KR880016409U - Improved trough for link chain conveyors - Google Patents
Improved trough for link chain conveyorsInfo
- Publication number
- KR880016409U KR880016409U KR2019870001155U KR870001155U KR880016409U KR 880016409 U KR880016409 U KR 880016409U KR 2019870001155 U KR2019870001155 U KR 2019870001155U KR 870001155 U KR870001155 U KR 870001155U KR 880016409 U KR880016409 U KR 880016409U
- Authority
- KR
- South Korea
- Prior art keywords
- link chain
- chain conveyors
- improved trough
- trough
- improved
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/08—Shifting conveyors or other transport devices from one location at the working face to another
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/02—Transport of mined mineral in galleries
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structure Of Belt Conveyors (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870001155U KR900011115Y1 (en) | 1987-02-03 | 1987-02-03 | Trouper of link chain conveyer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019870001155U KR900011115Y1 (en) | 1987-02-03 | 1987-02-03 | Trouper of link chain conveyer |
Publications (2)
Publication Number | Publication Date |
---|---|
KR880016409U true KR880016409U (en) | 1988-10-08 |
KR900011115Y1 KR900011115Y1 (en) | 1990-12-15 |
Family
ID=19259422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019870001155U KR900011115Y1 (en) | 1987-02-03 | 1987-02-03 | Trouper of link chain conveyer |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900011115Y1 (en) |
-
1987
- 1987-02-03 KR KR2019870001155U patent/KR900011115Y1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR900011115Y1 (en) | 1990-12-15 |
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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 | ||
J204 | Request for invalidation trial [patent] | ||
J2X1 | Appeal (before the patent court) |
Free format text: INVALIDATION IN ENTIRETY |
|
J2X2 | Appeal (before the supreme court) |
Free format text: APPEAL BEFORE THE SUPREME COURT FOR INVALIDATION IN ENTIRETY REQUESTED 19960228 Effective date: 19970613 |
|
J222 | Remand (patent court) |
Free format text: REMAND (PATENT COURT) FOR INVALIDATION IN ENTIRETY |
|
EXTG | Extinguishment |