US3822807A - Closeable containers having means for suppressing fire and/or explosions - Google Patents
Closeable containers having means for suppressing fire and/or explosions Download PDFInfo
- Publication number
- US3822807A US3822807A US00233993A US23399372A US3822807A US 3822807 A US3822807 A US 3822807A US 00233993 A US00233993 A US 00233993A US 23399372 A US23399372 A US 23399372A US 3822807 A US3822807 A US 3822807A
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- United States
- Prior art keywords
- container
- foam
- balls
- hollow
- percent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/38—Means for reducing the vapour space or for reducing the formation of vapour within containers
- B65D90/40—Means for reducing the vapour space or for reducing the formation of vapour within containers by use of fillings of porous materials
Abstract
A closeable container having therein a plurality of foam balls having a porosity of 15-25 pores per linear inch, which balls together with the void spaces therein occupy the space within the container to an extent that there is left externally of the balls and within the container a volume equivalent to more than 50 per cent of the total interior space within the container, so that in the event of a fire within the container an unacceptable pressure rise therein may be prevented.
Description
.ni te I atent 1 1 1 MacDonald et a1.
[ CLOSEABLE CONTAINERS HAVING MEANS FOR SUPPRESSING FIRE AND/OR EXPLOSllONS [75] Inventors: John Angus MacDonald,
Farnborough; Harold William Gerald Wyeth, Aldershot, both of England [73] Assignee: The Secretary for Defence in Her Britannic Majesty s Government of the United Kingdom of Great Britain and Northern Ireland, London, England 22 Filedzi Mar.- 13, 1972 21 Appl. No; 233,993 7 [52] 11.8. C1. 220/8811, 220/63 A [51] llnt. Cl B65d 25/00 [58] Field of Search....; 220/88 R, 63 R, 63 A, 3,
[56] References Cited UNITED STATES PATENTS 3,349,953 10/1967 Conaway et al. 220/88 R 1451 "July 9, 1974 3,394,843 1 7/1968 Grady, Jr. et al 220/88 A 3,396,923 8/1968 Windecker .1 220/88 R 3,506,224 4/1970 Harr et al. 220/63 A X 3,561,639 2/1971 Allen 220/88 R 3,650,431 3/1972 Stewart 220/88 R 3,691,620 9/1972 Harr 1 220/88 R X 3,703,976 11/1972 Hughes. 220/88 R X 3,708,330 1/1973 Harr 220/88 R X Primary ExaminerWilliam 1. Price Assistant Exa miner--Steven M. Pollard Attorney, Agent, or Firm-Cameron, Kerkam, Sutton, Stowell & Stowell 57 ABSTRACT A closeable container having therein a plurality of foam balls having a porosity of'15-25 pores per linear inch, which balls together withthe void spaces therein occupy the space within the container to an extent that there is left externally of the balls and within the container a volume equivalent to more than 50 per cent of the total interior space-within the container, so that in the event of a tire within the container an unacceptable pressure rise therein may be prevented.
9 Claims, 1 Drawing Figure CLOSEABLE CONTAINERS HAVING MEANS FOR SUPPRESSING FIRE AND/OR EXPLOSIONS This invention relates to closeable containers having means for suppressing fire and/or explosion and in which there may be present in theullage a flammable mixture which constitutes a potential fire and/or explosion hazard. It is concerned with the more effective use of balls of openly reticulated foam as a fire and/or explosion suppressing means in containers.
A container according to the present invention contains a plurality of balls of openly reticulated plastics foam having a porosity of -25 pores per linear inch which balls together with the void spaces within them occupy the container to an extent that there is left externally of and between the balls and within the container a volume. equivalent to more than 50 percent of the interior volume of the container whereby in the event of a fire within the container an unacceptable pressure rise is prevented.
The foam pieces may comprise balls of foam and may be hollow comprising a foam layer surrounding ahollow interior. Preferably, hollow balls of diameter 1-6. inches and wall thickness /2-l inch may be employed, the preferred wall thickness depending on the hardness of the foam as much as the size of the ball. Preferably polyurethane foam material is used having a density of 12-30 Kg/m a porosity of 15-25 pores per linearinch, and being over about 95 percent void by volume.
