280 extends upward, beyond of the face 21, in a central stepped bore 51 of the block 1 having an electrical contact socket 52.
- the electrode structure 280 further forms a structure intermediate piston 53 sliding in a bore central block 46, the front face of the piston 53 receiving, by aligned passages 54 in block 1 and 55 in block 46, a priming gas to move the electrode 280 of the nozzle 36, a defusing gas being introduced, by a passage opening, in 56, on the face rear of the piston 53 to bring back, at the end of use and at the beginning of reuse, the electrode 280 in contact with the nozzle 36 where the plasma gas arrives through passages opening radially, at 57, in the nozzle 36.
- the passages of fluids, such as 48 and 55, of the torch body B comprise sockets, such as 58 and 59, projecting beyond of the face 21 and received sealed in the passages corresponding, such as 54, of the torch holder.
- the socket 58 of the cooling water supply circuit cooperates with a hollow rod 60 arranged in the passage supply of water 47 to repel, in use, a shutter valve 61 biased elastically in position closure.
- the passage water outlet 50 comprises, at the outlet, a key 62 normally elastically biased towards its position closing and open, in assembled configuration, by the upper, hollow end of the electrode structure 280. In this way, by disconnecting the body from torch B of the torch holder A, the valves 61 and 62 are close, thus avoiding the flow of water since torch bracket A.
- the cage 45 carries at least one ball 63 intended to cooperate, in blocking position, with an annular groove 64 formed at the periphery of the cylindrical front end from block 1 and with a sliding cylindrical lock 65, forming a ramp, arranged in a chamber of the end before the insulating casing 6 and urged in position locking by a spring 66.
- the torch body B has a sliding pusher 67 allowing to retract the lock 65, against the spring 66, when of set up, by simple plugging, and extraction Torch body B.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Plasma Technology (AREA)
- Arc Welding In General (AREA)
Description
- au moins un des passages de fluide de la deuxième série comporte une partie d'extrémité faisant saillie par rapport à la deuxième face d'appui et destinée à être reçue dans un logement du support définissant une partie d'un passage de la première série ;
- la première et la deuxième séries de passages comportent
chacune :
- un passage de gaz plasmagène,
- au moins un passage de fluide de refroidissement,
- l'ensemble de corps de torche comprend au moins
un piston de déplacement relatif de l'électrode par
rapport à la tuyère, les première et deuxième séries
de passages comportant chacune au moins un passage
de gaz d'actionnement du piston,
l'ensemble de corps de torche comprend un premier moyen à actionnement par fluide de maintien de l'électrode et, avantageusement, un deuxième moyen à actionnement par fluide de maintien de la tuyère.
- la figure 1 est une vue schématique, en élévation, d'une torche selon l'invention ;
- les figures 2 et 3 sont des vues en coupe longitudinale, du support de torche et du corps de torche de la torche de la figure 1, respectivement ; et
Claims (12)
- Torche de coupage plasma, comportant:un support de torche (A) comportant un bloc (1) métallique avec une première série de passages de fluides (7, 8, 10, 4, 47, 50, 54) connectables à des circuits respectifs desdits fluides,et une première face d'appui (9);un ensemble unitaire de corps de torche (B) comprenant une électrode (28, 280) et une tuyère (36) et comportant une deuxième série de passages de fluides (25, 27, 38, 39, 42, 48, 49, 55, 56) et une deuxième face d'appui (21) ; etdes moyens d'assemblage (D) pour assembler rapidement l'ensemble unitaire de corps de torche au support de torche, avec les première et deuxième faces d'appui en appui axial l'une contre l'autre et avec les passages de la première série communiquant avec les passages respectifs de la deuxième série, caractérisée en ce que les moyens d'assemblage (D) sont du type à verrouillage rapide à cage à bille (45, 63, 65) et la cage (45) porte au moins une bille (63) destinée à coopérer, en position de blocage, avec une gorge annulaire (64) formée à la périphérie de l'extrémité avant cylindrique du bloc (1) et avec un verrou cylindrique coulissant (65), formant rampe, disposé dans une chambre de l'extrémité avant d'une enveloppe isolante (6) entourant le bloc (1) et sollicité en position de verrouillage par un ressort (66), le corps de torche B comportant un poussoir coulissant (67) permettant de reculer le verrou (65), à l'encontre du ressort (66), lors de la mise en place, par enfichage, et de l'extraction du corps de torche (B).
