EP3083141A1 - Enceinte de protection d'un outil mobile de distribution de fluide a temperature cryogenique - Google Patents
Enceinte de protection d'un outil mobile de distribution de fluide a temperature cryogeniqueInfo
- Publication number
- EP3083141A1 EP3083141A1 EP14830812.5A EP14830812A EP3083141A1 EP 3083141 A1 EP3083141 A1 EP 3083141A1 EP 14830812 A EP14830812 A EP 14830812A EP 3083141 A1 EP3083141 A1 EP 3083141A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bristles
- flap
- enclosure
- tool
- enclosure according
- 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.)
- Withdrawn
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
Definitions
- the invention relates to a protective enclosure of a mobile fluid dispensing tool at cryogenic temperature.
- This mobile tool protection enclosure is part of a pickling, peeling, surface treatment of coated or uncoated materials, such as metals, concrete, wood, polymers, plastics or any other type of material, by jet of fluid at cryogenic temperature at very high pressure.
- the surface treatment of coated or uncoated materials is essentially by sandblasting, by ultra-high pressure water spraying (UHP), by sander, jackhammer, bush-hammer or chemically.
- UHP ultra-high pressure water spraying
- cryogenic jets under very high pressure as proposed by US-A-7,310,955 and US-A-7, 316,363.
- one or more jets of liquid nitrogen are used at a pressure of 1000 to 4000 bars and at cryogenic temperature (for example between -100 and -200 ° C., typically between about -125 and -160 ° C.) which are dispensed by a nozzle-holder tool (s) which is set in motion, typically with a rotational or oscillatory movement.
- the nitrogen gas (passage of the liquid to gaseous state at the nozzle outlet) delivered by the nozzles if released or released in the room where takes place surface treatment, creates risks of anoxia for the operator especially if it accumulates there and if the room is badly or not ventilated.
- a protective enclosure called suction bell is generally arranged around (or) the mobile fluid distribution tool, ie the surface treatment tool from which the jet comes out liquid nitrogen, said bell being generally equipped with a flap, preferably flexible, serving to provide a mechanical barrier function and contact between the suction bell and the surface to be treated.
- This flap can be provided or formed of one or more rows of flexible bristles, an elastic band (for example rubber, leather, elastomer ...), one or more foam pads ...
- This suction bell makes it possible to achieve a partial seal between the tool and the surface to be treated and makes it possible to suck up all or part of the nitrogen delivered by the nozzles, as well as the residues produced during the surface treatment.
- the suction system used must be in a vacuum to avoid the release of nitrogen in the room / workplace and can suck effectively surface residues.
- the nitrogen ejected by the tool nozzle holder and the dust and waste, such as pieces of concrete or the like, are sucked by the suction bell.
- the suction capacity must be greater than the nitrogen flow at the tool. Thus, outside air is also sucked.
- the ambient air sucked contains moisture, that is to say water vapor, which is introduced into the suction system.
- moisture sucked is a major problem. Indeed, the moisture is adsorbed on the flap, especially on the bristles or the like, and then turns into ice in contact with the low temperatures to which the bell is subjected. This can be very inconvenient for manipulations.
- the constituent elements of the bib, such bristles by their flexibility, normally have to ensure a role fundamental contact area between the suction bell and the surface to be treated. However, if these elements become en masse and become hard, the contact between the bell and the substrate becomes very bad because very little "tight".
- each jet of liquid nitrogen explodes the concrete surface and propels the constituents of the concrete in all directions. These concrete particles then strike the inside of the suction bell and the flap, thus causing more or less rapid wear of the latter depending on the materials of the flap.
- the choice of these materials is critical in order to have a lifetime of the flap which is sufficiently large and compatible with an industrial operation.
- One way to limit or even eliminate the setting of mass of ice on the constituent elements of the flap, such as brushes and bristles, is to prevent the arrival of naturally charged outdoor air in moisture by resorting to a jacketed suction bell associated with the supply of a dry gas, nitrogen, for example.
- a jacketed suction bell associated with the supply of a dry gas, nitrogen for example.
- This first solution has the drawbacks of requiring the addition of a gas in a contaminated zone, which is difficult to implement, and moreover, to oversize the suction bell for dry gas which generates additional costs .
- a second solution to limit or even prevent the formation of ice brushes is the addition of a heat source, an electric resistance or heating blanket for example, near the flap to counter the supply of frigories from the jet of liquid nitrogen.