Experiments show that the ignition of an explosive propane gas/air mixture or a mixture of air and evaporants from aviation fuel in a hollow container may'result in a pressure rise of 100 lb/sq in.
1n the case of aircraft fuel tanks their ability to withstand internal pressure rises may vary from as low as 2 lb/sq in for civil aircraft to as high as 60 lb/sq in for cur rent military aircraft.
I The use of polyurethane foam balls in either solid or hollow form and having a porosity of 15-25 pores per inch which occupy a container to an extent that there is left externally of and between the balls and the interior of the container a-volume equivalent to 50 percent of the tank volume, leads to a consistent and repeatable pressure rise of not more than 25 lb/sq in following ignition of an explosive mixture in the tank.
Similarly if the foam volume used is reduced so that the volume left is 60 percent'and 70 percent then the pressure rise following ignition is reduced to 40 and 60 lb/sq in, respectively. Thus the maximum volume left in -.current conditions may be about 70 percent.
It is found that if the foam used has a porosity of less than 15 pores per linear inch its effectiveness is reduced as it does not provide the desirable refuge volume within it for the advancing pressurised gases which result following ignition of the mixture. Also, if a higher porosity than 25 pores per linear inch is used the drainage rate of fuel from the foam maybe too slow.
To be effective the balls must be in the ullage and for a container which remains stationary the balls are arranged to occupy at least the upper region of the container. Thus as the contents are drained off any ullage formed will contain foam balls. For containers liable to movement and possible inversion, as in the case of an aircraft fuel tank, the balls will be supported within the containers so that whatever its position some at least of 2 the balls will be present in the ullage as it is formed. For example, balls may be supported adjacent the inner side walls of a container in a netting support.
The actual diameter of the pores in the foam will vary both as between pores in a given type of foam and between different types of foam. However, ideally the type of foam used is such that the skeletal strands of material which surround and define the pores are as small as possible. Thus, in the case of a typical polyurethane foam having 15 pores per linear inch. diamcter of the individual pores was in general in the range of 0.06 0.064 inches with some smaller and some larger pores as is common with this type of foam material. The preferred density of the foam is of the order of 12-15 Kg/m.
The container may also be provided with a layer of openly reticulated foam, of similar plastics material but with a porosity of 70-100 pores per inch, covering at least part of its external surface.
An embodiment of the invention will now be described, by way of example, with reference to the accompanying drawing which is a part sectioned diagrammatic representation of a fuel tank in accordance with the invention.
As shown in the drawingthe tank 1 has an inlet and closure assembly 2 and an outlet 3. A net 4 attached to the sides of the tank carries a plurality of hollow polyurethane foam balls 5. The tank is enclosed in a 2 inch layer of reticulated polyurethane foam 6 having a porosity of 80 pores per linear inch.
We claim:
1. A closeable container defining an interior space for contents, closure means for closing the container, and a plurality of balls of openly reticulated plastics foam within the container which together with the void spaces within the pieces occupy the space within the container to an extent that there is left externally of the balls and within the container a volume equivalent to from more than 50 percent up to about 70 percent of the total interior space within the container, and the balls having'a porosity of about 15-25 pores per linear inch.
2. A container as claimed in claim 1 and wherein at least some of the balls are hollow and comprise a foam layer surrounding a hollow interior.
3. A container as claimed in claim 1 and wherein the hollow balls are 1-6 inches in diameter and comprise a foam layer /2l inch thick and surrounding a hollow interior.
4. A container as claimed in claim 1 and wherein the foam has a density of about 12-15 Kg/m and is at least 95 percent voids by volume.
5. A container as claimed in claim 1 and wherein the foam is a polyurethane ester foam.
6. A container as claimed in claim 1 and having therein net means retaining some at least of said balls in a normally upper part of the container.
7. A container as claimed in claim 1 and having a layer of openly reticulated plastics foam covering at least part of itsexterior surface.
