US3844355A - Pressure containers - Google Patents

Pressure containers Download PDF

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Publication number
US3844355A
US3844355A US00367297A US36729773A US3844355A US 3844355 A US3844355 A US 3844355A US 00367297 A US00367297 A US 00367297A US 36729773 A US36729773 A US 36729773A US 3844355 A US3844355 A US 3844355A
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US
United States
Prior art keywords
bush
valve body
valve
pressure container
container
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
US00367297A
Other languages
English (en)
Inventor
C Kreipe
H Peckmann
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.)
Novelis Deutschland GmbH
Original Assignee
Alcan Aluminiumwerke GmbH
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 Alcan Aluminiumwerke GmbH filed Critical Alcan Aluminiumwerke GmbH
Application granted granted Critical
Publication of US3844355A publication Critical patent/US3844355A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/42—Filling or charging means
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
    • A62C13/76—Details or accessories
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J12/00—Pressure vessels in general
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/14—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of aluminium; constructed of non-magnetic steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0114—Shape cylindrical with interiorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0617—Single wall with one layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0157—Details of mounting arrangements for transport
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/018—Supporting feet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0308—Protective caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
    • F17C2205/0397—Arrangement of valves, regulators, filters in direct contact with the pressure vessel on both sides of the pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS 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
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0754—Fire extinguishers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/22—Seamless

Definitions

  • a seamless pressure container extruded from lowdensity metal includes a bush which extends into the interior of the container and which is integrally formed with the container, and a valve body sealingly fitted in the bush.
  • the pressure container is part of a portable fire extinguisher and the valve body is that of a filling and test valve for the extinguisher the bush is positioned centrally of an inwardly-domed base part of the container.
  • This invention relates to a seamless extruded metal pressure container, particularly of the kind used in fire extinguishers.
  • Portable or hand fire extinguishers often have a supplementary filling and testing valve at the base of the container or on the spray valve.
  • the standardized valves as normally fitted on automobile tyres are generally used for this purpose.
  • the case or valve body of this type of valve is normally fitted in a housing which is secured to the pressure container by screwing or soldering. This method of attachment is very expensive.
  • An object of the invention is to simplify and improve the fitting and attachment of a filling and test valve to extruded seamless metal pressure containers.
  • a seamless extruded metal pressure container has a bush which extends into the interior of the container and which is integrally formed with the container, and a valve body sealingly fitted in said bush.
  • the valve body can be tightly secured in the bush for example by being pressed or screwed into it.
  • the bush and the valve are disposed in the middle of the base of the container and the base is inwardly domed in such manner that the outwardly projecting end of the valve body (and the valve cap which may be screwed onto this end) terminate above the plane on which the container stands when on the floor or ground.
  • the cylindrical surface of the valve case pressed into the bush may be provided with a continuous screw-thread for example, or has other anchoring means formed by undercut portions such as ribs or conical surfaces.
  • FIG. 1 is a side view, partly in longitudinal section, of a pressure container of a fire extinguisher
  • FIG. 2 is a longitudinal section of the bush and part of the valve body of the pressure container of FIG. 1,
  • FIG. 3 is a view similar to that of FIG. 2 ofa modified arrangement
  • FIG. 4 is another similar view of another arrangement
  • FIG. 5 is a longitudinal sectional view of the lower part of another pressure container.
  • FIG. 1 shows a seamless pressure container 1 for hand fire extinguishers, extruded in low density metal.
  • the base 7 of the container is inwardly domed. At its centre the base has an inwardly-projecting bush 2 into which is tightly screwed a valve body or case 3.
  • the outwardly-projecting lower end of the valve case 3 on which a valve cap (not illustrated) is normally screwed terminates above the plane on which the container 1 stands on the ground or floor, as does the valve cap when screwed onto this end.
  • FIG. 2 shows, on a larger scale, the base 7 of the container, the bush 2, the valve case 3 and a screw-thread 4 on the valve case.
  • FIG. 3 illustrates a modified arrangement in which only the outwardly projecting end of the valve case on which the valve cap is screwed is provided with a screw-thread 4; that part of the valve case pressed into the bush 2 is provided with a number of circular ribs 5.
  • FIG. 5 is a longitudinal section through the lower part of another pressure container 9, the base of which is likewise inwardly domed. At its centre this base has an inwardly projecting bush 8 which has an internal screwthread 10.
  • a valve, not illustrated, can be tightly screwed into this threaded part, the case of the valve having a continuous external thread such as that illustrated in FIG. 2.
  • a metal pressure container compfisirfgi a. a seamless wall forming said container, said wall having an inwardly domed base portion,
  • valve body sealingly fitted in said passageway such that an outwardly projecting end of said valve body terminates above the plane defined by the bottom of said base portion.
  • a fire extinguisher having a pressure container according to claim 1 including a filling and test valve wherein the case of said valve comprises said valve body fitted in said bush.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Safety Valves (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
US00367297A 1972-06-13 1973-06-05 Pressure containers Expired - Lifetime US3844355A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7222066 1972-06-13

Publications (1)

Publication Number Publication Date
US3844355A true US3844355A (en) 1974-10-29

Family

ID=6630902

Family Applications (1)

