EP1174216B1 - Blasting machine - Google Patents

Blasting machine Download PDF

Info

Publication number
EP1174216B1
EP1174216B1 EP01116976A EP01116976A EP1174216B1 EP 1174216 B1 EP1174216 B1 EP 1174216B1 EP 01116976 A EP01116976 A EP 01116976A EP 01116976 A EP01116976 A EP 01116976A EP 1174216 B1 EP1174216 B1 EP 1174216B1
Authority
EP
European Patent Office
Prior art keywords
ice
machine according
pipe
crushing
water
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
Application number
EP01116976A
Other languages
German (de)
French (fr)
Other versions
EP1174216A3 (en
EP1174216A2 (en
Inventor
Jean-Pierre Serex
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
COLD CLEAN Sarl
Original Assignee
COLD CLEAN Sarl
Cold Clean Sarl
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by COLD CLEAN Sarl, Cold Clean Sarl filed Critical COLD CLEAN Sarl
Publication of EP1174216A2 publication Critical patent/EP1174216A2/en
Publication of EP1174216A3 publication Critical patent/EP1174216A3/en
Application granted granted Critical
Publication of EP1174216B1 publication Critical patent/EP1174216B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/003—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2

Definitions

  • the present invention relates to a sandblasting machine comprising at minus a sand tank, a pipe into which the sand is introduced mixed with pressurized air, a sandblasting nozzle, means for produce ice, these means being formed from a water supply and a pressurized gas supply, and a device for grinding the ice cream.
  • US Patent 4,924,643 relates to another device for processing parts in which the part to be treated is blown simultaneously particles of pellets and particles of carbon dioxide. This device is particularly intended for plastic parts or coated with plastic material.
  • European publication EP 0316 264 relates to a device for stripping and removal of surface layers in which ice particles are accelerated by a jet of water coming out of a pressure nozzle and transported with water. Additives prevent particles melt in the water jet.
  • sandblasting machines in which sand is mixed with ice before being ejected under pressure.
  • This ice is produced by introducing water into a pipe in which the sand circulates, then by introducing a gas such as CO 2 under high pressure into this pipe. The expansion of the gas produces a sudden lowering of the temperature and the freezing of the water.
  • sand ejection is often interrupted by the user. During periods of interruption, ice builds up in the hose until it is completely clogged. This stops the machine until the ice has completely melted or has been removed mechanically.
  • the present invention proposes to overcome these drawbacks by realizing a sandblasting machine in which the mixture of sand and ice is homogeneous and in which ice does not accumulate in the pipe.
  • the ice crushing device comprises a frame provided with an opening in contact with the inside of the pipe, and in that a conical piece is disposed in said opening.
  • said conical piece may include a large opening on the side of the tank and a small opening on the side of the nozzle.
  • the ice crushing device has at least two ice crushing elements. These elements of ice crushing are each advantageously formed of a rotary axis integral with grinding members.
  • the grinding members can be rods.
  • the grinding elements preferably include means for pivot around the axes.
  • These pivoting means include advantageously a wheel secured to each axle and a motor wheel drive.
  • the pipe may also have at least one air inlet between the exterior and the inside of the pipe, near the conical part.
  • the pipe has several inlets air distributed around its periphery.
  • the water supply advantageously comprises a water inlet and a heating element arranged to prevent water from freezing in the water supply.
  • the pipe may include a supply of coolant.