- Torche de coupage plasma, comportant:un support de torche (A) comportant une première série de passages de fluides (7, 8, 10, 4, 47, 50, 54) connectables à des circuits respectifs desdits fluides,et une première face d'appui (9);un ensemble unitaire de corps de torche (B) comprenant une électrode (28, 280) et une tuyère (36) et comportant une deuxième série de passages de fluides (25, 27, 38, 39, 42, 48, 49, 55, 56) et une deuxième face d'appui (21); etdes moyens d'assemblage (D) pour assembler rapidement l'ensemble unitaire de corps de torche au support de torche, avec les première et deuxième faces d'appui en appui axial l'une contre l'autre et avec les passages de la première série communiquant avec les passages respectifs de la deuxième série,
la première et la deuxième sériés de passages comportent chacune au moins un passage de fluide de refroidissement (7, 38 ; 47, 50, 48, 55),
le passage de refroidissement (47 ; 50) de la première série de passages comprenant au moins un clapet (61 ; 62) actionnable par la partie d'extrémité en saillie (58 ; 280) d'un passage de la deuxième série de passages. - Torche de coupage plasma, comportant:un support de torche (A) comportant une première série de passages de fluides (7, 8, 10, 4, 47, 50, 54) connectables à des circuits respectifs desdits fluides, et une première face d'appui (9) ;un ensemble unitaire de corps de torche (B) comprenant une électrode (28, 280) et une tuyère (36) et comportant une deuxième série de passages de fluides (25, 27, 38, 39, 42, 48, 49, 55, 56) et une deuxième face d'appui (21) ; etdes moyens d'assemblage (D) pour assembler rapidement l'ensemble unitaire de corps de torche au support de torche, avec les première et deuxième faces d'appui en appui axial l'une contre l'autre et avec les passages de la première série communiquant avec les passages respectifs de la deuxième série,
- Torche selon la revendication 1 ou 3, caractérisée en ce qu'au moins un des passages de fluide de la deuxième série comporte une partie d'extrémité (40, 58, 59) faisant saillie par rapport à la deuxième face d'appui (21) et destinée à être reçue dans un logement (3 ; 47, 54) du support de torche (A) définissant une partie d'un passage de la première série.
- Torche selon l'une des revendications 1 à 4, caractérisée en ce que la première et la deuxième séries de passages comportent chacune un passage de gaz plasmagène (4 ; 57).
- Torche selon l'une des revendication 1 ou 3, caractérisée en ce que la première et la deuxième séries de passages comportent chacune au moins un passage de fluide de refroidissement (7, 38 ; 47, 50, 48, 55).
- Torche selon l'une des revendications 1 or 2, caractérisée en ce que l'ensemble unitaire de corps de torche (B) comprend au moins un piston (24 ; 53) de déplacement de l'électrode (28, 280) par rapport à la tuyère (36), les première et deuxième séries de passages comportant chacune au moins un passage (10 ; 42 ; 54 ; 55, 56) de gaz d'actionnement du piston.
- Torche selon l'une des revendications précédentes, caractérisée en ce que l'ensemble unitaire de corps de torche (B) comprend un premier moyen à actionnement par fluide (26,15) de maintien déverrouillable de l'électrode (28).
- Torche selon l'une des revendications 1 à 8, caractérisée en ce que l'ensemble unitaire de corps de torche (B) comprend un deuxième moyen à actionnement par fluide (34, 15) de maintien déverrouillable de la tuyère (36).
- Torche selon la revendication 6, caractérisée en ce que le passage de refroidissement (47 ; 50) de la première série de passages comprend au moins un clapet (61 ; 62) actionnable par la partie d'extrémité en saillie (58 ; 280) d'un passage de la deuxième série de passages.
- Torche selon l'une des revendications 2 ou 3, caractérisée en ce que les moyens d'assemblage (D) comprennent un écrou (70).
