EP0003657A1 - Behälter für Druckgase - Google Patents

Behälter für Druckgase Download PDF

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Publication number
EP0003657A1
EP0003657A1 EP79300157A EP79300157A EP0003657A1 EP 0003657 A1 EP0003657 A1 EP 0003657A1 EP 79300157 A EP79300157 A EP 79300157A EP 79300157 A EP79300157 A EP 79300157A EP 0003657 A1 EP0003657 A1 EP 0003657A1
Authority
EP
European Patent Office
Prior art keywords
container
gas
expanded metal
container according
metal mesh
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Withdrawn
Application number
EP79300157A
Other languages
English (en)
French (fr)
Inventor
Kevin Chamberlain Fryer
Huigbertus Strookman
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.)
Expanded Metal Co Ltd
Original Assignee
Expanded Metal Co Ltd
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 Expanded Metal Co Ltd filed Critical Expanded Metal Co Ltd
Publication of EP0003657A1 publication Critical patent/EP0003657A1/de
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/12Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • F17C13/123Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/06Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01Shape
    • F17C2201/0104Shape cylindrical
    • F17C2201/0109Shape cylindrical with exteriorly curved end-piece
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/06Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602Wall structures; Special features thereof
    • F17C2203/0607Coatings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/06Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602Wall structures; Special features thereof
    • F17C2203/0612Wall structures
    • F17C2203/0614Single wall
    • F17C2203/0619Single wall with two layers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/06Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634Materials for walls or layers thereof
    • F17C2203/0636Metals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01Mounting arrangements
    • F17C2205/0153Details of mounting arrangements
    • F17C2205/018Supporting feet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323Valves
    • F17C2205/0332Safety valves or pressure relief valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146Two-phase
    • F17C2223/0153Liquefied gas, e.g. LPG, GPL
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00Purposes of gas storage and gas handling
    • F17C2260/04Reducing risks and environmental impact
    • F17C2260/042Reducing risk of explosion