8. A container as claimed in claim 7 and wherein the foam layer has a porosity of -100 inch.
9. A container as claimed inclaim 7 and wherein the foam layer comprises polyurethane ester foam.
pores per linear mg UNITED STATES PATENT OFFICE CERTIFICATE, OF CORRECTION Patent No. 3 822'8o7 Dated y 1974 Inventor) John Angus MacDonald et al.
It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below:
r Cover page, item [75] "MacDonald" should read "1 --macdonald-; after item [2].] insert --[30] Foreign Application Priority Data I Mar. '15, 1971 Great Britain 6862/71----.
Signed and sealed this 8th day of October 1974.
(SEAL) Attest:
McCOY M. GIBSON JR. 0. MARSHALL DANN Attesting Officer Commissioner of Patent
Claims (9)
1. A closeable container defining an interior space for contents, closure means for closing the container, and a plurality of balls of openly reticulated plastics foam within the container which together with the void spaces within the pieces occupy the space within the container to an extent that there is left externally of the balls and within the container a volume equivalent to from more than 50 percent up to about 70 percent of the total interior space within the container, and the balls having a porosity of about 15-25 pores per linear inch.
2. A container as claimed in claim 1 and wherein at least some of the balls are hollow and comprise a foam layer surrounding a hollow interior.
3. A container as claimed in claim 1 and wherein the hollow balls are 1- 6 inches in diameter and comprise a foam layer 1/2 -1 inch thick and surrounding a hollow interior.
4. A container as claimed in claim 1 and wherein the foam has a density of about 12-15 Kg/m3 and is at least 95 percent voids by volume.
5. A container as claimed in claim 1 and wherein the foam is a polyurethane ester foam.
6. A container as claimed in claim 1 and having therein net means retaining some at least of said balls in a normally upper part of the container.
7. A container as claimed in claim 1 and having a layer of openly reticulated plastics foam covering at least part of its exterior surface.
8. A container as claimed in cLaim 7 and wherein the foam layer has a porosity of 70-100 pores per linear inch.
9. A container as claimed in claim 7 and wherein the foam layer comprises polyurethane ester foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00233993A US3822807A (en) | 1972-03-13 | 1972-03-13 | Closeable containers having means for suppressing fire and/or explosions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00233993A US3822807A (en) | 1972-03-13 | 1972-03-13 | Closeable containers having means for suppressing fire and/or explosions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3822807A true US3822807A (en) | 1974-07-09 |
Family
ID=22879443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US00233993A Expired - Lifetime US3822807A (en) | 1972-03-13 | 1972-03-13 | Closeable containers having means for suppressing fire and/or explosions |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US3822807A (en) |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133426A (en) * | 1978-02-24 | 1979-01-09 | The International Nickel Company, Inc. | Hydride container |
| EP0179044A2 (en) * | 1984-09-20 | 1986-04-23 | OFLUOGLU, Azmi, Dr. | Method for producing balls from expanded metal |
| US4764408A (en) * | 1988-01-19 | 1988-08-16 | Foamade Industries, Inc. | Foam plastic baffle for fluid containers |
| US4834079A (en) * | 1981-03-09 | 1989-05-30 | Temova Establissement | Protective cover for legs & joints of hoofed animals |