- one aspect of the invention relates to a protective enclosure of a mobile fluid dispensing tool at cryogenic temperature, said protective enclosure having an open end forming a suction bell, said end open end comprising a flap, characterized in that the flap comprises a first portion made of a first hydrophobic material.
- hydrophobic material makes it possible to limit or even eliminate the setting in mass of ice on the constituent elements of the first part of the flap during operation at cryogenic temperature. This solution has the advantage of being simple to implement; indeed, it does not require any additional element.
- hydrophobic material is meant a material that repels water or is repelled by water.
- the flap may be provided or formed of one or more rows of flexible bristles and / or an elastic band, and / or one or more foam flanges etc.
- the enclosure according to the invention may have one or more additional characteristics among the following, considered individually or according to the technically possible combinations:
- the first material has a water absorption of less than 4% according to the humidity absorption protocol in a standardized climate of 23 ° C / 50% of the international standard DIN EN ISO 62.
- the first material has a moisture absorption less than 2% according to the humidity absorption protocol in a 23 ° C / 50% standard climate of the international standard DIN EN ISO 62.
- the synthetic materials are advantageously chosen because of their hydrophobic properties superior to materials of natural origin.
- the first hydrophobic material may also be chosen according to the moisture absorption protocol in storage in the water of the international standard DIN EN ISO 62. In this case, the first hydrophobic material has a moisture absorption of less than 9%, and particularly advantageously 5%, according to the moisture absorption protocol in storage in water the international standard DIN EN ISO 62;
- the flap comprises a second portion made of a second material resistant to abrasion.
- a second abrasion-resistant material makes it possible to increase the service life of the flap when operating the protective enclosure in an industrial manner.
- each jet of cryogenic temperature fluid distributed over a surface to be treated ie to be peeled for example, explodes the surface to be treated and propels the constituent materials in all directions. These materials then come to hit the inside of the protective enclosure, called suction bell, and the flap. This has the effect of gradually using the components of the flap.
- the abrasion resistance of a material can be quantified in different ways. For example, it can be quantified by the speed of wear of said material, which speed can be expressed in mm 3 / N / m, or in cm 3 / cm / kg.
- the first part is located at an outer peripheral zone of the flap and the second part is located at an inner peripheral zone of the flap.
- the external moisture must be blocked by the portion located at the outer peripheral zone of the flap while the particles generated inside the bell must be confined there by being blocked by the second part positioned at the inner peripheral area of the bib.
- the first and the second part may be one and the same and in this case be made of both abrasion-resistant and hydrophobic materials.
- the first and second materials can be one and the same material;
- the first material and the second material are chosen from the following materials:
- PBT polybutylene terephthalate
- PEEK polyetheretherketone
- the first part comprises bristles, said bristles being made in the first hydrophobic material.
- the hairs of the first part may be grouped into bundles of hairs;
- the second part comprises bristles, said bristles being made in the second material resistant to abrasion.
- the hairs of the second part may be grouped into bundles of hairs;
- the length of the hairs of the first part is greater than the length of the hairs of the second part.
- Such a configuration of the flap improves the seal between the mobile fluid dispensing tool and the surface to be treated. Indeed, this configuration makes it possible to collect at least 95%, and up to 98%, of the quantity of material treated from the surface to be treated by the tool while a bib composed of a single length of bristles reaches a maximum of efficiency of only 90%.
- This double barrier of hair advantageously constitutes a double containment barrier.
- the first portion having bristles and located at the outer peripheral zone of the flap constitutes a first containment barrier.
- the bristles of the first and second parts may be made of a material of the same nature, or of a different nature;
- the bristles of the first part and / or second part have a diameter of between 0.2 mm and 0.5 mm. This range of value ensures sufficient flexibility to the hairs of the flap;
- the bristles of the first part are arranged in three rows of concentric bristles and / or the bristles of the second part are arranged in three rows of concentric bristles.
- the bristles of two adjacent rows are staggered;
- the open end of said enclosure has a conical or pyramidal section.
- a conical or pyramidal section advantageously makes it possible to ensure a Venturi effect at the open end of the suction bell in order to avoid the formation of a dead zone and the accumulation of debruised materials (rubble, dust) in an area of the protective enclosure.
- a dead zone would be a zone not traversed by a flow of the distributed fluid.