- Torche selon l'une des revendications 2 ou 3, caractérisée en ce que les moyens d'assemblage (D) sont du type àverrouillage rapide à cage à bille (45, 63, 65).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9213955 | 1992-11-20 | ||
FR9213955A FR2698301B1 (fr) | 1992-11-20 | 1992-11-20 | Torche de coupage plasma. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0599709A1 EP0599709A1 (fr) | 1994-06-01 |
EP0599709B1 EP0599709B1 (fr) | 1997-06-04 |
EP0599709B2 true EP0599709B2 (fr) | 2005-04-06 |
Family
ID=9435735
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93402814A Expired - Lifetime EP0599709B2 (fr) | 1992-11-20 | 1993-11-19 | Torche de coupage plasma |
Country Status (7)
Country | Link |
---|---|
US (1) | US5409164A (fr) |
EP (1) | EP0599709B2 (fr) |
JP (1) | JPH06198450A (fr) |
AU (1) | AU671492B2 (fr) |
DE (1) | DE69311271T3 (fr) |
ES (1) | ES2102624T5 (fr) |
FR (1) | FR2698301B1 (fr) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5624586A (en) * | 1995-01-04 | 1997-04-29 | Hypertherm, Inc. | Alignment device and method for a plasma arc torch system |
KR100272916B1 (ko) * | 1995-01-31 | 2000-11-15 | 안자키 사토루 | 가공용 토치 |
IT241781Y1 (it) * | 1996-07-18 | 2001-05-17 | Trafimet Spa | Torcia per taglio al plasma con accensione senza alta frequenza condispositivi ad aria di raffreddamento dell'elettrodo migliorati. |
US5897795A (en) * | 1996-10-08 | 1999-04-27 | Hypertherm, Inc. | Integral spring consumables for plasma arc torch using blow forward contact starting system |
AT406243B (de) * | 1998-01-28 | 2000-03-27 | Inocon Technologie Gmbh | Gerät mit einem plasmaerzeuger |
EP0901867B1 (fr) * | 1998-10-22 | 2001-01-03 | La Soudure Autogene Francaise | Procédé et installation automatique de marquage par jet de plasma, notamment des métaux |
FR2803978A1 (fr) * | 2000-01-17 | 2001-07-20 | Air Liquide | Torche a plasma avec systeme d'identification de la tete, de l'electrode ou de la tuyere |
FR2807283B1 (fr) * | 2000-03-30 | 2002-10-11 | Soudure Autogene Francaise | Torche a plasma avec amorcage par contact entre l'electrode et la tuyere |
US6969819B1 (en) * | 2004-05-18 | 2005-11-29 | The Esab Group, Inc. | Plasma arc torch |
JP5432299B2 (ja) * | 2006-10-18 | 2014-03-05 | コマツ産機株式会社 | プラズマ切断装置およびプラズマトーチの冷却方法 |
FR2923977B1 (fr) | 2007-11-20 | 2010-03-26 | Air Liquide | Electrode en alliage d'argent pour torche a plasma. |
US8258423B2 (en) * | 2009-08-10 | 2012-09-04 | The Esab Group, Inc. | Retract start plasma torch with reversible coolant flow |
FR2949638B1 (fr) | 2009-09-03 | 2016-10-28 | Air Liquide | Bague flottante multifonction pour torche plasma |
FR2949697B1 (fr) | 2009-09-04 | 2012-01-13 | Air Liquide | Torche plasma a tete demontable avec bague a filetage trapezoidal |
FR2950218A1 (fr) * | 2009-09-11 | 2011-03-18 | Air Liquide Welding France | Torche a plasma a tete demontable a matrice interne metallique |
US9462670B2 (en) * | 2010-07-16 | 2016-10-04 | Hypertherm, Inc. | Diffuser shape vent slots in a hand torch shield castellation |
US8283594B2 (en) | 2010-08-09 | 2012-10-09 | The Esab Group, Inc. | System and method for supplying fluids to a plasma arc torch |
US20120031881A1 (en) * | 2010-08-09 | 2012-02-09 | The Esab Group, Inc. | Blow-Back Plasma Arc Torch With Shield Fluid-Cooled Electrode |
US11783138B2 (en) | 2012-04-04 | 2023-10-10 | Hypertherm, Inc. | Configuring signal devices in thermal processing systems |
US11278983B2 (en) | 2013-11-13 | 2022-03-22 | Hypertherm, Inc. | Consumable cartridge for a plasma arc cutting system |
US11684995B2 (en) | 2013-11-13 | 2023-06-27 | Hypertherm, Inc. | Cost effective cartridge for a plasma arc torch |
US9981335B2 (en) | 2013-11-13 | 2018-05-29 | Hypertherm, Inc. | Consumable cartridge for a plasma arc cutting system |