  • the machine 10 essentially comprises a sand tank 11, a pipe 12, a sandblasting nozzle 13 and a device for ice crushing 14.
  • sand and pressurized air are introduced from the tank 11 in the pipe 12 and are ejected by the sandblasting nozzle 13.
  • the ice grinding device 14 is arranged on the pipe. It has a frame 15 in which are housed grinding elements 16, which are at number of four in the example shown. Each grinding element 16 is formed of an axis 17 on which are fixed grinding members such as 18 rods or blades. The axes 17 and the rods 18 of all the elements 16 are arranged so that the rods of an element 16 are close to the rods of the adjacent elements.
  • the axes 17 of the grinding elements pass through the frame 15 and are integral each of a wheel such as a pulley 19 or a toothed wheel.
  • the pulleys are driven by a motor 20 so that the starting of the motor causes the rotation of the grinding elements and their rods.
  • the frame has a water inlet 21, disposed towards the top of the frame and an inlet 22 for gas such as CO 2 under pressure.
  • a heating body 28 is placed around the water inlet 21 and maintains this inlet at a temperature above zero degrees.
  • the frame has an opening 23 in contact with the interior of the pipe.
  • the interior of the pipe has a conical piece 24 having a large opening 25 on the side of the tank 11 and a small opening 26 on the side of the nozzle 13.
  • the pipe 12 also has several air inlets 27 arranged near the large opening 25 of the conical part. These air inlets connect the outside of the pipe to the outside of the conical part.
  • the pipe 12 can also include a supply 29 of coolant such as liquid CO 2 , disposed downstream of the grinding device 14. The function of this CO 2 is to keep the installations at a sufficiently low temperature, even when the grinding device is not used.
  • the machine according to the invention operates in the following manner. Sand and pressurized air are introduced from the reservoir 11 into the pipe 12. The sand and the air pass through the conical part 24 in the direction of the nozzle 13. Water is introduced into the frame 15 of the device grinding 14, at the top of it, by the water inlet 21. Pressurized gas is also introduced into this frame by the gas inlet 22. This gas can be CO 2 at a pressure of about 25 bars for example, or liquid nitrogen, or any other compound sufficiently refrigerant to cause freezing of the water. Upon arrival in the frame, the gas expands and causes cooling, which causes the water to freeze. The heater 28 keeps the area near the water inlet 21 at a temperature above zero degrees so that the water does not freeze in this area and the water inlet does not get clogged. In addition, when water is not injected into the grinding device, air is introduced therein via the water inlet 21 in order to prevent water from stagnating in this inlet.
  • the ice thus formed falls into the grinding device, towards the pipe.
  • This ice is crushed between the rods 18 which are rotated by through the motor 20, the pulleys 19 and the axes 17. In this way, the ice does not settle and the pieces of ice have a dimension less than the spacing of the rods.
  • the air inlets 27 entrain the ice falling in the pipe towards of the nozzle 13 and prevent it from depositing on the conical part 24.
  • the ice is then mixed with the sand in a particularly homogeneous way.
  • the mixture is then sprayed onto the support to be sanded.
  • the number of grinding elements can be variable, as can the number of rods and their spacing.
  • the rods 18 are shown as being vertical in FIG. 1. They could also be horizontal and rotate around vertical axes. It is also possible to inject a coolant such as CO 2 into the tank 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Disintegrating Or Milling (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Abstract