- the invention also relates to a method for defining the length of the bristles of a flange of a protective enclosure of a mobile fluid dispensing tool according to one of the previously described embodiments, said tool comprising at least one fluid dispensing nozzle, said flap having a first portion having bristles and a second portion having bristles, the first portion being located at a zone external device of the flap, the second part being located at an inner peripheral area of the flap, said method comprising:
- a step of defining a firing distance said firing distance corresponding to the distance between a distal end of the fluid distribution nozzle and a surface to be treated by the moving tool; a step of defining a depth of pass, said depth of pass corresponding to the depth of material to be removed by the treatment of the surface to be treated;
- a step of defining a first length of bristles of the first part said first length being adapted so that the distance between the distal end of the fluid dispensing nozzle and a distal end of the bristles of the first part is equal to the sum of the firing distance and the depth of the pass increased by a value between 0 and 40mm.
- a step of defining a second length of bristles of the second part said second length being adapted so that the distance between the distal end of the fluid distribution nozzle and a distal end of the bristles of the second part is equal; at the firing distance increased by a value between 0 and 20mm.
- the length of hair thus defined makes it possible to adapt to the geometry of the surface to be treated, both to the surface irregularities but also to the stair step defining the boundary between the already treated zone and the remaining area to be treated. surface to be treated.
- the invention also relates to a working installation implementing at least one high pressure cryogenic fluid jet comprising:
- a source of cryogenic temperature fluid fluidically connected to a moving tool having at least one fluid dispensing nozzle for dispensing at least one jet of said cryogenic temperature fluid under high pressure;
- a protective enclosure according to one of the previously described embodiments, said enclosure being arranged around the moving tool and fluidly connected to suction means, the open end of said enclosure forming the suction bell around the moving tool.
- FIG. 1 is a diagrammatic view of a working installation implementing a cryogenic temperature fluid distribution tool;
- FIG. 3 is a diagrammatic view of a working installation implementing a jet of cryogenic temperature fluid comprising a protective enclosure for a moving tool and a mobile tool;
- FIGS. 4a (bottom view) and 4b (sectional view) are diagrammatic views of an embodiment of a working installation implementing a jet of cryogenic temperature fluid comprising a protective enclosure of a tool mobile and a mobile tool;
- FIG. 5 is a diagrammatic view of a working installation implementing a jet of cryogenic temperature fluid comprising a protective enclosure for a moving tool and a moving tool and a surface being treated.
- Figure 6 is a schematic view of the flap showing a first example of implantation of the first part and second part of the flap fitted to the enclosure of the invention.
- Figures 7a to 7c schematic views of the flap showing examples of hair implantation on the first and second parts when they are combined.
- FIG. 1 schematizes a working installation implementing a source of cryogenic temperature fluid for stripping, peeling, surface treatment or the like by jets of cryogenic liquid usually comprising a storage tank 1, such as a tank, of liquid nitrogen (hereinafter called LN2) which feeds, via a supply line 6 of liquid nitrogen under low pressure , that is to say at about 3 to 6 bar and at a temperature of -180 ° C, a compression device 2, with compressor and internal upstream heat exchanger for setting ultra high pressure (UHP) of the 'liquid nitrogen.
- a storage tank 1 such as a tank, of liquid nitrogen (hereinafter called LN2) which feeds, via a supply line 6 of liquid nitrogen under low pressure , that is to say at about 3 to 6 bar and at a temperature of -180 ° C
- LN2 liquid nitrogen
- UHP ultra high pressure
- the compression device 2 thus allows compression of the LN2 from the storage tank 1.
- the LN2 at the first pressure (UHP) is then conveyed, via a conveying line (7), to an external downstream heat exchanger 3 where the LN2 UHP undergoes cooling with liquid nitrogen at atmospheric pressure (at 9 ° C.). ), to typically obtain UHP liquid nitrogen at cryogenic temperature.
- UHP ultra high pressure
- LN2 at ultra high pressure (UHP) typically greater than 300 bar, generally between 1000 bar and 4000 bar, advantageously between about 3000 and 4000 bar, and at a cryogenic temperature, for example between -100 ° C. and -200.degree. C., typically between -125.degree. C. and -160.degree. C., which is sent (at 8) to the mobile fluid distribution tool 4 for pickling or the like delivering one or more UHP liquid nitrogen jets. , in general several jets.
