US142340A - Improvement in chemical fire-extinguishers - Google Patents
Improvement in chemical fire-extinguishers Download PDFInfo
- Publication number
- US142340A US142340A US142340DA US142340A US 142340 A US142340 A US 142340A US 142340D A US142340D A US 142340DA US 142340 A US142340 A US 142340A
- Authority
- US
- United States
- Prior art keywords
- reservoir
- acid
- extinguishers
- shaft
- improvement
- 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 - Lifetime
Links
- 239000000126 substance Substances 0.000 title description 2
- 239000002253 acid Substances 0.000 description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/003—Extinguishers with spraying and projection of extinguishing agents by pressurised gas
Definitions
- ThisA shaft is provided, upon its outer extremity, with a suitable head, b, and around its body, at a suitable distance from its head b, is formed the annular groove b for the engagement of the retaining-trigger c, which swings upon the outer face of the plate a, by
- the inner end of the shaft B is provided with the cross bar B', from the extremities of which pass the supports C.
- These supports are of suitable length, and are made to bear the semicircular clamps C', which engage in a groove, x, formed upon the body of the acid-reservoir C, said reservoir C being constructed of glass or any suitable material capable of withstanding the action ofthe acid to be contained within it.
- the plate a is provided with a collar, a., upon which is formed a male and female screw.
- a male and female screw Into the female screw is fitted the cage or basket D, formed of suitable material and of any desired design. This cage envelops the reservoir G and its shaft B.
- the main reservoir A is filled to a proper degree with, say, a saturated solution of bicarbonate-of soda, and the reservoir C with any suitable acid, say sulphuric acid.
- the reservoir C is lilled by the following method: The shaft B is pressed in until the trigger c engages in the annular groove b.
- the acidreservoir C is by this means removed from its stopper d, so that acid may be introduced within the reservoir C.
- the plate a holding the within-described parts, is now introduced within the main reservoir A, as shown in Fig. 1.
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Description
A. E. HUGHES.
Chemical Fim-Extinguishers.
Patented September 2,1873.
M/nEEEJEE UNITE S ALEXANDER E. HUGHES, OF LOUISVILLE, KENTUCKY, ASSIGNOR OF ONE- EIGHTH HIS RIGHT TO EDWARD FORD, OF NEW. ALBANY, INDIANA.
IMPROVEMENT IN CHEMICAL FIRE-EXTlNGUISl-IERS.
Specification forming part of Letters Patent No. 142,340, dated September 2, 1873; application led June 19, 1873.
To all whom it may. concern:
Beit known that I, ALEX. E. HUGHES, of Louisvi1le,in the county of Jefferson and State of Kentucky, have invented certain new and useful Improvements in Chemical Fire-Extinguishers; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and l use it, reference being had to the accompanyplate a, in which is constructed the packingbox a', through which lpasses the acid-reservoir shaft B. ThisA shaft is provided, upon its outer extremity, with a suitable head, b, and around its body, at a suitable distance from its head b, is formed the annular groove b for the engagement of the retaining-trigger c, which swings upon the outer face of the plate a, by
means of the pivot c.- The inner end of the shaft B is provided with the cross bar B', from the extremities of which pass the supports C. These supports are of suitable length, and are made to bear the semicircular clamps C', which engage in a groove, x, formed upon the body of the acid-reservoir C, said reservoir C being constructed of glass or any suitable material capable of withstanding the action ofthe acid to be contained within it.`
The plate a is provided with a collar, a., upon which is formed a male and female screw. Into the female screw is fitted the cage or basket D, formed of suitable material and of any desired design. This cage envelops the reservoir G and its shaft B. At
` a suitable point in the cage Dis placed the diaphragm D', which supports the plug or stopper d, made of lead or any proper material. This plug or stopper is formed so as to fit accurately into the acid-reservoir C. E is a spring interposed between the diaphragm D and the cross-bar B of the acid-reservoir shaft B. y
The main reservoir A is filled to a proper degree with, say, a saturated solution of bicarbonate-of soda, and the reservoir C with any suitable acid, say sulphuric acid. The reservoir C is lilled by the following method: The shaft B is pressed in until the trigger c engages in the annular groove b. The acidreservoir C is by this means removed from its stopper d, so that acid may be introduced within the reservoir C. The plate a, holding the within-described parts, is now introduced within the main reservoir A, as shown in Fig. 1.
The machine as now prepared is ready for operation. While idle it is to be so set that the end containing the plate a and its attached parts shall be uppermost.
When it is to be used the machine is to be set down in an inverted position, so that the entire weight of the machine and its contents shall rest upon the head b of the shaft B. This weight will drive in said shaft, and as a consequence the acid reservoir C will be lifted from its stopper d and the contained acid allowed to escape into the soda solution. The result is evident. Carbonio-acid gas is immediately evolved in immense quantities, and the usual -pressure and impregnation of the water by the gas occurs, as has hereto` fore been frequently described, but which forms no part of this invention.
I am aware that in the construction heretofore of chemical hre-extinguishers the plugs to the acid-reservoirs have been removed by screws and various devices; but I am not aware that any extinguisher has been constructed wherein the stopper to the acidreservoir always maintains the same relative position to the main reservoir as in this my invention, while theacid-reservoir itself is removed from its plug by the weight of the machine upon the free end of its shaft B.
Ferca..
3. rIhe combination of the annular groove b upon the shaft B of the acid-reservoir, the retaining-trigger c, and the spring E, substantially as and. for the purpose set forth.
In testimony that I claim the foregoing I have hereunto set my hand this 9th day of June, 1873.
ALEXANDER E. HUGHES. Witnesses:
THOMAS W. COMER, C. M. MCGRAW.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US142340A true US142340A (en) | 1873-09-02 |
Family
ID=2211753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US142340D Expired - Lifetime US142340A (en) | Improvement in chemical fire-extinguishers |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US142340A (en) |
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0
- US US142340D patent/US142340A/en not_active Expired - Lifetime
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