US11432393B2 (en) | 2013-11-13 | 2022-08-30 | Hypertherm, Inc. | Cost effective cartridge for a plasma arc torch |
US10456855B2 (en) | 2013-11-13 | 2019-10-29 | Hypertherm, Inc. | Consumable cartridge for a plasma arc cutting system |
DE102014009308A1 (de) * | 2014-06-26 | 2015-12-31 | Iht Automation Gmbh & Co. Kg | Schweiß- oder Schneidwerkzeug |
EP4040922A1 (fr) * | 2014-07-23 | 2022-08-10 | Hypertherm, Inc. | Configuration de dispositifs de signalisation dans des systèmes de traitement thermique |
AU2015301727B2 (en) * | 2014-08-12 | 2020-05-14 | Hypertherm, Inc. | Cost effective cartridge for a plasma arc torch |
BR112018002280B1 (pt) | 2015-08-04 | 2022-09-13 | Hypertherm, Inc | Cartucho para tocha de arco de plasma arrefecido por líquido |
EP3332615B1 (fr) | 2015-08-04 | 2022-04-13 | Hypertherm, Inc. | Systèmes de découpe à l'arc au plasma améliorés, consommables et procédés de fonctionnement |
FR3042430B1 (fr) | 2015-10-15 | 2017-12-08 | Air Liquide Welding France | Torche de soudage ou de coupage a l'arc electrique avec systeme d'assemblage rapide |
US10413991B2 (en) | 2015-12-29 | 2019-09-17 | Hypertherm, Inc. | Supplying pressurized gas to plasma arc torch consumables and related systems and methods |
US20210146468A1 (en) * | 2019-11-19 | 2021-05-20 | Hypertherm, Inc. | Systems and Methods for Separating Consumables Under Pressure in a Plasma Arc Torch |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4756686A (en) † | 1987-01-16 | 1988-07-12 | Wingaersheek Div. Of Victor Equipment Company | Torch handle with locking valve |
EP0326445A1 (fr) † | 1988-01-25 | 1989-08-02 | La Soudure Autogene Francaise | Torche et machine de travail à l'arc, et cartouche pour cette torche |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2960594A (en) * | 1958-06-30 | 1960-11-15 | Plasma Flame Corp | Plasma flame generator |
DE1565638A1 (de) * | 1967-06-12 | 1970-04-16 | Kjellberg Elektroden & Maschin | Plasmabrenner |
US4363443A (en) * | 1980-09-26 | 1982-12-14 | Eutectic Corporation | Gas-torch construction |
US4369919A (en) * | 1980-10-31 | 1983-01-25 | Npk Za Kontrolno Zavarachni Raboti | Plasma torch for processing metals in the air and under water |
US4389559A (en) * | 1981-01-28 | 1983-06-21 | Eutectic Corporation | Plasma-transferred-arc torch construction |
FR2527891A1 (fr) * | 1982-05-28 | 1983-12-02 | Innovations Sous Marines Et | Perfectionnement aux canons a plasma |
US4688722A (en) * | 1984-09-04 | 1987-08-25 | The Perkin-Elmer Corporation | Nozzle assembly for plasma spray gun |
US4919334A (en) * | 1989-01-19 | 1990-04-24 | Dynaquip Controls Corporation | Blow gun assembly |
-
1992
- 1992-11-20 FR FR9213955A patent/FR2698301B1/fr not_active Expired - Fee Related
-
1993
- 1993-11-16 JP JP5287040A patent/JPH06198450A/ja active Pending
- 1993-11-18 AU AU50758/93A patent/AU671492B2/en not_active Ceased
- 1993-11-19 DE DE69311271T patent/DE69311271T3/de not_active Expired - Lifetime
- 1993-11-19 ES ES93402814T patent/ES2102624T5/es not_active Expired - Lifetime
- 1993-11-19 EP EP93402814A patent/EP0599709B2/fr not_active Expired - Lifetime
- 1993-11-19 US US08/154,470 patent/US5409164A/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4756686A (en) † | 1987-01-16 | 1988-07-12 | Wingaersheek Div. Of Victor Equipment Company | Torch handle with locking valve |
EP0326445A1 (fr) † | 1988-01-25 | 1989-08-02 | La Soudure Autogene Francaise | Torche et machine de travail à l'arc, et cartouche pour cette torche |
Non-Patent Citations (1)
Title |
---|
No. 43 de la revue "Information Schweisstechnik", Mansfeld (RDA), table des matières et pages 12 à 15 † |
Also Published As
Publication number | Publication date |
---|---|