Air under pressure and sand travel from a sand reservoir (11) through a conical funnel (24) to an ejection nozzle (13). An ice crusher (14) receives water (21) through a heated entry (28) and refrigerant through a second entry (22). The ice is crushed by a series of motor driven (20) axles and bars (16,18) and delivered to the air/sand mixture through an aperture (23). Additional refrigerant is added (23) near the nozzle.

Description

La présente invention concerne une machine de sablage comportant au moins un réservoir de sable, un tuyau dans lequel est introduit le sable mélangé à de l'air sous pression, une buse de sablage, des moyens pour produire de la glace, ces moyens étant formés d'une alimentation en eau et d'une alimentation en gaz sous pression, et un dispositif de broyage de la glace.The present invention relates to a sandblasting machine comprising at minus a sand tank, a pipe into which the sand is introduced mixed with pressurized air, a sandblasting nozzle, means for produce ice, these means being formed from a water supply and a pressurized gas supply, and a device for grinding the ice cream.

II existe plusieurs types de machines de soufflage de particules destinées aux traitements de surfaces. La publication internationale WO 94 23896 concerne notamment un système de transport et de broyage de particules de glace agencé pour équiper un appareil du type tel que décrit dans la publication WO 94 1686 qui est destiné au traitement de surfaces par soufflage de particules de glace. Dans ces appareils, le broyage de la glace se fait entre deux rouleaux et l'on peut régler la taille des particules et le débit de ces particules en fonction de la surface à traiter.There are several types of particle blowing machines intended for surface treatments. International publication WO 94 23896 concerns in particular a system for transporting and crushing ice particles arranged to equip an apparatus of the type as described in the publication WO 94 1686 which is intended for surface treatment by blowing particles of ice. In these devices, the crushing of the ice is done between two rollers and you can adjust the particle size and the flow rate of these particles depending on the surface to be treated.

Le brevet US 4 924 643 a pour objet un autre dispositif de traitement de pièces dans lequel l'on souffle simultanément sur la pièce à traiter des particules de grenailles et des particules de gaz carbonique. Ce dispositif est particulièrement destiné aux pièces en matière plastique ou revêtues d'une matière plastique.US Patent 4,924,643 relates to another device for processing parts in which the part to be treated is blown simultaneously particles of pellets and particles of carbon dioxide. This device is particularly intended for plastic parts or coated with plastic material.

La publication européenne EP 0316 264 concerne un dispositif de dévernissage et d'enlèvement de couches de surface dans lequel des particules de glace sont accélérées au moyen d'un jet d'eau sortant d'une tuyère sous pression et transportées avec de l'eau. Des additifs empêchent la fusion des particules dans le jet d'eau.European publication EP 0316 264 relates to a device for stripping and removal of surface layers in which ice particles are accelerated by a jet of water coming out of a pressure nozzle and transported with water. Additives prevent particles melt in the water jet.

Il existe également des machines de sablage dans lesquels du sable est mélangé à de la glace avant d'être éjecté sous pression. Cette glace est produite en introduisant de l'eau dans un tuyau dans lequel circule le sable, puis en introduisant un gaz tel que du CO2 sous une forte pression dans ce tuyau. La détente du gaz produit un brusque abaissement de la température et la congélation de l'eau.There are also sandblasting machines in which sand is mixed with ice before being ejected under pressure. This ice is produced by introducing water into a pipe in which the sand circulates, then by introducing a gas such as CO 2 under high pressure into this pipe. The expansion of the gas produces a sudden lowering of the temperature and the freezing of the water.

Lors de l'utilisation de machines de sablage, l'éjection du sable est souvent interrompue par l'utilisateur. Pendant les périodes d'interruption, de la glace s'accumule dans le tuyau jusqu'à ce que celui-ci soit complètement bouché. Ceci immobilise la machine jusqu'à ce que la glace ait complètement fondu ou ait été retirée mécaniquement.When using sandblasting machines, sand ejection is often interrupted by the user. During periods of interruption, ice builds up in the hose until it is completely clogged. This stops the machine until the ice has completely melted or has been removed mechanically.

En outre, avant que le tuyau ne soit complètement bouché, il arrive fréquemment que des blocs de glace se détachent sous l'action du sable circulant dans le tuyau. Ces blocs de glace fondent lorsqu'ils ont été éjectés et mouillent le support ou son environnement, ce qui n'est pas souhaitable dans certaines applications.Also, before the hose is completely blocked, it happens Frequently blocks of ice break off under the action of sand flowing through the pipe. These ice blocks melt when they have been ejected and wet the support or its environment, which is not desirable in some applications.

Finalement, le mélange de sable et de glace n'est pas homogène. Il arrive donc fréquemment que du sable soit éjecté sans glace ou de la glace sans sable, ce qui diminue l'intérêt du procédé.Finally, the mixture of sand and ice is not homogeneous. He is coming so frequently sand is ejected without ice or ice without sand, which reduces the interest of the process.

La présente invention se propose de pallier ces inconvénients en réalisant une machine de sablage dans laquelle le mélange de sable et de glace est homogène et dans laquelle de la glace ne s'accumule pas dans le tuyau.The present invention proposes to overcome these drawbacks by realizing a sandblasting machine in which the mixture of sand and ice is homogeneous and in which ice does not accumulate in the pipe.

