GB454180A - Improvements in or relating to hydraulic cartridges - Google Patents
Improvements in or relating to hydraulic cartridgesInfo
- Publication number
- GB454180A GB454180A GB1558735A GB1558735A GB454180A GB 454180 A GB454180 A GB 454180A GB 1558735 A GB1558735 A GB 1558735A GB 1558735 A GB1558735 A GB 1558735A GB 454180 A GB454180 A GB 454180A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bars
- ram
- mines
- cylinders
- flat
- Prior art date
- 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
Links
- 230000000717 retained effect Effects 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/08—Devices with pistons, plungers, or the like, pressed locally against the wall of the borehole
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)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
454,180. Breaking - down appliances for mines &c. GULLICK, Ltd., 3, King Street, Wigan, and SEAMAN, T., 153, Twentywell Lane, Dore, Sheffield. May 29, 1935, No. 15587. [Class 68 (i)] In a hydraulic breaking-down appliance for mines &c., comprising a body 10 with one or more cylinders 11 each containing a ram 12, the rams are of full cylinder diameter with a flat 15, or opposed flats, terminating in a shoulder 16, each flat being engaged by a transverse bar 18 forced into an aperture 17 to limit the stroke of the ram. The ends of the bars 18 are chamfered to the contour of the body 10. In another form, the bars 18 are arranged longitudinally of the body and are common to all the cylinders. In other forms, the bars are screwed into the body or the apertures therefor extend inwardly from one side of the body only. In Fig. 6, a telescopic ram is provided, the outer ram member 24 being retained by bars 27 and carrying bars 30 for retaining the inner ram member 26.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1558735A GB454180A (en) | 1935-05-29 | 1935-05-29 | Improvements in or relating to hydraulic cartridges |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1558735A GB454180A (en) | 1935-05-29 | 1935-05-29 | Improvements in or relating to hydraulic cartridges |
Publications (1)
Publication Number | Publication Date |
---|---|
GB454180A true GB454180A (en) | 1936-09-25 |
Family
ID=10061795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1558735A Expired GB454180A (en) | 1935-05-29 | 1935-05-29 | Improvements in or relating to hydraulic cartridges |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB454180A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5020422A (en) * | 1990-01-29 | 1991-06-04 | Sims James O | Piston/cylinder assembly |
-
1935
- 1935-05-29 GB GB1558735A patent/GB454180A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5020422A (en) * | 1990-01-29 | 1991-06-04 | Sims James O | Piston/cylinder assembly |
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