FR2698301A1 (fr) | 1994-05-27 |
FR2698301B1 (fr) | 1994-12-23 |
EP0599709A1 (fr) | 1994-06-01 |
DE69311271T3 (de) | 2005-12-29 |
DE69311271D1 (de) | 1997-07-10 |
EP0599709B1 (fr) | 1997-06-04 |
US5409164A (en) | 1995-04-25 |
ES2102624T5 (es) | 2005-10-16 |
DE69311271T2 (de) | 1997-10-30 |
AU5075893A (en) | 1994-06-02 |
JPH06198450A (ja) | 1994-07-19 |
ES2102624T3 (es) | 1997-08-01 |
AU671492B2 (en) | 1996-08-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0599709B2 (fr) | Torche de coupage plasma | |
EP0933981B1 (fr) | Ensemble tuyère/porte-tuyère pour torche à plasma | |
FR2626206A1 (fr) | Torche et machine de travail a l'arc, et cartouche pour cette torche | |
EP0591018B1 (fr) | Torche à plasma d'arc et procédé de mise en oeuvre | |
FR2903221A1 (fr) | Procede de fixation d'un element dans un appareil electrique et appareil electrique tel une ampoule a vide comportant au moins deux parties fixees suivant un tel procede | |
CA2029507C (fr) | Torche a plasma a amorcage par court-circuit | |
EP0923276B1 (fr) | Ensemble corps d'électrode/porte électrode pour torche plasma | |
EP0969239A1 (fr) | Coupe-circuit pour installation de manutention de fluide sous pression | |
FR2529288A1 (fr) | Dispositif d'electroaimant et son application a la commande de soupapes | |
EP0597057A1 (fr) | Tete d'usinage d'une machine de decoupage au jet d'eau et dispositif de visee destine a equiper une telle tete | |
EP0837274A1 (fr) | Agencement d'électrovanne pourvu d'un dispositif de fixation sur un support et bloc hydraulique équipé d'un tel agencement | |
EP3693654A1 (fr) | Dispositif de fourniture de fluide sous pression et ensemble de stockage(s) de fluide sous pression comprenant un tel dispositif | |
FR2633435A1 (fr) | Grappe de reglage a crayons demontables pour assemblage combustible nucleaire | |
EP0073168A2 (fr) | Torche pour coupage, soudage ou rechauffage | |
EP0072746B1 (fr) | Lance à main pour la pulvérisation d'un liquide de traitement des plantes | |
FR2803530A1 (fr) | Dispositif d'injection d'une dose de liquide notamment medicamenteux | |
EP0427590B1 (fr) | Torche à plasma pourvue d'une bobine électromagnétique de rotation de pieds d'arc | |
EP0750450B1 (fr) | Torche à plasme à structure générale sensiblement axi-symétrique | |
EP0682175A1 (fr) | Gicleur de refroidissement de piston pour moteur à combustion interne | |
EP0102907A2 (fr) | Chalumeau du type à allumage par étincelles | |
EP1338373B1 (fr) | Dispositif de réalisation d'un assemblage d'une queue de soupape et d'une coupelle | |
CH637761A5 (fr) | Ensemble constitue par un projectile et le dispositif de lancement de ce projectile. | |
FR2743847A1 (fr) | Gicleur de refroidissement a emmanchement | |
FR2560303A1 (fr) | Dispositif de fixation largable d'une charge par rapport a une structure | |
EP0348304A2 (fr) | Valve gaz de sécurité et de régulation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 19931124 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): BE CH DE ES GB IT LI NL |
|
17Q | First examination report despatched |
Effective date: 19960119 |
|
GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAH | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOS IGRA |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): BE CH DE ES GB IT LI NL |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REF | Corresponds to: |
Ref document number: 69311271 Country of ref document: DE Date of ref document: 19970710 |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) |
Effective date: 19970619 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2102624 Country of ref document: ES Kind code of ref document: T3 |
|
PLBQ | Unpublished change to opponent data |
Free format text: ORIGINAL CODE: EPIDOS OPPO |