Ces buts sont atteints par une machine telle que définie en préambule et caractérisée en ce que le dispositif de broyage de glace comporte un bâti pourvu d'une ouverture en contact avec l'intérieur du tuyau, et en ce qu'une pièce conique est disposée dans ladite ouverture. These goals are achieved by a machine as defined in the preamble and characterized in that the ice crushing device comprises a frame provided with an opening in contact with the inside of the pipe, and in that a conical piece is disposed in said opening.

Selon un mode de réalisation préféré, ladite pièce conique peut comporter une grande ouverture du côté du réservoir et une petite ouverture du côté de la buse.According to a preferred embodiment, said conical piece may include a large opening on the side of the tank and a small opening on the side of the nozzle.

Selon une forme de réalisation préférée, le dispositif de broyage de glace comporte au moins deux éléments de broyage de la glace. Ces éléments de broyage de la glace sont chacun avantageusement formés d'un axe rotatif solidaire d'organes de broyage. Les organes de broyage peuvent être des tiges.According to a preferred embodiment, the ice crushing device has at least two ice crushing elements. These elements of ice crushing are each advantageously formed of a rotary axis integral with grinding members. The grinding members can be rods.

Les éléments de broyage comportent de préférence des moyens de pivotement autour des axes. Ces moyens de pivotement comportent avantageusement une roue solidaire de chaque axe et un moteur d'entraínement des roues.The grinding elements preferably include means for pivot around the axes. These pivoting means include advantageously a wheel secured to each axle and a motor wheel drive.

Le tuyau peut également comporter au moins une entrée d'air entre l'extérieur et l'intérieur du tuyau, à proximité de la pièce conique.The pipe may also have at least one air inlet between the exterior and the inside of the pipe, near the conical part.

Dans un mode de réalisation préféré, le tuyau comporte plusieurs entrées d'air réparties sur sa périphérie. L'alimentation en eau comporte avantageusement une arrivée d'eau et un corps de chauffe agencé pour empêcher l'eau de geler dans l'arrivée d'eau.In a preferred embodiment, the pipe has several inlets air distributed around its periphery. The water supply advantageously comprises a water inlet and a heating element arranged to prevent water from freezing in the water supply.

Le tuyau peut comporter une alimentation en fluide réfrigérant.The pipe may include a supply of coolant.

La présente invention et ses avantages seront mieux compris en référence à la description d'un mode de réalisation de l'invention et des dessins annexés dans lesquels:

  • la figure 1 est une vue schématique partielle en coupe d'une machine de sablage selon l'invention, et
  • la figure 2 est une vue de face d'un détail de la machine de la figure 1.
The present invention and its advantages will be better understood with reference to the description of an embodiment of the invention and the accompanying drawings in which:
  • FIG. 1 is a partial schematic view in section of a sandblasting machine according to the invention, and
  • FIG. 2 is a front view of a detail of the machine in FIG. 1.

En référence à ces figures, la machine 10 comporte essentiellement un réservoir 11 de sable, un tuyau 12, une buse de sablage 13 et un dispositif de broyage de glace 14.With reference to these figures, the machine 10 essentially comprises a sand tank 11, a pipe 12, a sandblasting nozzle 13 and a device for ice crushing 14.

De façon conventionnelle, du sable et de l'air sous pression sont introduits depuis le réservoir 11 dans le tuyau 12 et sont éjectés par la buse de sablage 13.Conventionally, sand and pressurized air are introduced from the tank 11 in the pipe 12 and are ejected by the sandblasting nozzle 13.

Le dispositif de broyage de glace 14 est disposé sur le tuyau. Il comporte un bâti 15 dans lequel sont logés des éléments de broyage 16, qui sont au nombre de quatre dans l'exemple illustré. Chaque élément de broyage 16 est formé d'un axe 17 sur lequel sont fixés des organes de broyage tels que des tiges 18 ou des pales. Les axes 17 et les tiges 18 de l'ensemble des éléments de broyage 16 sont disposés de telle façon que les tiges d'un élément 16 soient proches des tiges des éléments adjacents. The ice grinding device 14 is arranged on the pipe. It has a frame 15 in which are housed grinding elements 16, which are at number of four in the example shown. Each grinding element 16 is formed of an axis 17 on which are fixed grinding members such as 18 rods or blades. The axes 17 and the rods 18 of all the elements 16 are arranged so that the rods of an element 16 are close to the rods of the adjacent elements.

