FR2447604A1 - GETTING METHOD AND DEVICE FOR MAINTAINING A VACUUM - Google Patents

GETTING METHOD AND DEVICE FOR MAINTAINING A VACUUM

Info

Publication number
FR2447604A1
FR2447604A1 FR8001542A FR8001542A FR2447604A1 FR 2447604 A1 FR2447604 A1 FR 2447604A1 FR 8001542 A FR8001542 A FR 8001542A FR 8001542 A FR8001542 A FR 8001542A FR 2447604 A1 FR2447604 A1 FR 2447604A1
Authority
FR
France
Prior art keywords
vacuum
maintaining
getting method
getter
getter material
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Withdrawn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
FR8001542A
Other languages
French (fr)
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.)
Messer Griesheim GmbH
Original Assignee
Messer Griesheim 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 Messer Griesheim GmbH filed Critical Messer Griesheim GmbH
Publication of FR2447604A1 publication Critical patent/FR2447604A1/en
Withdrawn legal-status Critical Current

Links

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
    • F17C3/00Vessels not under pressure
    • F17C3/02Vessels not under pressure with provision for thermal insulation
    • F17C3/08Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18Means for absorbing or adsorbing gas, e.g. by gettering
    • 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
    • F17C2203/03Thermal insulations
    • F17C2203/0391Thermal insulations by vacuum
    • F17C2203/0395Getter
    • 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
    • F17C2203/0626Multiple walls
    • F17C2203/0629Two walls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2265/00Safety or protection arrangements; Arrangements for preventing malfunction
    • F28F2265/16Safety or protection arrangements; Arrangements for preventing malfunction for preventing leakage

Abstract

A.PROCEDE ET DISPOSITIF DE GETTER POUR LE MAINTIEN D'UN VIDE. B.PROCEDE CARACTERISE EN CE QUE LE MATERIAU GETTER EST INTRODUIT A DECOUVERT DANS LA PARTIE DU RECIPIENT OU IL EST PREVU DE FAIRE LE VIDE ET QUE PENDANT QUE L'ON FAIT LE VIDE EN CETTE PARTIE, LE MATERIAU GETTER EST ACTIVE PAR ECHAUFFEMENT EXTERIEUR. C.L'INVENTION S'APPLIQUE NOTAMMENT A LA FABRICATION DES RECIPIENTS CRYOGENIQUES.A.PROCEDE AND DEVICE OF GETTER FOR MAINTAINING A VACUUM. B. PROCESS CHARACTERIZED IN THAT THE GETTER MATERIAL IS INTRODUCED UNDOVERED IN THE PART OF THE CONTAINER WHERE THE VACUUM IS PROVIDED TO BE CREATED AND WHILE THE VACUUM IS DONE IN THIS PART, THE GETTER MATERIAL IS ACTIVATED BY EXTERNAL HEATING. C. THE INVENTION APPLIES IN PARTICULAR TO THE MANUFACTURE OF CRYOGENIC CONTAINERS.

FR8001542A 1979-01-24 1980-01-24 GETTING METHOD AND DEVICE FOR MAINTAINING A VACUUM Withdrawn FR2447604A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792902623 DE2902623A1 (en) 1979-01-24 1979-01-24 METHOD AND GRID ARRANGEMENT FOR MAINTAINING A VACUUM

Publications (1)

Publication Number Publication Date
FR2447604A1 true FR2447604A1 (en) 1980-08-22

Family

ID=6061288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8001542A Withdrawn FR2447604A1 (en) 1979-01-24 1980-01-24 GETTING METHOD AND DEVICE FOR MAINTAINING A VACUUM

Country Status (5)