| US4927045A (en) * | 1983-06-27 | 1990-05-22 | Technolizenz Establishment | System of safety tank elements preventing explosions |
| US4964531A (en) * | 1989-11-16 | 1990-10-23 | Caniglia Joseph E | Bladder for fuel tank |
| US5267665A (en) * | 1991-09-20 | 1993-12-07 | Sri International | Hardened luggage container |
| US5540285A (en) * | 1988-12-06 | 1996-07-30 | Alhamad; Shaikh G. M. Y. | Fuel containment medium |
| US6032347A (en) * | 1997-07-11 | 2000-03-07 | Max Rhodius Gmbh | Tank and manufacturing method for the same |
| US6062417A (en) * | 1999-04-26 | 2000-05-16 | Evans; Bruce | Liquid storage tank and baffle system |
| US6196107B1 (en) | 1998-04-10 | 2001-03-06 | The United States Of America As Represented By The Secretary Of The Navy | Explosive containment device |
| US20030000951A1 (en) * | 2001-05-21 | 2003-01-02 | Clark David G. | Method for reducing the severity of vapor cloud explosions |
| US20050023365A1 (en) * | 2003-08-01 | 2005-02-03 | Lord Stephen Michael | Method for safe handling of unstable hydride gases |
| US20050181152A1 (en) * | 2003-07-17 | 2005-08-18 | Foamex L.P. | Low density explosion suppressing foams |
| US6991124B1 (en) | 1995-09-25 | 2006-01-31 | Alliedsignal Inc. | Blast resistant and blast directing containers and methods of making |
| US20060210373A1 (en) * | 2004-06-29 | 2006-09-21 | Khattab Ahmed Y | Liquid transport safety system "LTSS" |
| US7185778B1 (en) | 1995-09-25 | 2007-03-06 | Allied-Signal Inc. | Barrier units and articles made therefrom |
| US20080149767A1 (en) * | 2006-12-22 | 2008-06-26 | Calvin Burgess | Fuel range for an aircraft |
| US20090078705A1 (en) * | 2007-09-21 | 2009-03-26 | Ramsay Thomas N | Floating Absorber Assembly for Reduced Fuel Slosh Noise |
| WO2010089463A1 (en) * | 2009-02-05 | 2010-08-12 | Jean-Michel Simon | Device and method for damping movements of a liquid in a vessel, such as a tank of a liquid natural gas tanker, and such a vessel |
| US20100294761A1 (en) * | 2009-05-21 | 2010-11-25 | Joseph Riordan | Vapor barrier for flammable liquid storage tanks |
| US20110017748A1 (en) * | 2009-07-24 | 2011-01-27 | Ford Global Technologies, Llc | Liquid fuel storage tank for automotive vehicle |
| EP2364931A2 (en) * | 2008-11-18 | 2011-09-14 | Samsung Heavy IND. CO., LTD. | Apparatus for the suppression of sloshing |
| WO2013083182A1 (en) * | 2011-12-05 | 2013-06-13 | Blue Wave Co S.A. | Method for controlling rate of gas escape from breached presssurized containment systems |
| US8616398B2 (en) | 2009-05-21 | 2013-12-31 | Joseph Riordan | Vapor barrier structure |
| US20140144915A1 (en) * | 2011-07-26 | 2014-05-29 | Samsung Heavy Ind. Co., Ltd. | Apparatus for suppressing sloshing |
| US20150165248A1 (en) * | 2012-01-09 | 2015-06-18 | S.P.C.M. Sa | Process to stop and/or prevent the spreading of peat fires |
| CN108310702A (en) * | 2018-02-10 | 2018-07-24 | 佛山市建金建电子科技有限公司 | A kind of aviation ball explosion-protection equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3349953A (en) * | 1965-09-17 | 1967-10-31 | Goodyear Tire & Rubber | Anti-slosh media for fuel tanks |
| US3394843A (en) * | 1966-04-22 | 1968-07-30 | Charles B. Grady Jr. | Lightweight explosion suppressing enclosure |
| US3396923A (en) * | 1966-11-21 | 1968-08-13 | Dow Chemical Co | Structure and method for the fabrication thereof |
| US3506224A (en) * | 1968-12-04 | 1970-04-14 | Firestone Tire & Rubber Co | Supporting structure for a self-sealing fuel tank |
| US3561639A (en) * | 1968-09-05 | 1971-02-09 | Donn W Allen | Fuel storage cell |