Les axes 17 des éléments de broyage traversent le bâti 15 et sont solidaires chacun d'une roue telle qu'une poulie 19 ou une roue dentée. Les poulies sont entraínées par un moteur 20 de sorte que la mise en marche du moteur entraíne la rotation des éléments de broyage et de leurs tiges.The axes 17 of the grinding elements pass through the frame 15 and are integral each of a wheel such as a pulley 19 or a toothed wheel. The pulleys are driven by a motor 20 so that the starting of the motor causes the rotation of the grinding elements and their rods.

Le bâti comporte une arrivée d'eau 21, disposée vers le haut du bâti et une arrivée 22 de gaz tel que du CO2 sous pression. Un corps de chauffe 28 est placé autour de l'arrivée d'eau 21 et maintient cette arrivée à une température supérieure à zéro degrés.The frame has a water inlet 21, disposed towards the top of the frame and an inlet 22 for gas such as CO 2 under pressure. A heating body 28 is placed around the water inlet 21 and maintains this inlet at a temperature above zero degrees.

Le bâti comporte une ouverture 23 en contact avec l'intérieur du tuyau. L'intérieur du tuyau comporte une pièce conique 24 ayant une grande ouverture 25 du côté du réservoir 11 et une petite ouverture 26 du côté de la buse 13.The frame has an opening 23 in contact with the interior of the pipe. The interior of the pipe has a conical piece 24 having a large opening 25 on the side of the tank 11 and a small opening 26 on the side of the nozzle 13.

Le tuyau 12 comporte également plusieurs entrées d'air 27 disposées à proximité de la grande ouverture 25 de la pièce conique. Ces entrées d'air relient l'extérieur du tuyau à la face extérieure de la pièce conique. Le tuyau 12 peut également comporter une alimentation 29 en fluide réfrigérant tel que du CO2 liquide, disposée en aval du dispositif de broyage 14. Ce CO2 a pour fonction de maintenir les installations à une température suffisamment basse, même lorsque le dispositif de broyage n'est pas utilisé.The pipe 12 also has several air inlets 27 arranged near the large opening 25 of the conical part. These air inlets connect the outside of the pipe to the outside of the conical part. The pipe 12 can also include a supply 29 of coolant such as liquid CO 2 , disposed downstream of the grinding device 14. The function of this CO 2 is to keep the installations at a sufficiently low temperature, even when the grinding device is not used.

La machine selon l'invention fonctionne de la manière suivante. Du sable et de l'air sous pression sont introduits depuis le réservoir 11 dans le tuyau 12. Le sable et l'air traversent la pièce conique 24 en direction de la buse 13. De l'eau est introduite dans le bâti 15 du dispositif de broyage 14, en haut de celui-ci, par l'arrivée d'eau 21. Du gaz sous pression est également introduit dans ce bâti par l'arrivée de gaz 22. Ce gaz peut être du CO2 à une pression d'environ 25 bars par exemple, ou de l'azote liquide, ou tout autre composé suffisamment réfrigérant pour provoquer une congélation de l'eau. A son arrivée dans le bâti, le gaz se détend et provoque un refroidissement, ce qui entraíne la congélation de l'eau. Le corps de chauffe 28 maintient la zone proche de l'arrivée d'eau 21 à une température supérieure à zéro degré de sorte que l'eau ne gèle pas dans cette zone et que l'arrivée d'eau ne se bouche pas. De plus, lorsque l'eau n'est pas injectée dans le dispositif de broyage, de l'air y est introduit par l'arrivée d'eau 21 afin d'empêcher que de l'eau ne stagne dans cette arrivée.The machine according to the invention operates in the following manner. Sand and pressurized air are introduced from the reservoir 11 into the pipe 12. The sand and the air pass through the conical part 24 in the direction of the nozzle 13. Water is introduced into the frame 15 of the device grinding 14, at the top of it, by the water inlet 21. Pressurized gas is also introduced into this frame by the gas inlet 22. This gas can be CO 2 at a pressure of about 25 bars for example, or liquid nitrogen, or any other compound sufficiently refrigerant to cause freezing of the water. Upon arrival in the frame, the gas expands and causes cooling, which causes the water to freeze. The heater 28 keeps the area near the water inlet 21 at a temperature above zero degrees so that the water does not freeze in this area and the water inlet does not get clogged. In addition, when water is not injected into the grinding device, air is introduced therein via the water inlet 21 in order to prevent water from stagnating in this inlet.