- the tank 1 of large capacity such as a truck tank or a storage tank of several thousand liters of liquid nitrogen, is generally located outside buildings, that is to say at the outdoors. It can be fixed or mobile.
- the tank 1 of large capacity is connected in a conventional manner to the installation, that is to say by means of insulated piping comprising one or more control valves ...
- the conveying of the LN2 between the different elements of the system are also done via insulated pipes.
- the overall liquid flow is approximately 20 l / min or 15 m3 / min of nitrogen gas.
- a tool 4 equipped with nozzles 1 1 of the type used in waterjet processes.
- UHP but fed here by LN2 UHP (at 8) and which is rotated or oscillated so as to obtain rotary or oscillating jets 12 of LN2 UHP which are used to etch (or equivalently) the surface to be treated, as shown in Figure 2a (side view) and Figure 2b (bottom view).
- the tool 4 nozzle holder is usually rotated by a set of gears, with or without transmission belt, driven by an electric or pneumatic motor via a first shaft or rotary transmission shaft connected to the engine, a box, a housing or a transmission enclosure comprising a transmission mechanism with a set of internal gears and a second shaft or transmission axis here rotatable connected as to him to the mobile tool 4 provided with the nozzles.
- a protective enclosure 20 forming a suction bell is generally arranged around the tool 4 nozzle holder which distributes the jets 12 of liquid nitrogen.
- the bell 20 has an open end which is positioned opposite the surface to be treated and through which the jets 12 of cryogenic liquid under pressure distributed by the nozzles 1 January.
- This protective enclosure 20 is generally equipped, at its open end which comes into contact with or is in the immediate vicinity of the surface to be stripped, a bib 21, or skirt, flexible serving to provide a barrier function mechanical and sealing between the suction bell 20 and the surface to be treated.
- This flap 21 may be provided with one (or more) rows of flexible bristles, one or more elastic bands, one or more foam flanges ...
- a conventional vacuum suction system comprising a suction pump, one or more filters or other purification or filtration devices, is in fluid communication with the interior of the protective enclosure 20 and allows Aspirate the surface residues effectively and also avoid the release of nitrogen in the room where the surface treatment is carried out.
- the suction bell 20 constitutes a vacuum enclosure including the tool 4, which allows to recover and evacuate all or part of the nitrogen delivered by the nozzles 1 1, as well as dust generated by the pickling process or the like.
- the pressure P1 prevailing in the protective enclosure 20 is preferably lower than the atmospheric pressure P0 prevailing outside the enclosure 20, that is to say in the room where the tool 4 is installed. If the pressure P1 is greater than the pressure P0, the suction is insufficient and the sealing of the suction bell 20 is no longer ensured.
- the flap 21 comprises a first portion made of a hydrophobic material.
- the hydrophobicity of a material is quantifiable by carrying out moisture absorption measurements, for example according to the procedures described in the international standard DIN EN ISO 62.
- the table below presents a list of synthetic materials and of natural origin with moisture absorption values.
- the flap 21 also comprises a second portion made of a second material resistant to abrasion to prevent the dissemination of particles during peeling operations for example.
- the hydrophobic materials in Table 1 have been classified according to their resistance to Abrasion in three degrees: Very resistant, resistant and weakly resistant in Table 2 below.
- the flap can be formed of a single type of element, said element being a single hydrophobic material and resistant to abrasion; that is, in this case the first and second parts are merged.
- the crown consists of a single row of brushes of the same material, with one or more rows of bristles (outer) being longer than the other to ensure tightness on the peeled side.
- the first part and second part may not be confused and in this case, the first part is selected in a hydrophobic material and the second part in a material resistant to abrasion.
- the crown consists of two rows of brushes of two different materials, with at the level of the inner peripheral zone one or rows of bristles resistant to abrasion and short to be tangent to the treated surface (ie concrete in the case of peeling, for example), and in the outer peripheral zone or rows of long hydrophobic bristles in order to best marry the step left by the tool.
- Figures 4a, 4b and 5 illustrate an embodiment of the invention in the case of a circular bell with a flap 21, the first part is composed of bristles 27 and the second part is composed of bristles 26.
- the first part is located at an outer peripheral zone of the flap, ie located furthest from the jets of liquid nitrogen 12.
- the second portion of bristles 26 is located at an inner peripheral zone of the flap, ie located closest to the jets of liquid nitrogen 12.