| US3650431A (en) * | 1969-12-19 | 1972-03-21 | Phillips Petroleum Co | Safety container |
| US3691620A (en) * | 1964-11-25 | 1972-09-19 | George B Harr | Process of providing a fuel tank in a vehicle |
| US3703976A (en) * | 1970-10-28 | 1972-11-28 | Univ Oklahoma State | High pressure storage vessel |
| US3708330A (en) * | 1971-01-28 | 1973-01-02 | Firestone Tire & Rubber Co | Producing container with foam interior |
-
1972
- 1972-03-13 US US00233993A patent/US3822807A/en not_active Expired - Lifetime
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3691620A (en) * | 1964-11-25 | 1972-09-19 | George B Harr | Process of providing a fuel tank in a vehicle |
| US3349953A (en) * | 1965-09-17 | 1967-10-31 | Goodyear Tire & Rubber | Anti-slosh media for fuel tanks |
| US3394843A (en) * | 1966-04-22 | 1968-07-30 | Charles B. Grady Jr. | Lightweight explosion suppressing enclosure |
| US3396923A (en) * | 1966-11-21 | 1968-08-13 | Dow Chemical Co | Structure and method for the fabrication thereof |
| US3561639A (en) * | 1968-09-05 | 1971-02-09 | Donn W Allen | Fuel storage cell |
| US3506224A (en) * | 1968-12-04 | 1970-04-14 | Firestone Tire & Rubber Co | Supporting structure for a self-sealing fuel tank |
| US3650431A (en) * | 1969-12-19 | 1972-03-21 | Phillips Petroleum Co | Safety container |
| US3703976A (en) * | 1970-10-28 | 1972-11-28 | Univ Oklahoma State | High pressure storage vessel |
| US3708330A (en) * | 1971-01-28 | 1973-01-02 | Firestone Tire & Rubber Co | Producing container with foam interior |
Cited By (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4133426A (en) * | 1978-02-24 | 1979-01-09 | The International Nickel Company, Inc. | Hydride container |
| US4834079A (en) * | 1981-03-09 | 1989-05-30 | Temova Establissement | Protective cover for legs & joints of hoofed animals |
| US4927045A (en) * | 1983-06-27 | 1990-05-22 | Technolizenz Establishment | System of safety tank elements preventing explosions |
| EP0179044A3 (en) * | 1984-09-20 | 1987-08-26 | Hannes Schrenk | Filling bodies to put inside liquid or gaseous fuel tanks |
| US4613054A (en) * | 1984-09-20 | 1986-09-23 | Hannes Schrenk | Filler body for receptacles for combustible fluids and method of making same |
| EP0179044A2 (en) * | 1984-09-20 | 1986-04-23 | OFLUOGLU, Azmi, Dr. | Method for producing balls from expanded metal |
| US4764408A (en) * | 1988-01-19 | 1988-08-16 | Foamade Industries, Inc. | Foam plastic baffle for fluid containers |
| US5540285A (en) * | 1988-12-06 | 1996-07-30 | Alhamad; Shaikh G. M. Y. | Fuel containment medium |
| US4964531A (en) * | 1989-11-16 | 1990-10-23 | Caniglia Joseph E | Bladder for fuel tank |
| US5267665A (en) * | 1991-09-20 | 1993-12-07 | Sri International | Hardened luggage container |
| US6991124B1 (en) | 1995-09-25 | 2006-01-31 | Alliedsignal Inc. | Blast resistant and blast directing containers and methods of making |
| US20080223857A1 (en) * | 1995-09-25 | 2008-09-18 | Honeywell International Inc. | Blast resistant and blast directing container and assemblies |
| US7185778B1 (en) | 1995-09-25 | 2007-03-06 | Allied-Signal Inc. | Barrier units and articles made therefrom |
| US6032347A (en) * | 1997-07-11 | 2000-03-07 | Max Rhodius Gmbh | Tank and manufacturing method for the same |
| US6196107B1 (en) | 1998-04-10 | 2001-03-06 | The United States Of America As Represented By The Secretary Of The Navy | Explosive containment device |
| US6062417A (en) * | 1999-04-26 | 2000-05-16 | Evans; Bruce | Liquid storage tank and baffle system |
| US20030000951A1 (en) * | 2001-05-21 | 2003-01-02 | Clark David G. | Method for reducing the severity of vapor cloud explosions |