La glace qui se forme ainsi tombe dans le dispositif de broyage, vers le tuyau. Cette glace est broyée entre les tiges 18 qui sont mises en rotation par l'intermédiaire du moteur 20, des poulies 19 et des axes 17. De cette façon, la glace ne se dépose pas et les morceaux de glace ont une dimension inférieure à l'écartement des tiges.The ice thus formed falls into the grinding device, towards the pipe. This ice is crushed between the rods 18 which are rotated by through the motor 20, the pulleys 19 and the axes 17. In this way, the ice does not settle and the pieces of ice have a dimension less than the spacing of the rods.

Les entrées d'air 27 entraínent la glace qui tombe dans le tuyau en direction de la buse 13 et empêchent qu'elle ne se dépose sur la pièce conique 24. La glace est alors mélangée au sable de façon particulièrement homogène. Le mélange est alors projeté sur le support à sabler.The air inlets 27 entrain the ice falling in the pipe towards of the nozzle 13 and prevent it from depositing on the conical part 24. The ice is then mixed with the sand in a particularly homogeneous way. The mixture is then sprayed onto the support to be sanded.

Du fait de leur dimension particulièrement faible, les particules de glace se subliment lorsqu'elles entrent en contact avec le support. Ainsi, le support ou son environnement ne sont pas du tout mouillés ou que très légèrement mouillés.Due to their particularly small size, the ice particles sublime when they come into contact with the support. So the support or its environment is not wet at all or only very slightly wet.

Il est évident que le nombre d'éléments de broyage peut être variable, de même que le nombre de tiges et leur écartement. Les tiges 18 sont représentées comme étant verticales sur la figure 1. Elles pourraient également être horizontales et tourner autour d'axes verticaux. Il est également possible d'injecter un fluide réfrigérant tel que du CO2 dans le réservoir 11.It is obvious that the number of grinding elements can be variable, as can the number of rods and their spacing. The rods 18 are shown as being vertical in FIG. 1. They could also be horizontal and rotate around vertical axes. It is also possible to inject a coolant such as CO 2 into the tank 11.

Claims (11)

  1. Sand blasting machine comprising at least one sand reservoir (11), a pipe (12) into which sand mixed with air under pressure is introduced, a blast nozzle (13), means for producing ice, these means being formed with a feed for water and a feed for gas under pressure, and a device for crushing the ice (14), characterised in that the device for crushing the ice (14) comprises a frame (15) provided with a large opening (23) in contact with the interior of the pipe (12), and in that a conical piece (24) is arranged in the said opening (23).
  2. Machine according to claim 1, characterised in that the conical piece (24) has a large opening (25) on the side of the reservoir (11) and a small opening (26) on the side of the blast nozzle (13).
  3. Machine according to claim 1, characterised in that the device for crushing ice (14) has at least two components (16) for crushing the ice.
  4. Machine according to claim 3, characterised in that the components (16) for crushing the ice are each formed with a rotatable axle (17) integral with crushing members.
  5. Machine according to claim 4, characterised in that the crushing members are rods (18).
  6. Machine according to claim 4, characterised in that the crushing members (16) comprise means pivoting about the axles (17).
  7. Machine according to claim 6, characterised in that the pivoting means comprise a wheel (19) integral with each axle (17), and a motor (20) driving the wheels.
  8. Machine according to claim 1, characterised in that the pipe (12) has at least one air intake (27) between the exterior and the interior of the pipe, adjacent to the conical piece (24).
  9. Machine according to claim 8, characterised in that the pipe (12) has several air intakes (27) distributed round its periphery.
  10. Machine according to claim 1, characterised in that the feed for water comprises a water intake (21) and a heating body (28) arranged to prevent freezing of the water in the water intake.
  11. Machine according to claim 1, characterised in that the pipe (12) has a feed (29) for refrigerant fluid.
EP01116976A 2000-07-17 2001-07-12 Blasting machine Expired - Lifetime EP1174216B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH14082000 2000-07-17
CH01408/00A CH694158A5 (en) 2000-07-17 2000-07-17 Blasting machine.

