CH533730A - Device for loosening, loading and removing the debris during pipe pre-pressing operation - Google Patents
Device for loosening, loading and removing the debris during pipe pre-pressing operationInfo
- Publication number
- CH533730A CH533730A CH1173471A CH1173471A CH533730A CH 533730 A CH533730 A CH 533730A CH 1173471 A CH1173471 A CH 1173471A CH 1173471 A CH1173471 A CH 1173471A CH 533730 A CH533730 A CH 533730A
- Authority
- CH
- Switzerland
- Prior art keywords
- loosening
- loading
- pressing operation
- during pipe
- debris during
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712119228 DE2119228C3 (en) | 1971-04-21 | Device for loosening, loading and conveying away the debris during pipe pre-pressing operation |
Publications (1)
Publication Number | Publication Date |
---|---|
CH533730A true CH533730A (en) | 1973-02-15 |
Family
ID=5805286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1173471A CH533730A (en) | 1971-04-21 | 1971-08-10 | Device for loosening, loading and removing the debris during pipe pre-pressing operation |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5742800B1 (en) |
AT (1) | AT309360B (en) |
CH (1) | CH533730A (en) |
FR (1) | FR2110941A5 (en) |
GB (1) | GB1382921A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2720380C2 (en) * | 1977-05-06 | 1986-01-23 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Tunneling machine |
DE2911705A1 (en) * | 1979-03-24 | 1980-10-02 | Gewerk Eisenhuette Westfalia | PITCHING MACHINE FOR DEEP OR UNDERGROUND MINING |
-
1971
- 1971-07-29 AT AT663771A patent/AT309360B/en not_active IP Right Cessation
- 1971-08-10 CH CH1173471A patent/CH533730A/en not_active IP Right Cessation
- 1971-10-04 FR FR7135596A patent/FR2110941A5/fr not_active Expired
-
1972
- 1972-04-12 GB GB1685572A patent/GB1382921A/en not_active Expired
- 1972-04-21 JP JP3973972A patent/JPS5742800B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
AT309360B (en) | 1973-08-10 |
GB1382921A (en) | 1975-02-05 |
FR2110941A5 (en) | 1972-06-02 |
DE2119228B2 (en) | 1977-02-24 |
JPS5742800B1 (en) | 1982-09-10 |
DE2119228A1 (en) | 1972-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |