GB770331A - Reutilisable blasting assemblies - Google Patents
Reutilisable blasting assembliesInfo
- Publication number
- GB770331A GB770331A GB27633/54A GB2763354A GB770331A GB 770331 A GB770331 A GB 770331A GB 27633/54 A GB27633/54 A GB 27633/54A GB 2763354 A GB2763354 A GB 2763354A GB 770331 A GB770331 A GB 770331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- borehole
- jacket
- pressure
- gas
- water
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B23/00—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else
- A47B23/04—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else supported from table, floor or wall
- A47B23/041—Bed-tables; Trays; Reading-racks; Book-rests, i.e. items used in combination with something else supported from table, floor or wall with a part resting on the floor and another leaning on the person
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B3/00—Blasting cartridges, i.e. case and explosive
- F42B3/04—Blasting cartridges, i.e. case and explosive for producing gas under pressure
- F42B3/06—Blasting cartridges, i.e. case and explosive for producing gas under pressure with re-utilisable case
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Fluid Pressure (AREA)
- Earth Drilling (AREA)
Abstract
770,331. Fluid-pressure blasting devices. IMPERIAL CHEMICAL INDUSTRIES, Ltd. July 8, 1955 [Sept. 24, 1954], No. 27638/54. Class 9 (1). A fluid-pressure blasting device 5 having a chamber 11 into which gas is fed through an inlet 12 until the pressure on a closure valve 25 is sufficient to rupture a cotter pin 27 extending through the valve stem 26 is provided with a jacket 17 into which water is led through an inlet 18. From the jacket, the water escapes through outlets 19 into the borehole. Mounted on the jacket are annular members 16 holding in position a collar 15 of rubber-like sheet material, which may have metal reinforcements at the ends engaging the members 16. On inserting the device in a borehole, the water supply is turned on and passes through the jacket displacing residual air in the borehole. Gas, e.g. compressed air, is then admitted at a controlled pressure through a reducing valve 8 in the supply line 7, Fig. 1, and passes from the chamber 11 through a conduit 13 to force the collar 15 into sealing engagement with the borehole. When the water seeps through the surrounding strata the gas pressure is increased until the pin 27 fractures and the valve moves to open ports 24 through which the gas is vented into the borehole.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27633/54A GB770331A (en) | 1954-09-24 | 1954-09-24 | Reutilisable blasting assemblies |
| US531649A US2871786A (en) | 1954-09-24 | 1955-08-31 | Reutilisable blasting assemblies |
| FR1130915D FR1130915A (en) | 1954-09-24 | 1955-09-10 | Reusable blasting devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27633/54A GB770331A (en) | 1954-09-24 | 1954-09-24 | Reutilisable blasting assemblies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB770331A true GB770331A (en) | 1957-03-20 |
Family
ID=10262774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB27633/54A Expired GB770331A (en) | 1954-09-24 | 1954-09-24 | Reutilisable blasting assemblies |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2871786A (en) |
| FR (1) | FR1130915A (en) |
| GB (1) | GB770331A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1090157B (en) * | 1957-06-05 | 1960-10-06 | Hauhinco Maschf | Device for drinking the coal |
| CN107300344B (en) * | 2017-07-03 | 2023-02-17 | 能诚集团有限公司 | Gas explosion pipe and gas explosion system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US255042A (en) * | 1882-03-14 | Thomas moore | ||
| US2083976A (en) * | 1933-05-29 | 1937-06-15 | Safety Mining Co | Material breaking device |
-
1954
- 1954-09-24 GB GB27633/54A patent/GB770331A/en not_active Expired
-
1955
- 1955-08-31 US US531649A patent/US2871786A/en not_active Expired - Lifetime
- 1955-09-10 FR FR1130915D patent/FR1130915A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1130915A (en) | 1957-02-13 |
| US2871786A (en) | 1959-02-03 |
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