NL161330C - Elektro-thermische reductie-oven met holle elektrode en blokkeerinrichting. - Google Patents
Elektro-thermische reductie-oven met holle elektrode en blokkeerinrichting.Info
- Publication number
- NL161330C NL161330C NL6914563.A NL6914563A NL161330C NL 161330 C NL161330 C NL 161330C NL 6914563 A NL6914563 A NL 6914563A NL 161330 C NL161330 C NL 161330C
- Authority
- NL
- Netherlands
- Prior art keywords
- electro
- locking device
- thermal reduction
- hollow electrode
- reduction oven
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B7/00—Heating by electric discharge
- H05B7/02—Details
- H05B7/06—Electrodes
- H05B7/08—Electrodes non-consumable
- H05B7/085—Electrodes non-consumable mainly consisting of carbon
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/90—Carbides
- C01B32/914—Carbides of single elements
- C01B32/942—Calcium carbide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Discharge Heating (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681783075 DE1783075B1 (de) | 1968-09-28 | 1968-09-28 | Hohlelektroden-Absperrvorrichtung |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6914563A NL6914563A (nl) | 1970-04-01 |
NL161330B NL161330B (nl) | 1979-08-15 |
NL161330C true NL161330C (nl) | 1980-01-15 |
Family
ID=5705294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6914563.A NL161330C (nl) | 1968-09-28 | 1969-09-25 | Elektro-thermische reductie-oven met holle elektrode en blokkeerinrichting. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3564103A (nl) |
JP (1) | JPS493093B1 (nl) |
BE (1) | BE739325A (nl) |
DE (1) | DE1783075B1 (nl) |
FR (1) | FR2019110A1 (nl) |
GB (1) | GB1224159A (nl) |
NL (1) | NL161330C (nl) |
NO (1) | NO122505B (nl) |
SU (1) | SU406367A3 (nl) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3841355A (en) * | 1972-06-16 | 1974-10-15 | G Laner | Pipe plugging tool |
RO57165A2 (nl) * | 1972-09-29 | 1974-12-15 | ||
AT335189B (de) * | 1975-03-04 | 1977-02-25 | Donau Chemie Ag | Vorrichtung zum gasdichten absperren des innenrohres der hohlelektrode eines elektrothermischen schmelzofens |
DE3318475A1 (de) * | 1983-05-18 | 1984-11-29 | Mannesmann AG, 4000 Düsseldorf | Beschickungsvorrichtung fuer elektrooefen |
US5240031A (en) * | 1992-11-09 | 1993-08-31 | Vigil David J | Inflatable bladder valve for irrigation pipe |
US5285806A (en) * | 1992-12-30 | 1994-02-15 | Public Service Company Of Colorado | Method and apparatus for temporarily sealing off pipelines |
GB2289513B (en) * | 1994-05-11 | 1998-11-25 | British Gas Plc | Pipe blocking technique |
AUPN581595A0 (en) * | 1995-10-05 | 1995-10-26 | Water Corporation, The | Linestopper |
US6516832B1 (en) * | 2001-09-06 | 2003-02-11 | Brian D. Myers | Method and apparatus for testing plumbing |
JP2004205035A (ja) * | 2002-12-13 | 2004-07-22 | Bridgestone Corp | 管体等のシール装置 |
US7021337B2 (en) * | 2004-02-27 | 2006-04-04 | Markham Allen R | Plumbing test plug and method |
GB201122339D0 (en) * | 2011-12-24 | 2012-02-01 | Chimsoc Ltd | Inflatable devices for blocking chimney flues or other ducts |
US10190307B1 (en) * | 2012-03-13 | 2019-01-29 | Joseph Wilson | Basement sewer drain recovery and discharge device |
US10801657B2 (en) * | 2017-02-23 | 2020-10-13 | Operations Technology Development, Nfp | Detachable system to shut off pressure flow in pipes |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB337995A (en) * | 1928-11-27 | 1930-11-13 | Vaw Ver Aluminium Werke Ag | Improvements in and relating to the electrolytic production of aluminium |
US2678666A (en) * | 1949-08-08 | 1954-05-18 | Harold T Theis | Inflatable plug bag for testing plumbing |
DE1257308B (de) * | 1965-10-29 | 1967-12-28 | Sueddeutsche Kalkstickstoff | Lichtbogenschmelzofen mit Stoffzufuhr durch Hohlelektroden |
US3471626A (en) * | 1968-03-21 | 1969-10-07 | Union Carbide Corp | Hollow electrode control device |
-
1968
- 1968-09-28 DE DE19681783075 patent/DE1783075B1/de active Pending
-
1969
- 1969-08-26 US US853098A patent/US3564103A/en not_active Expired - Lifetime
- 1969-09-10 GB GB44770/69A patent/GB1224159A/en not_active Expired
- 1969-09-24 BE BE739325D patent/BE739325A/xx unknown
- 1969-09-24 SU SU1368396A patent/SU406367A3/ru active
- 1969-09-24 FR FR6932597A patent/FR2019110A1/fr active Pending
- 1969-09-25 NL NL6914563.A patent/NL161330C/nl not_active IP Right Cessation
- 1969-09-27 NO NO3862/69A patent/NO122505B/no unknown
- 1969-09-29 JP JP44077347A patent/JPS493093B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL6914563A (nl) | 1970-04-01 |
DE1783075B1 (de) | 1970-06-04 |
BE739325A (nl) | 1970-03-24 |
FR2019110A1 (nl) | 1970-06-26 |
NO122505B (nl) | 1971-07-05 |
NL161330B (nl) | 1979-08-15 |
US3564103A (en) | 1971-02-16 |
JPS493093B1 (nl) | 1974-01-24 |
SU406367A3 (nl) | 1973-11-05 |
GB1224159A (en) | 1971-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: HOECHST |