|
PLBI | Opposition filed |
Free format text: ORIGINAL CODE: 0009260 |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
26 | Opposition filed |
Opponent name: HYPERTHERM, INC Effective date: 19980304 |
|
NLR1 | Nl: opposition has been filed with the epo |
Opponent name: HYPERTHERM, INC |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
PLBF | Reply of patent proprietor to notice(s) of opposition |
Free format text: ORIGINAL CODE: EPIDOS OBSO |
|
PLAW | Interlocutory decision in opposition |
Free format text: ORIGINAL CODE: EPIDOS IDOP |
|
APAC | Appeal dossier modified |
Free format text: ORIGINAL CODE: EPIDOS NOAPO |
|
APAE | Appeal reference modified |
Free format text: ORIGINAL CODE: EPIDOS REFNO |
|
APAC | Appeal dossier modified |
Free format text: ORIGINAL CODE: EPIDOS NOAPO |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20011022 Year of fee payment: 9 |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20021130 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20021130 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PLBQ | Unpublished change to opponent data |
Free format text: ORIGINAL CODE: EPIDOS OPPO |
|
PLAB | Opposition data, opponent's data or that of the opponent's representative modified |
Free format text: ORIGINAL CODE: 0009299OPPO |
|
R26 | Opposition filed (corrected) |
Opponent name: HYPERTHERM, INC Effective date: 19980304 |
|
NLR1 | Nl: opposition has been filed with the epo |
Opponent name: HYPERTHERM, INC |
|
APBU | Appeal procedure closed |
Free format text: ORIGINAL CODE: EPIDOSNNOA9O |
|
PUAH | Patent maintained in amended form |
Free format text: ORIGINAL CODE: 0009272 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: PATENT MAINTAINED AS AMENDED |
|
27A | Patent maintained in amended form |
Effective date: 20050406 |
|
AK | Designated contracting states |
Kind code of ref document: B2 Designated state(s): BE CH DE ES GB IT LI NL |
|
NLR2 | Nl: decision of opposition |
Effective date: 20050406 |
|
GBTA | Gb: translation of amended ep patent filed (gb section 77(6)(b)/1977) | ||
NLR3 | Nl: receipt of modified translations in the netherlands language after an opposition procedure | ||
APAH | Appeal reference modified |
Free format text: ORIGINAL CODE: EPIDOSCREFNO |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: DC2A Date of ref document: 20050620 Kind code of ref document: T5 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 20081017 Year of fee payment: 16 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 20081128 Year of fee payment: 16 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20081022 Year of fee payment: 16 |
|
BERE | Be: lapsed |
Owner name: *LA SOUDURE AUTOGENE FRANCAISE Effective date: 20091130 |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: V1 Effective date: 20100601 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20091119 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20100601 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20091130 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20091119 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20101119 Year of fee payment: 18 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20101126 Year of fee payment: 18 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20101126 Year of fee payment: 18 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20111119 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R119 Ref document number: 69311271 Country of ref document: DE Effective date: 20120601 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20130603 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20120601 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20111120 |