Definitions

  • the present invention relates to containers intended primarily for liquified petroleum gases such as butane, propane, ethylene oxide, hydrazine, vinyl acetate and many others.
  • the invention is directed to a construction of the container which will either completely prevent or significantly delay the time to explosion of such a container when subjected to intense heat in for example a fire.
  • Liquid petroleum gas (LPG) containers are always at a pressure above atmosphere in order to maintain the gas in the liquid phase as a liquid and in such a case it is not possible for air to enter to . form an explosive mixture.
  • LPG containers such as railway tank cars
  • the resulting explosions have been of frightening proportions, for example producing "fireballs" 200 feet or more in diameter.
  • the (usually steel) wall of the container is heated to a temperature at which its tensile strength is so reduced that it ruptures.
  • the container pressure is reduced rapidly and the liquid very quickly evaporates and expands into a large gas cloud which is ignited by the fire, causing a devastating fireball.
  • the burning gas being ejected from the ruptured container will very often propel it many hundreds of feet. If, for any reason, the relief valve fails to open or, due to inversion of the container,is below the liquid level bursting-may be caused sooner by a simple pressure burst, but with the same devastating results. This is also true for containers without relief valves.
  • a container particularly a pressure container for containing liquified petroleum gas, has an at least partial filling of expanded metal mesh and,externally an intumescent coating.
  • Small containers such as gas bottles for portable stoves may have a complete filling of expanded foil if it is more convenient to fit it in this way. Larger vessels may be partially filled to produce the same effective protection against BLEVE. This partial fill will be cheaper, displace less and weigh less.
  • the intumescent coating particularly for mobile or portable containers should be highly resistant to impact or abrasion.
  • Intumescent paints or varnishes are known and used particularly in buildings to delay the burning of timber materials and to delay the overheating of steel structures.
  • the intumescent coatings foam and carbonize forming a heat insulating barrier.
  • An intumescent coating system may include just a single layer or may have a plurality of layers including under and top coats as required depending on the particular container protection required etc.
  • the container has a relief valve
  • the relief valve opens some liquid gas evaporates and in so doing uses large quantities of heat energy which is drawn in through the walls of the container, through the expanded metal mesh into the liquid.
  • the wall of the container is externally insulated by the foamed intumescent coating the temperature of the container wall is significantly lowered from its previous temperature.
  • the walls of the container are thereby prevented from reaching a temperature at which there is a significant weakening and the internal pressure in the container is not able therefore to burst the wall.
  • the cooling effect will also increase the time between closing and opening of the relief valve thus reducing the quantity of gas being released.
  • the expanded metal may prevent any point of the liquid gas reaching an auto-ignition temperature.
  • Ethylene oxide in particular is extremely hazardous as, once it has reached a temperature of 560°Centigrade explosive decomposition is initiated and continues even though the temperature source is removed. Therefore, decomposition can continue, without this being apparent, until auto-ignition is achieved.
  • the expanded metal by its inherent ability to dissipate heat quickly, prevents the initiation temperature being reached so that the hazard is greatly reduced.
  • An expanded aluminium mesh pack with a weight of 25g per litre will have up to 500 times the conducting capability of a petroleum gas and will thus transmit heat from the container wall 500 times faster than if only the gas were present.
  • the gas is in contact with the wall of the container at all points on its surface except where the expanded metal is in contact with the wall it is believed that the greater part of the heat is conducted from the wall into the gas and then immediately into the expanded metal mesh.
  • Tests have shown that the expanded metal mesh may be in contact with the wall of the container at relatively few points. This is significant as, with transportable containers, there may be some breaking away of the expanded metal from the wall of the container due to vibration for example and if the expanded metal were the prime conductor of heat from the wall this would be a serious problem.
  • Figure 1 illustrates a test rig used in these tests.
  • the tests were carried out on standard dome- shaped ventless steel camping gas cartridges containing 200 grams of liquid butane.
  • the test rig itself is simple. and comprises a protective steel plate A through which projects a gas torch B and to which is attached a clamp C for the gas containers D.
  • the flame E from the gas torch is arranged to be directed onto the top and side of the container at such a point that it is above the level of liquid.
  • a first test was carried out with a cartridge as normally supplied, with no protection. After 31 seconds the domed bottom F of the container inverted and the container burst after 2 minutes and 26 seconds. The container burst not because of weakening of the container wall, but simply due to the very high pressure generated by the expanding gas.
  • a second container including a complete fill of expanded aluminimum alloy mesh of .04 mm thickness was tested and the time to inversion of the bottom of the container was 54 seconds and a pressure burst occured at 4 minutes 18 seconds.
  • the fourth container was substantially the same as the third, but included a further intumescent finish coating ("Firescreen Finish”) 700 microns thick. Inversion of the bottom occured at 33 minutes and again there was no burst.
  • Firescreen Finish a further intumescent finish coating
  • the container shown in Figures 2A and B is of a basic well-known type and comprises an elongate cylindrical wall 1 which, has domed ends 2 and 3, the lower end 3 having attached thereto a cylindrical sectioned base 4 having a lower flange 5 to enable the container to stand on the ground securely.
  • the upper end of the container has a gas outlet 6 at which is positioned a valve unit 7 having a manually operable valve and a pressure relief valve.
  • the container has a spirally wound coil 8 of expanded aluminium alloy foil which, although actually occupying only between 1 and 2 per cent of the internal volume of the container, extends throughout the container so as to enable conduction of heat from the walls of the container into the liquid gas in the container, whatever the orientation of the container.
  • the expanded aluminium alloy mesh has a thickness of .04 mm and a strand width of 1.78 mm.
  • each aperture In the longitudinal direction of the mesh, that is to say along the length of the diamond-shaped apertures produced in the mesh during the expanding process each aperture has a length of approximately 15 mm.
  • the width of each aperture is approximately 8.4 mm when expanded.
  • Such a mesh, when wound into a coil has a density of approximately .03 grams/cm 3 ..
  • an intumescent coating 9 which may be of either a single or multi-layer type, such as used in the tests described above.
  • Figure 3A there is shown a cross-section through a much larger container of the type which is normally mounted on a railway car.
  • the container has a generally cylindrical wall 11 and domed, spherical ends 12 and 13 such as shown in Figure 3C.
  • the rail car container of the present example lies with the major axis of the cylinder substantially horizontal and includes a pressure release valve (not shown).
  • the container has a single or multi layer intumescent coating 14 as in the previous example, but, internally, has only a partial filling of expanded metal mesh 15, the mesh being provided in the form of large coils 16 separately supported in an annular array by expanded metal mesh radially extending sheets 17 and by a pair of substantially semi-cylindrical expanded metal mesh sheets 18.
  • Figures 3B and C show an alternative example to that shown in Figure 3A.
  • the expanded metal mesh is provided in a number of layers 19 to form an annulus against the wall of the container and is supported internally by a cylinder 20 of expanded metal mesh of larger all round dimensions braced internally by cross-bars 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Sampling And Sample Adjustment (AREA)
EP79300157A 1978-02-07 1979-01-31 Behälter für Druckgase Withdrawn EP0003657A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB491178 1978-02-07
GB491178 1978-02-07
GB851178 1978-03-03
GB851178 1978-03-03