Application Number Title Priority Date Filing Date
US00367297A Expired - Lifetime US3844355A (en) 1972-06-13 1973-06-05 Pressure containers

Country Status (4)

Country Link
US (1) US3844355A (cg-RX-API-DMAC7.html)
FR (1) FR2188754A5 (cg-RX-API-DMAC7.html)
GB (1) GB1422843A (cg-RX-API-DMAC7.html)
IT (1) IT982836B (cg-RX-API-DMAC7.html)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121528A (en) * 1973-10-11 1978-10-24 Amado Jr Juan Jose Method of construction of a container with integral valve boss
WO1994023799A1 (en) * 1993-04-20 1994-10-27 Pistek Vaclav Pressure container, especially for a fire-extinguishing agent
FR2829399A1 (fr) * 2001-09-13 2003-03-14 Usines Desautel Sa Procede de remplissage d'un extincteur, et extincteur pour la mise en oeuvre de ce procede
EP1464589A1 (de) * 2003-02-21 2004-10-06 Nussbaum Rielasingen GmbH Verfahren zum Herstellen einer Dose und Dose
WO2006038046A1 (en) * 2004-10-04 2006-04-13 Zoran Bonacin Compressed-air fire extinguisher
CZ306340B6 (cs) * 2015-08-19 2016-12-07 VĂŤTKOVICE CYLINDERS a.s. Způsob výroby vysokotlaké bezešvé ocelové láhve s druhým vnitřním hrdlem
US20170001050A1 (en) * 2015-06-30 2017-01-05 Kronebusch Industries, Llc Fire extinguisher with recessed gauge
DE112008004073B4 (de) * 2008-11-11 2017-10-19 Toyota Jidosha Kabushiki Kaisha Tank
USD813673S1 (en) * 2015-06-30 2018-03-27 Kronebusch Industries, Llc Spray container

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3741628A1 (de) * 1987-12-04 1989-06-15 Mannesmann Ag Flasche mit konkavboden und verfahren zur herstellung desselben
CN104930346A (zh) * 2015-06-09 2015-09-23 大连理工大学 一种新的钢质无缝气瓶凹形底

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2539929A (en) * 1948-02-04 1951-01-30 Sparklets Ltd Apparatus for dispensing fluids from a container under pressure
US2819764A (en) * 1956-04-05 1958-01-14 Specialties Dev Corp Fire extinguishing apparatus
US3005495A (en) * 1957-12-16 1961-10-24 Herberg Ernst Hand fire extinguishers
US3024936A (en) * 1958-05-09 1962-03-13 Thompson Ramo Wooldridge Inc Pressure vessels and method of making same
US3181589A (en) * 1963-03-07 1965-05-04 Warren Petroleum Corp Apparatus for the storage and burning of a fluid under pressure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2539929A (en) * 1948-02-04 1951-01-30 Sparklets Ltd Apparatus for dispensing fluids from a container under pressure
US2819764A (en) * 1956-04-05 1958-01-14 Specialties Dev Corp Fire extinguishing apparatus
US3005495A (en) * 1957-12-16 1961-10-24 Herberg Ernst Hand fire extinguishers
US3024936A (en) * 1958-05-09 1962-03-13 Thompson Ramo Wooldridge Inc Pressure vessels and method of making same
US3181589A (en) * 1963-03-07 1965-05-04 Warren Petroleum Corp Apparatus for the storage and burning of a fluid under pressure

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121528A (en) * 1973-10-11 1978-10-24 Amado Jr Juan Jose Method of construction of a container with integral valve boss
WO1994023799A1 (en) * 1993-04-20 1994-10-27 Pistek Vaclav Pressure container, especially for a fire-extinguishing agent
FR2829399A1 (fr) * 2001-09-13 2003-03-14 Usines Desautel Sa Procede de remplissage d'un extincteur, et extincteur pour la mise en oeuvre de ce procede
EP1464589A1 (de) * 2003-02-21 2004-10-06 Nussbaum Rielasingen GmbH Verfahren zum Herstellen einer Dose und Dose
WO2006038046A1 (en) * 2004-10-04 2006-04-13 Zoran Bonacin Compressed-air fire extinguisher
DE112008004073B4 (de) * 2008-11-11 2017-10-19 Toyota Jidosha Kabushiki Kaisha Tank
US20170001050A1 (en) * 2015-06-30 2017-01-05 Kronebusch Industries, Llc Fire extinguisher with recessed gauge
USD813673S1 (en) * 2015-06-30 2018-03-27 Kronebusch Industries, Llc Spray container
US10159862B2 (en) * 2015-06-30 2018-12-25 Kronebusch Industries, Llc Fire extinguisher with recessed gauge
CZ306340B6 (cs) * 2015-08-19 2016-12-07 VĂŤTKOVICE CYLINDERS a.s. Způsob výroby vysokotlaké bezešvé ocelové láhve s druhým vnitřním hrdlem

Also Published As

Publication number Publication date
FR2188754A5 (cg-RX-API-DMAC7.html) 1974-01-18
IT982836B (it) 1974-10-21
GB1422843A (en) 1976-01-28

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