| US20050181152A1 (en) * | 2003-07-17 | 2005-08-18 | Foamex L.P. | Low density explosion suppressing foams |
| US20050023365A1 (en) * | 2003-08-01 | 2005-02-03 | Lord Stephen Michael | Method for safe handling of unstable hydride gases |
| US7150353B2 (en) * | 2003-08-01 | 2006-12-19 | Stephen Michael Lord | Method for safe handling of unstable hydride gases |
| US20060210373A1 (en) * | 2004-06-29 | 2006-09-21 | Khattab Ahmed Y | Liquid transport safety system "LTSS" |
| US20080149767A1 (en) * | 2006-12-22 | 2008-06-26 | Calvin Burgess | Fuel range for an aircraft |
| US8172181B2 (en) * | 2006-12-22 | 2012-05-08 | Calvin Burgess | Fuel range for an aircraft |
| US8376281B2 (en) | 2006-12-22 | 2013-02-19 | Calvin Burgess | Fuel range for an aircraft |
| US20090078705A1 (en) * | 2007-09-21 | 2009-03-26 | Ramsay Thomas N | Floating Absorber Assembly for Reduced Fuel Slosh Noise |
| US8235241B2 (en) * | 2007-09-21 | 2012-08-07 | Honda Motor Co., Ltd. | Floating absorber assembly for reduced fuel slosh noise |
| EP2364931A4 (en) * | 2008-11-18 | 2013-10-16 | Samsung Heavy Ind | Apparatus for the suppression of sloshing |
| EP2364931A2 (en) * | 2008-11-18 | 2011-09-14 | Samsung Heavy IND. CO., LTD. | Apparatus for the suppression of sloshing |
| US20110278305A1 (en) * | 2008-11-18 | 2011-11-17 | Samsung Heavy Ind., Co., Ltd. | Anti-sloshing apparatus |
| EP2851317A1 (en) * | 2008-11-18 | 2015-03-25 | Samsung Heavy Ind. Co., Ltd. | Anti-sloshing apparatus |
| US8708190B2 (en) * | 2008-11-18 | 2014-04-29 | Samsung Heavy Ind. Co., Ltd. | Anti-sloshing apparatus |
| WO2010089463A1 (en) * | 2009-02-05 | 2010-08-12 | Jean-Michel Simon | Device and method for damping movements of a liquid in a vessel, such as a tank of a liquid natural gas tanker, and such a vessel |
| US8297460B2 (en) | 2009-05-21 | 2012-10-30 | Joseph Riordan | Vapor barrier for flammable liquid storage tanks |
| US8616398B2 (en) | 2009-05-21 | 2013-12-31 | Joseph Riordan | Vapor barrier structure |
| US20100294761A1 (en) * | 2009-05-21 | 2010-11-25 | Joseph Riordan | Vapor barrier for flammable liquid storage tanks |
| US9168404B2 (en) | 2009-05-21 | 2015-10-27 | Joseph Riordan | Vapor barrier structure |
| US20110017748A1 (en) * | 2009-07-24 | 2011-01-27 | Ford Global Technologies, Llc | Liquid fuel storage tank for automotive vehicle |
| US10131497B2 (en) * | 2011-07-26 | 2018-11-20 | Samsung Heavy Ind. Co., Ltd. | Apparatus for suppressing sloshing |
| US20140144915A1 (en) * | 2011-07-26 | 2014-05-29 | Samsung Heavy Ind. Co., Ltd. | Apparatus for suppressing sloshing |
| EP2738081A4 (en) * | 2011-07-26 | 2016-06-29 | Samsung Heavy Ind | Anti-sloshing apparatus |
| CN104254487A (en) * | 2011-12-05 | 2014-12-31 | 蓝波股份有限公司 | Method for controlling rate of gas escape from breached presssurized containment systems |
| WO2013083182A1 (en) * | 2011-12-05 | 2013-06-13 | Blue Wave Co S.A. | Method for controlling rate of gas escape from breached presssurized containment systems |
| US20150165248A1 (en) * | 2012-01-09 | 2015-06-18 | S.P.C.M. Sa | Process to stop and/or prevent the spreading of peat fires |
| US10188883B2 (en) * | 2012-01-09 | 2019-01-29 | S.P.C.M. Sa | Process to stop and/or prevent the spreading of peat fires |
| CN108310702A (en) * | 2018-02-10 | 2018-07-24 | 佛山市建金建电子科技有限公司 | A kind of aviation ball explosion-protection equipment |
| CN108310702B (en) * | 2018-02-10 | 2020-03-31 | 南京华剑兵科智能装备有限公司 | Aviation ball explosion-proof equipment |
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