Publications (1)

Publication Number Publication Date
EP0003657A1 true EP0003657A1 (de) 1979-08-22

Family

ID=26239463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79300157A Withdrawn EP0003657A1 (de) 1978-02-07 1979-01-31 Behälter für Druckgase

Country Status (8)

Country Link
EP (1) EP0003657A1 (de)
JP (1) JPS54114817A (de)
AU (1) AU4373279A (de)
BR (1) BR7900678A (de)
DD (1) DD141944A5 (de)
DK (1) DK48679A (de)
ES (1) ES477506A1 (de)
NO (1) NO790299L (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2420717A1 (fr) * 1978-03-20 1979-10-19 Explosafe Sa Reservoir resistant a la pression
EP0010905A1 (de) * 1978-11-02 1980-05-14 Blevex Limited Wärmeschutzsperre und Verfahren zur Herstellung derselben
EP0036284A2 (de) * 1980-03-14 1981-09-23 Blevex Limited Verfahren zum Herstellen einer schützenden Hitzesperre
EP0129653A2 (de) * 1983-06-22 1985-01-02 Udo Poschinger Gasbehälter
GB2144839A (en) * 1983-03-04 1985-03-13 Udo Poschinger Gas container
US4921118A (en) * 1987-09-04 1990-05-01 Courtney P. Grover, III Manufacture of filling material
US4930651A (en) * 1978-03-20 1990-06-05 Explosafe North America Inc. Storage vessel for liquefied gas at ambient temperature
US5000336A (en) * 1987-09-04 1991-03-19 Grover-Turtur Venture Explosion protection system for a container
FR2748942A1 (fr) * 1996-05-25 1997-11-28 Nullifire Ldt Contenant de protection au feu pour une bouteille de gaz liquefie
WO1998033004A1 (de) * 1997-01-28 1998-07-30 Mannesmann Ag Behälter zur speicherung von druckgas
ES2319067A1 (es) * 2007-10-25 2009-05-01 Tratinox, S.A. Botella para gases licuados del petroleo y productos similares con difusor antiexplosivo, y proceso de fabricacion de la misma.
CN103939731A (zh) * 2014-04-28 2014-07-23 杨元清 防爆过滤压力储罐
CN106233060A (zh) * 2014-07-11 2016-12-14 宝马股份公司 用于保护机动车高压气体容器的装置、用于机动车的高压气体容器以及用于制造高压气体容器的方法
CN113117123A (zh) * 2021-05-26 2021-07-16 上海国颂医疗科技有限公司 一种可降低环氧乙烷气体燃烧或爆炸安全风险的装置
EP4006539A1 (de) * 2020-11-25 2022-06-01 TÜV SÜD Industrie Service GmbH Druckaufbringvorrichtung zur durchführung einer schallemissionsprüfung und verfahren zur durchführung einer schallemissionsprüfung
WO2022228937A1 (de) * 2021-04-30 2022-11-03 Robert Bosch Gmbh Druckgasbehälter, druckgasspeichersystem mit druckgasbehälter

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3307797A1 (de) * 1983-03-04 1984-09-06 Udo 8037 Olching Poschinger Gasbehaelter
DE19703591A1 (de) * 1997-01-31 1998-08-06 Kaefer Isoliertechnik Wärmedämmung für einen Kugeltank
DE10352569B4 (de) * 2003-11-11 2021-07-01 Bayerische Motoren Werke Aktiengesellschaft Kraftstoffbehälter für ein Kraftfahrzeug
AT501577B1 (de) * 2004-04-09 2007-05-15 Franz Ing Stuhlbacher Verfahren zum befüllen eines behältnisses mit einem gas

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB121762A (en) * 1917-11-01 1919-01-02 Alfred William Torkington Improvements in or relating to Containers for Holding Gas Under Pressure.
FR1268538A (fr) * 1960-06-21 1961-08-04 Forges Chantiers Mediterranee Perfectionnements aux réservoirs
US3069042A (en) * 1961-07-06 1962-12-18 Herrick L Johnston Inc Method and apparatus for storing liquefied gases
US3733289A (en) * 1971-08-24 1973-05-15 Monsanto Co Fire retardant coating composition

