US123155A - Improvement in boiler-flue scrapers - Google Patents
Improvement in boiler-flue scrapers Download PDFInfo
- Publication number
- US123155A US123155A US123155DA US123155A US 123155 A US123155 A US 123155A US 123155D A US123155D A US 123155DA US 123155 A US123155 A US 123155A
- Authority
- US
- United States
- Prior art keywords
- scrapers
- flue
- boiler
- improvement
- disks
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/0436—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes provided with mechanical cleaning tools, e.g. scrapers, with or without additional fluid jets
Definitions
- This invention consists in the special con struction and arrangement of the scrapers used in connection with spring-arms, with or without a flexible wiper, as hereinafter described.
- Figure 1 is a side elevation.
- Fig. 2 is a front elevation.
- Fig. 3 is a crosssection through the line m, showing its position in a boiler-flue.
- A is the iron shank or operating-handle, provided with a thread suitable for a one-quarterinch gas-pipe to serve as a handle, and flattened on the sides a B, to allow for the inward spring'of the scrapers.
- 0 represents the cleaner or brush attached or screwed on the extreme end ofthe shank, made of rubber, leather, or any other suitable material.
- Secured to opposite sides of the shank A are'steel springs a a, bent outward sutficiently to hold the scrapers firmly against the sides of the fine, and provided with flat diamond-shaped pieces of metal I) b and transverse semicircular.
- scrapers c c which scrape oft all the incrust-ations and scales, while the brush or wiper O removes all the ashes, cinder-s, &c.
- the spring-arms a a have sufficient play to allow the scrapers to pass over it and not break or bend out of shape. They will be made of diiferent sizes, to fit different-sized flues. They will also, by their peculiar arrangement, reach every part of the flue.
- the longitudinal scrapers d d may be made to act on the sides of the flue, and thus reach places that could not be reached by simply drawing it back and forth when only the semicircular scrapers c c are used.
- the scrapers d d it will be observed, set at an angle, and not upright. This is an important arrangement, as
- the disks b b and scrapers cd may be cast in one piece, and riveted or bolted to the springs a a, as shown, and the disks 0 0 may be chilled, to render them harder.
- the angular scrapers d not only act as such, but in addition are braces to the circular scrapers c c, and aid in strengthening them and keeping all in place, while the scrapers d (I also aid in guiding the device in entering the flue.
- the disks 0 c are formed by bending up one end of the nearly diamond-shaped pieces b b which are secured to the springs, as shown.
- the brush-head C is held by two nuts, E E, as shown in Fig. l, but they may be made, as in Fig. 2, with washers or extra heads to stiffen the brush.
- the recesses formed by the angles, the scrapers, and disks serve the important purpose of catching the cinders and ashes as they are scraped off.
- the shank A may be made of joints, so as to fit any length flue, or it may be made, as shown, to have a wooden handle, F, attached; or the handle may be formed of gas-pipe, which is much lighter and stronger than wood.
- the disks or scraperso 0 being made of steel, and the braces d d of iron, the disks 0 will always project above the braces or scrapers d by the latter wearing away much faster than the steel.
- the disks 0 0 also are ground square across, and thus form two edges, to act both ways, or they may be channeled, to answer the same purpose.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Description
JAMES H. DANN.
Improvement in Boiler Flue Scrapers.
PatentedJan .30,1872.
hmmR
Manx
ATENT QFFIGE.
JAMES H. DANN, OF ROUSEVILLE, PENNSYLVANIA.
IMPROVEMENT IN BOlLER-FLUE SCRAPERS.
Specification forming part of Letters Patent No. 123,155, dated January 30, 1872.
Specification describing certain new and useful Improvements in Boiler-Flue Scrapers and Wipers, invented by JAMES HODGES DANN, of ltouseville, in the county of Venan go and State of Pennsylvania.
N ature of the Invention.
This invention consists in the special con struction and arrangement of the scrapers used in connection with spring-arms, with or without a flexible wiper, as hereinafter described.
General Description.
In the drawing, Figure 1 is a side elevation. Fig. 2 is a front elevation. Fig. 3 is a crosssection through the line m, showing its position in a boiler-flue.
A is the iron shank or operating-handle, provided with a thread suitable for a one-quarterinch gas-pipe to serve as a handle, and flattened on the sides a B, to allow for the inward spring'of the scrapers. 0 represents the cleaner or brush attached or screwed on the extreme end ofthe shank, made of rubber, leather, or any other suitable material. Secured to opposite sides of the shank A are'steel springs a a, bent outward sutficiently to hold the scrapers firmly against the sides of the fine, and provided with flat diamond-shaped pieces of metal I) b and transverse semicircular. scrapers c c, which scrape oft all the incrust-ations and scales, while the brush or wiper O removes all the ashes, cinder-s, &c. If there should be any irregularity in the interior of the flue, the spring-arms a a have sufficient play to allow the scrapers to pass over it and not break or bend out of shape. They will be made of diiferent sizes, to fit different-sized flues. They will also, by their peculiar arrangement, reach every part of the flue. By turning the shank A the longitudinal scrapers d d may be made to act on the sides of the flue, and thus reach places that could not be reached by simply drawing it back and forth when only the semicircular scrapers c c are used. The scrapers d d, it will be observed, set at an angle, and not upright. This is an important arrangement, as
it gives them a beveled or knife-edge, so that they will act with more effect and thoroughness. The disks b b and scrapers cdmay be cast in one piece, and riveted or bolted to the springs a a, as shown, and the disks 0 0 may be chilled, to render them harder. The angular scrapers d not only act as such, but in addition are braces to the circular scrapers c c, and aid in strengthening them and keeping all in place, while the scrapers d (I also aid in guiding the device in entering the flue.
The disks 0 c are formed by bending up one end of the nearly diamond-shaped pieces b b which are secured to the springs, as shown. The brush-head C is held by two nuts, E E, as shown in Fig. l, but they may be made, as in Fig. 2, with washers or extra heads to stiffen the brush. The recesses formed by the angles, the scrapers, and disks serve the important purpose of catching the cinders and ashes as they are scraped off. The shank A may be made of joints, so as to fit any length flue, or it may be made, as shown, to have a wooden handle, F, attached; or the handle may be formed of gas-pipe, which is much lighter and stronger than wood. The disks or scraperso 0 being made of steel, and the braces d d of iron, the disks 0 will always project above the braces or scrapers d by the latter wearing away much faster than the steel. The disks 0 0 also are ground square across, and thus form two edges, to act both ways, or they may be channeled, to answer the same purpose.
I am acquainted with the patent of Van Auken, December 18, 1866, and with the rejected case of Green and Uree, tiled December 20, 1866; but both are differently constructed from mine, and are not so effective.
What I claim is The plates I) b, constructed with the transverse semicircular scrapers c c and the longitudinal scrapers d d, standing in an angular direction, when combined with the springarms a a, with or without the flexible wiper (J, in the manner and for the purpose specified.
In witness whereof I have hereunto signed my name in the presence of two subscribing witnesses.
I JAMES H. DANN.
Witnesses J. It. DRAKE, O. N. WOODWARD. r
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US123155A true US123155A (en) | 1872-01-30 |
Family
ID=2192591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US123155D Expired - Lifetime US123155A (en) | Improvement in boiler-flue scrapers |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US123155A (en) |
-
0
- US US123155D patent/US123155A/en not_active Expired - Lifetime
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