- They are both made of resistant or highly resistant to abrasion materials, for example chosen from polybutylene terephthalate (PBT), polypropylene (PP), aramids , Polyetheretherketone (PEEK), Polyamide 6.6, Polyamide 6.10, Polyamide 6.12 and Polyamide 1 1.
- PBT polybutylene terephthalate
- PP polypropylene
- aramids Polyetheretherketone
- PEEK Polyamide 6.6, Polyamide 6.10, Polyamide 6.12 and Polyamide 1 1. 11 is visible in Figures
- FIG. 5 shows the notions of firing distance and depth of pass.
- the firing distance noted (d) in FIG. 5 corresponds to the distance between the distal end (ie the farthest distance from the tool) of the nozzle (s) 1 1 for the ejection of liquid nitrogen and the surface to be treated.
- the depth of pass noted in FIG. 5 is defined as the thickness of material that is removed, peeled off by the action of the jet (s) of liquid nitrogen.
- Figure 6 illustrates a first example of implantation of the first part and second component part of the flap fitted to the enclosure.
- the bristles of the first portion 26 form an inner ring and the bristles of the second portion 27 form an outer ring.
- the hairs of the first part are grouped into several bundles of hairs, the hairs of the second part are also grouped into several bundles of hairs.
- a pile pack may comprise a number of bristles for example between 60 and 100.
- the packets of bristles are arranged in staggered rows.
- the inner ring, placed closest to the tool makes it possible to stop the particles projected during operations, and the outer ring placed at the periphery of the open end of the bell makes it possible to block the humidity of the ambient air.
- Figures 7a to 7c illustrate examples of hair implantation on the first and second parts when they are combined.
- the first part and second part are combined and are implanted in a single row of bristles, and even bundles of bristles in this embodiment.
- the first part and second part are combined and are implanted in two rows of bristles, and even bundles of bristles in this embodiment, concentrically and staggered.
- the first part and second part are confused and are implanted in three rows of bristles, and even bundles of bristles in this embodiment, concentric and staggered.
- the use of several rows of hair on the same crown is preferred to increase the tightness of the system. The greater the number of rows, the better the sealing of the system. Indeed, the presence of several rows of bristles reduces the openings on the flap, thus limiting the release of particles.
- the length of the bristles is defined / parameterized as follows:
- the distance between the end of the nozzle (s) 1 1 ejection of liquid nitrogen and the end of the bristles 26 of the second part in contact with the treated surface must be equal to the firing distance increased by a value between 0 and 20 mm;
- the distance between the end of the nozzle (s) 1 1 ejection of liquid nitrogen and the end of the bristles 27 of the first part in contact with the treated surface must be equal to the firing distance added at the depth of the pass increased by a value between 0 and 40 mm.
- the firing distance is generally between 5mm and 10mm.
- the distance between the end of the nozzle (s) 1 1 ejection of liquid nitrogen and the end of the bristles 26 of the second part (inner row) in contact with the treated surface 28 is between 10 and 30mm.
- the distance between the end of the nozzle (s) 1 1 ejection of liquid nitrogen and the end of the bristles 27 of the first part (outer row) in contact with the treated surface 28 is between 30 and 50mm.