Publications (3)

Publication Number Publication Date
EP1174216A2 EP1174216A2 (en) 2002-01-23
EP1174216A3 EP1174216A3 (en) 2002-12-11
EP1174216B1 true EP1174216B1 (en) 2004-09-29

Family

ID=4565453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01116976A Expired - Lifetime EP1174216B1 (en) 2000-07-17 2001-07-12 Blasting machine

Country Status (4)

Country Link
EP (1) EP1174216B1 (en)
AT (1) ATE277718T1 (en)
CH (1) CH694158A5 (en)
DE (1) DE60105908T8 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010020618B4 (en) 2009-05-26 2014-05-28 Jürgen von der Ohe Process for the production of CO2 pellets or of CO2 particles with increased mechanical hardness and abrasiveness

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3844649C2 (en) * 1987-06-23 1992-04-23 Taiyo Sanso Co. Ltd., Osaka, Jp
DE3738246A1 (en) * 1987-11-11 1989-05-24 Werner & Zeisse Gmbh & Co METHOD AND DEVICE FOR REMOVING COATINGS AND IMPURITIES
FR2627121B1 (en) * 1988-02-12 1994-07-01 Carboxyque Francaise METHOD, INSTALLATION AND SPRAY NOZZLE FOR THE TREATMENT OF TRAPS BY BLASTING BLAST
FR2630668B1 (en) * 1988-04-28 1990-11-16 Commissariat Energie Atomique METHOD AND DEVICE FOR MANUFACTURING ICE BALLS AND APPLICATION TO SPRAYING THESE ICE BALLS FOR SURFACE TREATMENTS
CA2113291A1 (en) * 1993-01-26 1994-07-27 William D. Fraresso Apparatus for real time ice supply to ice blasting system
WO1994023896A1 (en) * 1993-04-16 1994-10-27 Ice Blast International, Inc. Ice blast particle transport system for ice fracturing system
JP2632141B2 (en) * 1995-06-23 1997-07-23 ショーボンド建設株式会社 Cleaning method

Also Published As

Publication number Publication date
CH694158A5 (en) 2004-08-13
ATE277718T1 (en) 2004-10-15
EP1174216A3 (en) 2002-12-11
DE60105908T2 (en) 2006-02-09
DE60105908T8 (en) 2006-04-27
EP1174216A2 (en) 2002-01-23
DE60105908D1 (en) 2004-11-04

