GB901089A - Blasting device - Google Patents
Blasting deviceInfo
- Publication number
- GB901089A GB901089A GB22223/59A GB2222359A GB901089A GB 901089 A GB901089 A GB 901089A GB 22223/59 A GB22223/59 A GB 22223/59A GB 2222359 A GB2222359 A GB 2222359A GB 901089 A GB901089 A GB 901089A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plunger
- valve
- link
- spring
- pressure
- 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
- 238000005422 blasting Methods 0.000 title abstract 3
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
Classifications
-
- 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
-
- 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
- E21C37/14—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole by compressed air; by gas blast; by gasifying liquids
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7734—Fluid opened valve requiring reset
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
901,089. Fluid-pressure blasting cartridges- OLIN MATHIESON CHEMICAL CORPORATION. June 29, 1959 [July 15, 1958], No. 22223/59. Class 9 (1). A fluid-pressure blasting cartridge is provided comprising a head 1 with discharge ports 10 closed by a sleeve valve 46 having openings 48 through which gas is leaked from the body 3 to a valve control chamber 16. Pivotally connected to the valve is a link 53 also pivoted on a link 41, which has a nose bearing against a lever 30. The lever 30 has pivotal connection with a plunger 25 and bears against a fulcrum at the end of a control shaft 37 adjustably held in a bore parallel with the plunger 25. A spring 31 bears against the head of the plunger and against a plug 32 in which the plunger can slide. By adjustment of the plug, the pressure of the spring may be altered. Passages 36 in the head 26 of the plunger allow gas to leak into the space around the stem of the plunger. When the pressure on the left-hand side of the head 26 overcomes the pressure on the other side combined with the resistance of the spring 31, the plunger yields and swings the lever 30, thus breaking the toggle 41, 53. The valve, thus released, moves and opens the ports 10 allowing the gas charge to escape. To prevent damage to the valve, a spacer ring 21 having an annular lip 22 is provided. As the valve moves to the open position, its skirt 47 enters an annular recess 23 surrounding the lip, the gas trapped in the recess acting as a cushion for the valve. The link 53 may be surrounded by a spring (not shown in Fig. 1), which returns the valve to its initial position after venting of the cartridge. In a modification, the control shaft is replaced by an adjustable screw and the plunger is rockably mounted. In Fig. 5, the swinging link 99 is provided with a return spring 145 and has a locking sear 138 which engages the end of the plunger 139 when the valve is closed. Movement of the link 99 is limited by an adjustable screw 101, extending through the link 99, coming into contact with a stop 102.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74872958 US3022730A (en) | 1958-07-15 | 1958-07-15 | Safety blasting device |
| US80927659 US3041969A (en) | 1958-07-15 | 1959-04-27 | Gas pressure devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB901089A true GB901089A (en) | 1962-07-11 |
Family
ID=31982034
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22223/59A Expired GB901089A (en) | 1958-07-15 | 1959-06-29 | Blasting device |
| GB20331/60A Expired GB905507A (en) | 1958-07-15 | 1960-06-09 | Gas pressure blasting devices |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20331/60A Expired GB905507A (en) | 1958-07-15 | 1960-06-09 | Gas pressure blasting devices |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US3022730A (en) |
| FR (2) | FR1229418A (en) |
| GB (2) | GB901089A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3109371A (en) * | 1960-01-25 | 1963-11-05 | Olin Mathieson | Blasting systems |
| US3094070A (en) * | 1960-08-31 | 1963-06-18 | Olin Mathieson | Gas release mechanisms |
| US3111898A (en) * | 1961-07-28 | 1963-11-26 | Commercial Solvents Corp | Blasting cartridges |
| US3229713A (en) * | 1962-11-06 | 1966-01-18 | Charles W Wiegand | Pressure control valve |
| US3308846A (en) * | 1963-10-16 | 1967-03-14 | Westinghouse Canada Ltd | Relief valve improvement |
| US5715861A (en) * | 1995-09-20 | 1998-02-10 | Retsco, Inc. | Hydraulically cushioned pressure relief value |
| US20060207662A1 (en) * | 2005-03-21 | 2006-09-21 | Oteco, Inc. | Pressure relief valve |
| CN104477239B (en) * | 2014-12-26 | 2017-01-11 | 中国北方车辆研究所 | Steering link stroke protection device of tracked vehicle |
| 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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL43906C (en) * | 1932-05-19 | |||
| US2339378A (en) * | 1940-12-06 | 1944-01-18 | Automotive Prod Co Ltd | Fluid pressure regulating device for fluid supply systems |
| US2625104A (en) * | 1950-02-04 | 1953-01-13 | Materials Blasting Company Inc | Blasting shell and timing means therefor |
| US2750886A (en) * | 1951-03-16 | 1956-06-19 | Armstrong Coalbreak Company | Gas pressure blasting device |
| US2720169A (en) * | 1952-02-21 | 1955-10-11 | Cardox Corp | Material breaking cartridge |
-
1958
- 1958-07-15 US US74872958 patent/US3022730A/en not_active Expired - Lifetime
-
1959
- 1959-04-27 US US80927659 patent/US3041969A/en not_active Expired - Lifetime
- 1959-06-29 GB GB22223/59A patent/GB901089A/en not_active Expired
- 1959-07-07 FR FR799526A patent/FR1229418A/en not_active Expired
-
1960
- 1960-06-09 GB GB20331/60A patent/GB905507A/en not_active Expired
- 1960-06-24 FR FR830985A patent/FR77943E/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3041969A (en) | 1962-07-03 |
| FR77943E (en) | 1962-05-11 |
| GB905507A (en) | 1962-09-12 |
| US3022730A (en) | 1962-02-27 |
| FR1229418A (en) | 1960-09-07 |
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