US876377A - Roadway. - Google Patents
Roadway. Download PDFInfo
- Publication number
- US876377A US876377A US38804107A US1907388041A US876377A US 876377 A US876377 A US 876377A US 38804107 A US38804107 A US 38804107A US 1907388041 A US1907388041 A US 1907388041A US 876377 A US876377 A US 876377A
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- US
- United States
- Prior art keywords
- parts
- foundation
- composition
- roadway
- sand
- 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
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
Definitions
- This invention relates to an improved method of and means for constructing roadways and the like and has for its object to provide roadways, footways and the like ghich shall be non-slippery and free from ust.
- a roadway or the likeeonstructed in ac- -cordance with this invention comprises a foundation of concrete on which is laid a composition consisting of granite, asphalt,
- bitumen, cement, asbestos, carbonate of soda
- the composition forming the surface of the roadway consists of 40 parts of granite broken to pass through a one inch mesh, 30 parts of asphalt, 10 parts of bitumen and approximate y equal parts of cement, asbestos, carup the remaining 20 parts.
- the soda mixed with the other ingredients causes the laid com osition to have a hard and solid surface and it is also found that the asbestos sand and shell mixed with the other ingredients cause the surface of the composition to be non-slippery.
- the sand should be fine, preferably river sand-and the shell should be cockle or other similar hard shells broken quite small.
- the cement and chalk harden the composition and increase its resistance to heat.
- composition is by any weather and wi stand frost and snow and it has been tested to 130 degrees Fahrenheit.
- a roadway or the like constructed in accordance with this invention is non-slippery and dustless and the sound of traffic thereon is almost m'l.
- a covering for roadways, footways and the like consisting of broken granite, asphalt, bitumen, cement, sand, shell, chalk, carbonate of soda and asbestos.
- a covering for roadways, footways, and the like consisting of 40 parts of broken granite, 30 parts of as halt, 10 parts of bitumen, and approximate y equal pro ortions of oement, asbestos, carbonate of soda, chalk, sand, and shell to make up the remaining 20 parts, substantially as set forth.
- a roadway, footway and the like comprising the combination of a foundation of concrete,
- said ccmposition cmnprising 40 parts of broken granite, 30 parts sf asphalt, 10 parts of bitumen, and approxin'lately equal proportions of cement,- asbestos, 2:11"- 5 bonate of soda, chaik, sand and she to make up the remaining 20 part-s, the ingrsclisnts of said compcsi'bion being previously mixed and boiled substantially as set forth.
Description
NITED STATES PATENT OFFICE.
GEORGE ARTHUR MITCHELL, ARTHUR JAMES MITCHELL, 'AND ERNEST EDWIN MITCHELL,
' OF LONDON, ENGLAND.
ROADWAY.
Specification of Letters Patent.
' Patented Jan.14, 190s.
, Application and ust 10.1907. Serial No. 388.041.
- T all whom 'it may concern? Be it known that we, GEORGE ARTHUR MITCHELL, of 60 Nunhead Grove, Peckham Rye, London, England, quantity-clerk, and ERNEST EDWIN M1To1-1ELL, of S0 Ilenslowe road, East Dulwich, London, England, buil- ,der, have invented certainnew and useful Improvements in Roadways, of which the following is a specification.
This invention relates to an improved method of and means for constructing roadways and the like and has for its object to provide roadways, footways and the like ghich shall be non-slippery and free from ust.
Y A roadway or the likeeonstructed in ac- -cordance with this invention comprises a foundation of concrete on which is laid a composition consisting of granite, asphalt,
bitumen, cement, asbestos, carbonate of soda,
chalk, sand, shell, which has been previously melted and mixed.
'theroadway is constructed in the following According to one form of this invention of materials in the following The concrete foundation conmanner and proportions.
I sists of 81X arts of Thames ballast to one part 30 0f Portlant cement. Its depth will vary according to the tra'llic, for instance for heavy traffic the thickness of the foundation would be about six inches, but where the trallic is light this depth may be reduced. The composition forming the surface of the roadway consists of 40 parts of granite broken to pass through a one inch mesh, 30 parts of asphalt, 10 parts of bitumen and approximate y equal parts of cement, asbestos, carup the remaining 20 parts.
bonate of soda, chalk, sand and shell to make This composimixed up in boilers and then spread on the concrete foundation to the required thickness. This thickness will alsovary witlnthe tra'llic to be carried. For instance with heavy trallie where a 6 inch foundation is employed the thickness of the composition surface would be 2 tion is melted and inches. For footways, where the traffie'is light the foundation would be say, three inches thick and the com osition one inch thick, the foundation an composition be ing laid as hereinabove set forth with reference to roadways. The proportions used are.
those which allowlng for small variations are found to make the material-most resistant to wear, temperature, heatand frost, and to water and make it non-slippery, easy to lay down and at the same-time harden quickest when laid.
It is found that when the composition is boiled the soda mixed with the other ingredients causes the laid com osition to have a hard and solid surface and it is also found that the asbestos sand and shell mixed with the other ingredients cause the surface of the composition to be non-slippery. The sand should be fine, preferably river sand-and the shell should be cockle or other similar hard shells broken quite small. The cement and chalk harden the composition and increase its resistance to heat.
The composition is by any weather and wi stand frost and snow and it has been tested to 130 degrees Fahrenheit.
A roadway or the like constructed in accordance with this invention is non-slippery and dustless and the sound of traffic thereon is almost m'l.
- What we claim and desire to secure by Letters Patent is 1. A covering for roadways, footways and the like consisting of broken granite, asphalt, bitumen, cement, sand, shell, chalk, carbonate of soda and asbestos.
2. A covering for roadways, footways, and the like consisting of 40 parts of broken granite, 30 parts of as halt, 10 parts of bitumen, and approximate y equal pro ortions of oement, asbestos, carbonate of soda, chalk, sand, and shell to make up the remaining 20 parts, substantially as set forth. a
3. A roadway, footway and the like comprising the combination of a foundation of concrete,
1practically unaffected and a composition spread on said 2 swam? foundation, said ccmposition cmnprising" 40 parts of broken granite, 30 parts sf asphalt, 10 parts of bitumen, and approxin'lately equal proportions of cement,- asbestos, 2:11"- 5 bonate of soda, chaik, sand and she to make up the remaining 20 part-s, the ingrsclisnts of said compcsi'bion being previously mixed and boiled substantially as set forth.
In Witness whereof, We have hereunto signed our names in the presenae of two sub 30 scnbmg Witnesses.
I E 1 GEORGE ARTHUR MITGHELL. l ARTHUR JAMES E HTCHELL. ERNEST E9371 RHECHELL W limesses LVEELVILLE CLARK 1 7 ALFRED B. LA MPBELL.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38804107A US876377A (en) | 1907-08-10 | 1907-08-10 | Roadway. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38804107A US876377A (en) | 1907-08-10 | 1907-08-10 | Roadway. |
Publications (1)
Publication Number | Publication Date |
---|---|
US876377A true US876377A (en) | 1908-01-14 |
Family
ID=2944821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US38804107A Expired - Lifetime US876377A (en) | 1907-08-10 | 1907-08-10 | Roadway. |
Country Status (1)
Country | Link |
---|---|
US (1) | US876377A (en) |
-
1907
- 1907-08-10 US US38804107A patent/US876377A/en not_active Expired - Lifetime
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