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB121762A (en) * 1917-11-01 1919-01-02 Alfred William Torkington Improvements in or relating to Containers for Holding Gas Under Pressure.
FR1268538A (fr) * 1960-06-21 1961-08-04 Forges Chantiers Mediterranee Perfectionnements aux réservoirs
US3069042A (en) * 1961-07-06 1962-12-18 Herrick L Johnston Inc Method and apparatus for storing liquefied gases
US3733289A (en) * 1971-08-24 1973-05-15 Monsanto Co Fire retardant coating composition

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930651A (en) * 1978-03-20 1990-06-05 Explosafe North America Inc. Storage vessel for liquefied gas at ambient temperature
FR2420717A1 (fr) * 1978-03-20 1979-10-19 Explosafe Sa Reservoir resistant a la pression
EP0010905A1 (de) * 1978-11-02 1980-05-14 Blevex Limited Wärmeschutzsperre und Verfahren zur Herstellung derselben
FR2441025A1 (fr) * 1978-11-02 1980-06-06 Expanded Metal Barriere de protection contre la chaleur
EP0036284A2 (de) * 1980-03-14 1981-09-23 Blevex Limited Verfahren zum Herstellen einer schützenden Hitzesperre
EP0036284A3 (de) * 1980-03-14 1981-12-16 Blevex Limited Verfahren zum Herstellen einer schützenden Hitzesperre
GB2144839A (en) * 1983-03-04 1985-03-13 Udo Poschinger Gas container
EP0129653A2 (de) * 1983-06-22 1985-01-02 Udo Poschinger Gasbehälter
EP0129653A3 (en) * 1983-06-22 1985-12-04 Udo Poschinger Gas reservoir
US5000336A (en) * 1987-09-04 1991-03-19 Grover-Turtur Venture Explosion protection system for a container
US4921118A (en) * 1987-09-04 1990-05-01 Courtney P. Grover, III Manufacture of filling material
FR2748942A1 (fr) * 1996-05-25 1997-11-28 Nullifire Ldt Contenant de protection au feu pour une bouteille de gaz liquefie
WO1998033004A1 (de) * 1997-01-28 1998-07-30 Mannesmann Ag Behälter zur speicherung von druckgas
ES2319067A1 (es) * 2007-10-25 2009-05-01 Tratinox, S.A. Botella para gases licuados del petroleo y productos similares con difusor antiexplosivo, y proceso de fabricacion de la misma.
CN103939731A (zh) * 2014-04-28 2014-07-23 杨元清 防爆过滤压力储罐
CN106233060A (zh) * 2014-07-11 2016-12-14 宝马股份公司 用于保护机动车高压气体容器的装置、用于机动车的高压气体容器以及用于制造高压气体容器的方法
US10267459B2 (en) 2014-07-11 2019-04-23 Bayerische Motoren Werke Aktiengesellschaft Device for protecting a high-pressure gas tank in a motor vehicle, high-pressure gas tank for a motor vehicle, and method for the production of a high-pressure gas tank
CN106233060B (zh) * 2014-07-11 2019-07-19 宝马股份公司 用于保护机动车高压气体容器的装置
EP4006539A1 (de) * 2020-11-25 2022-06-01 TÜV SÜD Industrie Service GmbH Druckaufbringvorrichtung zur durchführung einer schallemissionsprüfung und verfahren zur durchführung einer schallemissionsprüfung
WO2022228937A1 (de) * 2021-04-30 2022-11-03 Robert Bosch Gmbh Druckgasbehälter, druckgasspeichersystem mit druckgasbehälter
CN113117123A (zh) * 2021-05-26 2021-07-16 上海国颂医疗科技有限公司 一种可降低环氧乙烷气体燃烧或爆炸安全风险的装置
CN113117123B (zh) * 2021-05-26 2022-10-21 上海国颂医疗科技有限公司 一种可降低环氧乙烷气体燃烧或爆炸安全风险的装置

Also Published As

Publication number Publication date
JPS54114817A (en) 1979-09-07
ES477506A1 (es) 1980-04-01
NO790299L (no) 1979-08-08
BR7900678A (pt) 1979-09-04
DK48679A (da) 1979-08-08
AU4373279A (en) 1979-08-16
DD141944A5 (de) 1980-05-28

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: STROOKMAN, HUIGBERTUS

Inventor name: FRYER, KEVIN CHAMBERLAIN