Similar Documents

Publication Publication Date Title
EP2845651B1 (en) Machine for treating the side surface of items, especially glass items
EP2901853B1 (en) Distributing machine with an improved opening
KR20180137183A (en) Device for cleaning selective catalytic reduction
DE202005021912U1 (en) abrading
EP1174216B1 (en) Blasting machine
EP0714241B1 (en) Device for continuously washing products, especially plant products
EP3812051A1 (en) Method and device for separating hemp trichomes
FR2859074A1 (en) Grape stalk separator and grape extractor comprises chamber with blades on rotating shaft with lengthwise opening in lower part over conveyor
WO2006063962A1 (en) Method for removing straw from agriculture products and a straw removing device for carrying out said method
FR2644987A1 (en) Method and device for peeling sugar-cane stems
CA3193252A1 (en) Apparatus with drum for separating packagings and material adhering thereto, with improved environmental impact
FR2591520A1 (en) METHOD AND APPARATUS FOR MECHANICAL PROCESSING OF PARTS
FR2885769A1 (en) Cheese treating machine comprises conveyor belts that are operated at different speeds to turn the cheese on themselves, and two brushes in which one is to brush the cheese face and other is to brush heel of the cheese
WO1994022602A1 (en) Method and apparatus for removing labels from plastic containers
FR2750898A1 (en) Decontamination of surfaces using high pressure liquid
FR2481617A1 (en) Heavy item sorting equipment - has flexible plates in rows on drum generating air current acting on continuous flow of material
FR2576480A1 (en) HARVESTER-LOADER-LOADER FOR MAIZE FEED
FR3066416A1 (en) JET CLEANING MACHINE COMPRISING AN APPLICATION LANCE EQUIPPED WITH AN IMPROVED LEMON TIP
FR2847493A1 (en) Method for sorting iron bars into short and long products comprises transporting bars aligned on conveyor and placing downstream of conveyor device ensuring continuity of progress of long products delivered by conveyor
BE1013310A5 (en) Cryogenic tunnel.
WO1998046355A1 (en) Device form moving forward the substance in a knife hog
FR2747539A1 (en) APPARATUS FOR SEPARATING SOFT AND HARD GASTEROPOD-TYPE SHELLS AND SEPARATION INSTALLATION USING SUCH AN APPARATUS
FR2677991A1 (en) PROCESS FOR PREPARING SOLID ABRASIVES FROM LIQUID SUBSTANCES
FR2668030A1 (en) Apparatus for treating vines, particularly against botrytis
FR2526679A1 (en) IMPROVEMENTS TO JET CRUSHERS

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

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 20030604

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

17Q First examination report despatched

Effective date: 20031013

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040929

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040929

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040929

Ref country code: GB

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040929

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20040929

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

BECA Be: change of holder's address

Owner name: *COLD CLEAN S.A.R.L.ROUTE DE COSSONAY, CH-1315 LA

Effective date: 20040929

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: FRENCH

REF Corresponds to:

Ref document number: 60105908

Country of ref document: DE

Date of ref document: 20041104

Kind code of ref document: P

REG Reference to a national code

Ref country code: CH

Ref legal event code: PFA

Owner name: COLD CLEAN S.A.R.L.

Free format text: COLD CLEAN S.A.R.L.#30, RUE DU CHENE#1315 LA SARRAZ (CH) -TRANSFER TO- COLD CLEAN S.A.R.L.#ROUTE DE COSSONAY#1315 LA SARRAZ (CH)

Ref country code: CH

Ref legal event code: NV

Representative=s name: CABINET ROLAND NITHARDT CONSEILS EN PROPRIETE INDU

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041229

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041229

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041229

RAP2 Party data changed (patent owner data changed or rights of a patent transferred)

Owner name: COLD CLEAN S.AE.R.L.

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050109

NLT2 Nl: modifications (of names), taken from the european patent patent bulletin

Owner name: COLD CLEAN S.A.R.L.

REG Reference to a national code

Ref country code: IE

Ref legal event code: FD4D

GBV Gb: ep patent (uk) treated as always having been void in accordance with gb section 77(7)/1977 [no translation filed]

Effective date: 20040929

REG Reference to a national code

Ref country code: FR

Ref legal event code: CA

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050712

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20050712

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050731

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20050630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050228

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20090720

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20090710

Year of fee payment: 9

Ref country code: NL

Payment date: 20090731

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20091020

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20090707

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20090723

Year of fee payment: 9

BERE Be: lapsed

Owner name: *COLD CLEAN S.A.R.L.

Effective date: 20100731

REG Reference to a national code

Ref country code: NL

Ref legal event code: V1

Effective date: 20110201

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20110331

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: 20110201

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100731

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100731

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 60105908

Country of ref document: DE

Effective date: 20110201

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: 20100712

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100802

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110201

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100731