FR859798A - Procédé permettant de sceller dans le verre un objet en tungstène - Google Patents

Procédé permettant de sceller dans le verre un objet en tungstène

Info

Publication number: FR859798A
Authority: FR; France
Prior art keywords: sealing; glass; tungsten; tungsten object
Prior art date: 1938-07-04
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

Application number

Other languages

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1938-07-04

Filing date

1939-07-03

Publication date

1940-12-28

1939-07-03 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1940-12-28 Application granted granted Critical

1940-12-28 Publication of FR859798A publication Critical patent/FR859798A/fr

Status Expired legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/02—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing by fusing glass directly to metal

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Materials Engineering (AREA)
Geochemistry & Mineralogy (AREA)
General Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Life Sciences & Earth Sciences (AREA)
Ceramic Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Glass Compositions (AREA)
Joining Of Glass To Other Materials (AREA)

FR859798D 1938-07-04 1939-07-03 Procédé permettant de sceller dans le verre un objet en tungstène Expired FR859798A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL88668		1938-07-04

Publications (1)

Publication Number	Publication Date
FR859798A true FR859798A (fr)	1940-12-28

Family

ID=33095790

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR859798D Expired FR859798A (fr)	1938-07-04	1939-07-03	Procédé permettant de sceller dans le verre un objet en tungstène

Country Status (4)

Country	Link
CH (1)	CH214491A (fr)
DE (1)	DE1077840B (fr)
FR (1)	FR859798A (fr)
GB (1)	GB531688A (fr)

1939
- 1939-07-01 GB GB1922239A patent/GB531688A/en not_active Expired
- 1939-07-03 DE DEP2153D patent/DE1077840B/de active Pending
- 1939-07-03 FR FR859798D patent/FR859798A/fr not_active Expired
- 1939-07-03 CH CH214491D patent/CH214491A/de unknown

Also Published As

Publication number	Publication date
DE1077840B (de)	1960-03-17
CH214491A (de)	1941-04-30
GB531688A (en)	1941-01-09

Similar Documents

Publication	Publication Date	Title
FR832700A (fr)	1938-09-30	Procédé de polymérisation
FR857385A (fr)	1940-09-09	Procédé permettant de sceller dans le verre un objet en molybdène
FR857723A (fr)	1940-09-26	Procédé permettant de sceller dans le verre un objet en tungstène
FR863075A (fr)	1941-03-22	Objet en verre et procédé pour le fabriquer
FR843903A (fr)	1939-07-12	Procédé de polymérisation
FR868326A (fr)	1941-12-27	Procédé de préparation de substances plastiques
FR869448A (fr)	1942-02-02	Procédé de fabrication de substances luminescentes
FR876135A (fr)	1942-10-28	Procédé pour alcaliniser et sulfurer la cellulose en une seule opération
FR845373A (fr)	1939-08-21	Procédé de dissociation de minerais de zircone
FR868299A (fr)	1941-12-26	Procédé permettant d'introduire le baryum dans un espace fermé
CH205252A (fr)	1939-06-15	Procédé de brasage.
FR877669A (fr)	1942-12-14	Procédé pour préparer de la viscose en une seule opération
FR867818A (fr)	1941-11-29	Procédé de fabrication de verre
FR48638E (fr)	1938-04-19	Procédé de fabrication de matières colorantes
FR862157A (fr)	1941-02-28	Procédé pour plastifier la zéine
FR841525A (fr)	1939-05-22	Procédé de réduction de matières cuprifères
FR836412A (fr)	1939-01-18	Procédé de décoration des pièces en verre
FR872519A (fr)	1942-06-11	Procédé permettant d'isoler une substance chorionique
FR844496A (fr)	1939-07-26	Procédé de télécinématographie
AT173038B (de)	1952-11-10	Verfahren zur Einschmelzung von Wolframgegenständen in Glas
FR845602A (fr)	1939-08-29	Procédé pour traiter le semi-coke
CH206391A (de)	1939-08-15	Verfahren zum Herstellen von gehärteten Glasgegenständen.
FR837677A (fr)	1939-02-15	Procédé de fabrication de récipients à enveloppe mince
FR839990A (fr)	1939-04-17	Procédé de teinture
FR839310A (fr)	1939-03-31	Procédé de chargement pour cubilots