- the bristles composing the inner and outer rows have a diameter of between 0.2 and 0.5 mm, which ensures a good flexibility of the flap.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Brushes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1363205A FR3015331B1 (fr) | 2013-12-20 | 2013-12-20 | Enceinte de protection d'un outil mobile de distribution de fluide a temperature cryogenique |
PCT/FR2014/053389 WO2015092274A1 (fr) | 2013-12-20 | 2014-12-17 | Enceinte de protection d'un outil mobile de distribution de fluide a temperature cryogenique |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3083141A1 true EP3083141A1 (fr) | 2016-10-26 |
Family
ID=50290007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14830812.5A Withdrawn EP3083141A1 (fr) | 2013-12-20 | 2014-12-17 | Enceinte de protection d'un outil mobile de distribution de fluide a temperature cryogenique |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160332282A1 (fr) |
EP (1) | EP3083141A1 (fr) |
JP (1) | JP2017501867A (fr) |
CN (1) | CN106413991A (fr) |
FR (1) | FR3015331B1 (fr) |
WO (1) | WO2015092274A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016116797A1 (de) * | 2016-09-08 | 2018-03-08 | Hammelmann GmbH | Vorrichtung und Verfahren zum Reinigen der Oberfläche eines Werkzeugs |
EP4168213A1 (fr) * | 2020-06-22 | 2023-04-26 | Mycon GmbH | Procédé pour refroidir et/ou séparer des éléments collés et/ou retirer des résidus de colle se trouvant sur des surfaces et dispositif à jet correspondant |
JP7525418B2 (ja) | 2021-01-26 | 2024-07-30 | 鹿島建設株式会社 | 解体撤去方法及び解体撤去装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4933740B1 (fr) * | 1968-11-02 | 1974-09-09 | ||
US4993200A (en) * | 1986-03-11 | 1991-02-19 | Kawasaki Steel Techno-Research Corp | Pollution free blaster system and blaster head therefor |
JPH0468281A (ja) * | 1990-07-05 | 1992-03-04 | Kansai Reinetsu Kk | 着氷防止面を有する器物 |
JPH10337667A (ja) * | 1997-06-04 | 1998-12-22 | Mitsui Eng & Shipbuild Co Ltd | ドライアイスブラスト装置 |
JPH11169810A (ja) * | 1997-12-16 | 1999-06-29 | Chugoku Electric Power Co Inc:The | 表面処理装置 |
US7451941B2 (en) * | 2001-03-13 | 2008-11-18 | Jackson David P | Dense fluid spray cleaning process and apparatus |
DE20308788U1 (de) * | 2003-06-04 | 2003-08-28 | Universität Hannover, 30167 Hannover | Oberflächenbearbeitungsvorrichtung |
CN2661373Y (zh) * | 2003-12-02 | 2004-12-08 | 王惠忠 | 环保型自动筛选分离循环回收式喷砂机 |
US7310955B2 (en) | 2004-09-03 | 2007-12-25 | Nitrocision Llc | System and method for delivering cryogenic fluid |
US7316363B2 (en) | 2004-09-03 | 2008-01-08 | Nitrocision Llc | System and method for delivering cryogenic fluid |
AU2010226563B2 (en) * | 2009-03-20 | 2015-10-29 | The Gillette Company | Brush head for use on a container for dispensing a composition |
FR2945761B1 (fr) * | 2009-05-20 | 2012-06-01 | Air Liquide | Installation et procede de traitement de surface par jets de fluide cryogenique. |
CN202053184U (zh) * | 2011-01-28 | 2011-11-30 | 合肥通用机械研究院 | 一种双面同步纯水射流除锈机 |
JP5688324B2 (ja) * | 2011-04-26 | 2015-03-25 | ニイガタ・ローディング・システムズ株式会社 | ローディングアームの露点温度調整システム |
CN202271284U (zh) * | 2011-09-07 | 2012-06-13 | 山东汇通气体能源设备有限公司 | 钢瓶外抛丸清理设备 |
CN102601743A (zh) * | 2012-04-10 | 2012-07-25 | 中国海洋石油总公司 | 一种用于管道外焊缝循环喷砂除锈装置的专用喷头 |
JP2013229423A (ja) * | 2012-04-25 | 2013-11-07 | Hitachi Maxell Ltd | 電磁波シールド材及び電磁波シールド材の製造方法 |
WO2013168773A1 (fr) * | 2012-05-10 | 2013-11-14 | 富士フイルム株式会社 | Stratifié de film conducteur, panneau tactile, tableau de connexions, appareil électronique, feuille transparente adhésive double face sensible à la pression et feuille transparente adhésive sensible à la pression |
-
2013
- 2013-12-20 FR FR1363205A patent/FR3015331B1/fr not_active Expired - Fee Related
-
2014
- 2014-12-17 JP JP2016539999A patent/JP2017501867A/ja active Pending
- 2014-12-17 WO PCT/FR2014/053389 patent/WO2015092274A1/fr active Application Filing
- 2014-12-17 CN CN201480068474.8A patent/CN106413991A/zh active Pending
- 2014-12-17 US US15/106,422 patent/US20160332282A1/en not_active Abandoned
- 2014-12-17 EP EP14830812.5A patent/EP3083141A1/fr not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2015092274A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN106413991A (zh) | 2017-02-15 |
WO2015092274A1 (fr) | 2015-06-25 |
FR3015331B1 (fr) | 2016-01-15 |
FR3015331A1 (fr) | 2015-06-26 |
US20160332282A1 (en) | 2016-11-17 |
JP2017501867A (ja) | 2017-01-19 |
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