US305432A - Method of making paving material from clay - Google Patents
Method of making paving material from clay Download PDFInfo
- Publication number
- US305432A US305432A US305432DA US305432A US 305432 A US305432 A US 305432A US 305432D A US305432D A US 305432DA US 305432 A US305432 A US 305432A
- Authority
- US
- United States
- Prior art keywords
- clay
- coal
- paving material
- fire
- mass
- 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
- 239000004927 clay Substances 0.000 title description 44
- 229910052570 clay Inorganic materials 0.000 title description 44
- 239000000463 material Substances 0.000 title description 10
- 238000004519 manufacturing process Methods 0.000 title description 8
- 239000000446 fuel Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/30—Drying methods
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/39—Treatment of clay before and after molding
Definitions
- My object is to produce from ordinary clay in the cheapest and most effective and expeditious manner an extremely hard conglomer-- ate mass of igneous matter, suitable, when broken into pieces, for macadamizing roads, forming foundations for buildings, and for all analogous purposes. 7
Description
UNITED- STATES PATENT Unmet.
NVILLIAM'DAVY, OF CHICAGO, ILLINOIS.
METHOD OF MAKING PAVING MATERIAL FROM CLAY.
ZLPECIFICAIION forming part of Letters Patent No. 305,432, dated September 23, v1884:.
' Application filed September 17, 1880.
2'0 all whom, it may concern/.-
Be it known that I, WILLIAM DAVY, a sub ject of the Queen of Great Britain, residing at Chicago, in the county of Cook and State of Illinois, have invented a new and Improved Method of Making Ballast and Paving Material from Clay; and Ihereby declare the following to be a full, clear, and exact description of the same.
My object is to produce from ordinary clay in the cheapest and most effective and expeditious manner an extremely hard conglomer-- ate mass of igneous matter, suitable, when broken into pieces, for macadamizing roads, forming foundations for buildings, and for all analogous purposes. 7
My invention will be fully understood by the following description: I build upon the ground,.in the open air, a coal-fire, and heap upon it common clay to the height in the center of two or three feet and gradually sloping downward to the edges. The mannerin which I prefer to proceed in this initial stage is to lay the foundation of the fire with sticks and coal, heap the clay over it, leaving draft-openings, and then ignite the fuel; but, if desired, the fire may be lighted first and the clay heaped on when the fire is under way. No particular regularity of form is required as to this heap, but it should, as nearly as convenient or practicable, approximate a cone. On the top of this heap of clay I place a thin layer of coalslack and leave the pile to burn. At the end of about six or eight hours the conical heap of clay appears as a half-fused glowing mass. It is then raked out from the base to a greater area, (which operation causes it to settle down somewhat at the center,) sprinkled over with coal-slack, and a fresh charge of clay piled on in the same form as before, completely covering the glowing clay as the first charge covered the burning coal. 1 Over this second charge a fresh layer of coal-slack is spread in the same I manner and about the same depth as before,
when the mass is again allowed to stand for a period of several hours, or until the whole is again reduced to a glowing state, when the operation of drawing out the base, sprinkling with coalslaek, heaping on fresh clay, and covering with coal-slack, and permitting it to (No specimens.)
burn in its own way is repeated. -'Ihe heap should be stirred two or threetimes a day by inserting a crow-bar at different points, in order that the mass shall not become so solid as to interfere with the draft. If the clay is of an inferior grade, it should be moistened with waterbefore being laid on. WVhen by continued repetition of the above operation the pile has attained the desired magnitude, it is allowed to cool by the natural process, and will then be found to consist of a mass of solid lumps, resembling igneous rock of extreme hardness, of substantially uniform quality throughout.
'For application to the purpose for which it is designed, these lumps are broken into fragments of suitable size by anyof the well-known methods.
I am aware that it is not new to make ballast or pavin material from clayey earths by burning the same in conjunction with fuel; but, so far as Iain, aware, wherever this has been practiced the clay and fuel have been inclosed in kilns, and after ignition of the fuel have been left to follow their own course, without further manipulation.
It is obvious that the employment of kilns entails considerable labor and expense, and that the quantity of clay treated in any kiln must be a comparatively small one. Besides this, the product of each kiln presents several different grades, only,one or two of which are adapted for the main purpose All these disadvantages are overcome by my improved vmethod. By treating the clay in the open air.
not only is the expense and trouble of constructing kilns avoided, but I am enabled to produce the material in immense quantities from a single initial fire, and by the method of stirring and spreading the pile. which I have described, I obviate the production of inferior grades.
\Vhat I claim as new, and desire to secure by Letters Patent, is-
1. The method of producing from clayaha-rd conglomerate mass, to be broken into pieces for use in the constructionofroad-beds, pavements, and the like, which consists in making a coal-fire in the open air, covering the fire so formed with clay, placing over the clay a covering 0f coal-slack, and allowing the burning to continue for a suitable pcriodof time, substantially as described. r ca 2. Themethod of producing from clay a hard conglomerate mass, of any desired magnitude,
in lumps to be broken into pieces for use in the construction of road-beds, pavements, and
the like, which consists in making a coal-fire in the open air, covering the fire so formed 10 with clay, placing over the clay a sprinkling of c0al-slack, from time to time raking out the mass from the base to a greater area and heaping on fresh charges of clay and coal-slack, stirring theheap at intervals from the top, and finally allowing it to cool, substantially r 5 as described.
WILLIAM DAV Y. Witnesses:
J. O. DIOKERSON, FRED L. SMITH.
Publications (1)
Publication Number | Publication Date |
---|---|
US305432A true US305432A (en) | 1884-09-23 |
Family
ID=2374601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US305432D Expired - Lifetime US305432A (en) | Method of making paving material from clay |
Country Status (1)
Country | Link |
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US (1) | US305432A (en) |
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0
- US US305432D patent/US305432A/en not_active Expired - Lifetime
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