Country Link
DE (1) DE2902623A1 (en)
FR (1) FR2447604A1 (en)
GB (1) GB2044523A (en)
IT (1) IT1129963B (en)
SE (1) SE8000007L (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2552933A1 (en) * 1983-09-30 1985-04-05 Outokumpu Oy PROCESS FOR ACTIVATION OF A GAS PHASE STABILIZER PLACED IN A PROPORTIONAL GAS FILLER COUNTER
WO1993025843A1 (en) * 1992-06-08 1993-12-23 Saes Getters S.P.A. Process for evacuating a thermally insulating jacket, in particular the jacket of a dewar or of another cryogenic device
WO1993025842A1 (en) * 1992-06-08 1993-12-23 Saes Getters S.P.A. Process for evacuating a thermally insulating jacket in particular the jacket of a dewar or of another cryogenic device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4443079C2 (en) * 1994-12-03 1996-10-31 Messer Griesheim Gmbh Process for evaporating cryogenic liquefied gases
SE9700612D0 (en) 1997-02-20 1997-02-20 Cecap Ab Sensor element with integrated reference pressure
DE102007016974B4 (en) * 2007-04-10 2017-06-22 Bayerische Motoren Werke Aktiengesellschaft Behälterysstem with a vacuum insulation sheath, in particular vehicle cryotank

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2552933A1 (en) * 1983-09-30 1985-04-05 Outokumpu Oy PROCESS FOR ACTIVATION OF A GAS PHASE STABILIZER PLACED IN A PROPORTIONAL GAS FILLER COUNTER
WO1993025843A1 (en) * 1992-06-08 1993-12-23 Saes Getters S.P.A. Process for evacuating a thermally insulating jacket, in particular the jacket of a dewar or of another cryogenic device
WO1993025842A1 (en) * 1992-06-08 1993-12-23 Saes Getters S.P.A. Process for evacuating a thermally insulating jacket in particular the jacket of a dewar or of another cryogenic device

Also Published As

Publication number Publication date
IT1129963B (en) 1986-06-11
IT8019152A0 (en) 1980-01-11
GB2044523A (en) 1980-10-15
SE8000007L (en) 1980-07-25
DE2902623A1 (en) 1980-07-31

Similar Documents

Publication Publication Date Title
DE2963119D1 (en) Process for the preparation of aqueous dispersions or solutions of polyurethane-polyurea and their use
DE3670446D1 (en) CONTROLLED RELEASE DEVICE.
GB1497517A (en) Freeze drying process
FR2447604A1 (en) GETTING METHOD AND DEVICE FOR MAINTAINING A VACUUM
EP0355160A4 (en) Medical branch tube openable upon fracture.
IL57596A (en) Process for the purification and concentration of urokinase
GB1507243A (en) 13-l-leucine-14-desamide-motilin a method of preparing it and an agent containing it
ES476090A1 (en) Process for producing food proteins from Trichoderma Album
DE59103544D1 (en) DEVICE FOR POSITION MEASUREMENT.
GB1413357A (en) One-piece drawn needle-bearing bush
GB2061904A (en) Method of processing diamonds
JPS5278602A (en) Vacuum degassing of molten metal
Bearder et al. Origin of the oxygen atoms in the lactone bridge of C 19-gibberellins
ES8507353A1 (en) Process for the separation of arsenic from acid solutions containing it
Harger Preparation of N-(diphenylphosphinyl) hydroxylamine and lossen-like rearrangement of its O-methanesulphonate
USD212672S (en) Figure
Kaufmann et al. Photolysis of 3-triphenylmethyl-Δ 2-isoxazolines: a new method for CC-double bond cleavage
De Rosa et al. A terpenoid 4, 7-thianaphthenequinone from an extremely thermophilic and acidophilic micro-organism
USD193531S (en) Package for popcorn and liquid therefor
GB1243890A (en) Improvements in or relating to the epitaxial deposition of inorganic material on a surface of a silicon crystal
GB1147640A (en) Improvements in or relating to sterilisation of powders
deJong et al. Molecular activation analysis for methylmercury compounds
JPS51115985A (en) Container for cultivating and testing of microorganisms
GB1081810A (en) Process for the treatment of municipal refuse
JPS5236504A (en) Process for producing ingot of chromium or chromium alloy

Legal Events

Date Code Title Description
ST Notification of lapse