KR920012090U - Closed valve mask opening / closing device - Google Patents
Closed valve mask opening / closing deviceInfo
- Publication number
- KR920012090U KR920012090U KR2019900020872U KR900020872U KR920012090U KR 920012090 U KR920012090 U KR 920012090U KR 2019900020872 U KR2019900020872 U KR 2019900020872U KR 900020872 U KR900020872 U KR 900020872U KR 920012090 U KR920012090 U KR 920012090U
- Authority
- KR
- South Korea
- Prior art keywords
- closing device
- closed valve
- mask opening
- valve mask
- opening
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900020872U KR930004748Y1 (en) | 1990-12-26 | 1990-12-26 | Opening and shutting apparatus of waste heat valve mask |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019900020872U KR930004748Y1 (en) | 1990-12-26 | 1990-12-26 | Opening and shutting apparatus of waste heat valve mask |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920012090U true KR920012090U (en) | 1992-07-25 |
KR930004748Y1 KR930004748Y1 (en) | 1993-07-23 |
Family
ID=19307738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019900020872U KR930004748Y1 (en) | 1990-12-26 | 1990-12-26 | Opening and shutting apparatus of waste heat valve mask |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR930004748Y1 (en) |
-
1990
- 1990-12-26 KR KR2019900020872U patent/KR930004748Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR930004748Y1 (en) | 1993-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19980629 Year of fee payment: 6 |
|
LAPS | Lapse due to unpaid annual fee |