FR847184A - Vacuum furnace, electrically heated, for annealing and melting metallic and non-metallic charges - Google Patents

Vacuum furnace, electrically heated, for annealing and melting metallic and non-metallic charges

Info

Publication number: FR847184A
Authority: FR; France
Prior art keywords: metallic; annealing; electrically heated; vacuum furnace; charges
Prior art date: 1938-01-25
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

Inventor

Bernhard Berghaus

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.)

1938-01-25

Filing date

1938-12-06

Publication date

1939-10-04

1938-12-06 Application filed filed Critical

1939-10-04 Application granted granted Critical

1939-10-04 Publication of FR847184A publication Critical patent/FR847184A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
- H01J37/32018—Glow discharge

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Plasma & Fusion (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Furnace Details (AREA)

FR847184D 1938-01-25 1938-12-06 Vacuum furnace, electrically heated, for annealing and melting metallic and non-metallic charges Expired FR847184A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE207018X		1938-01-25

Publications (1)

Publication Number	Publication Date
FR847184A true FR847184A (en)	1939-10-04

Family

ID=5793483

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR847184D Expired FR847184A (en)	1938-01-25	1938-12-06	Vacuum furnace, electrically heated, for annealing and melting metallic and non-metallic charges

Country Status (3)

Country	Link
US (1)	US2371278A (en)
CH (1)	CH207018A (en)
FR (1)	FR847184A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3019358A (en) *	1952-05-09	1962-01-30	Ohmart Corp	Radioative battery with chemically dissimilar electrodes
US2935395A (en) *	1955-02-21	1960-05-03	Stauffer Chemical Co	High vacuum metallurgical apparatus and method
CH349284A (en) *	1955-11-22	1960-10-15	Berghaus Elektrophysik Anst	Method and device for treating the surface of bodies
US2958719A (en) *	1958-09-18	1960-11-01	Nat Res Corp	Production of metal
US3020032A (en) *	1959-04-06	1962-02-06	Selas Corp Of America	Vacuum furnace
US3190772A (en) *	1960-02-10	1965-06-22	Berghaus Bernhard	Method of hardening work in an electric glow discharge

0
- US US2371278D patent/US2371278A/en not_active Expired - Lifetime
1938
- 1938-11-09 CH CH207018D patent/CH207018A/en unknown
- 1938-12-06 FR FR847184D patent/FR847184A/en not_active Expired

Also Published As

Publication number	Publication date
CH207018A (en)	1939-09-15
US2371278A (en)	1945-03-13

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