US143587A - Improvement in stone pavements - Google Patents

Improvement in stone pavements Download PDF

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US143587A
US143587A US143587DA US143587A US 143587 A US143587 A US 143587A US 143587D A US143587D A US 143587DA US 143587 A US143587 A US 143587A
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layer
stone
improvement
pavement
cement
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00Coherent pavings made in situ
    • E01C7/08Coherent pavings made in situ made of road-metal and binders
    • E01C7/10Coherent pavings made in situ made of road-metal and binders of road-metal and cement or like binders
    • E01C7/14Concrete paving
    • E01C7/145Sliding coverings, underlayers or intermediate layers ; Isolating or separating intermediate layers; Transmission of shearing force in horizontal intermediate planes, e.g. by protrusions, by inlays

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  • My improved pavement is made in the following way: First, an excavationfof suitable depth is made, in which I iill a layer of broken stone of any desired depth., and upon this place a layer of fine Sand. Set in and upon v the sand' I build a stone pavement similar to a dry wall of ordinary construction, the stones of which are ⁇ held together by a lime cement of ordinary composition. The first layernamely, the broken Stone-forms a dry bed,
  • the layer c I place a layer, d, of stone-work.
  • This layer I make in the same way as a dry wall. It is formed of thin flat Stone set upon edge, and, after it is completed, I lill the interstices with a cement which is composed of the following ingredients: One part of cement, one part of slaked lime, and six parts of sand or ashes. After putting this cement in the interstices and on the Surface of the upper layer d, it is rendered smooth and even by pounding in the ordinary way. This operation causes the lower edges of the stones which form the layer d to be driven into the layer c and embedded there. The layer c in time becomes solidified by the lime from the cement between the stones composing the layer d working down into and uniting with it.
  • the layer b operates as a drain to carry off the water from the surrounding earth.
  • the pieces e e represent the curbs.
  • the pavement thus formed unites in its structure all the elements which are necessary for its preservation, is cheap in construction, and in a short time becomes extremely solid.
  • the within-described pavement composed of a bottom layer of broken stone, an intermediate layer of iine sand, and a top layer of stone-work, the interstices of which are filled with a suitable cement or bond.

Description

UNITED STATES PATENT OFFICE.
THOMAS io. OWENS, OE PITTSEUEG, PENNSYLVANIA.
IMPROVEMENT IN STONE'PAVEMENTS.
Specification forming part of Letters Patent No. 143,587, dated October 14, 1873 application filed September 9, 1873. i'
To all whom it may concern:
, VBe it known that I, THOMAS D. OWENS, of Pittsburg, in the county of Allegheny and State'of Pennsylvania, have invented a new and Improved Pavement 5 and Ido hereby dei clare the following to be a full, clear, and exact description thereof, reference being had to the accompanying drawing, forming a part of this specication, which represents a Sectional view of my pavement.
My improved pavement is made in the following way: First, an excavationfof suitable depth is made, in which I iill a layer of broken stone of any desired depth., and upon this place a layer of fine Sand. Set in and upon v the sand' I build a stone pavement similar to a dry wall of ordinary construction, the stones of which are` held together by a lime cement of ordinary composition. The first layernamely, the broken Stone-forms a dry bed,
on which the pavement proper is placed. It
cavation, I roll the bottom a with an ordinary roller of suitable weight, for the purpose of eompacting and hardening it; then upon this bed I place a layer, b, of broken stone of any suitable description, which is in depth from six to twelve inches. This layer is also rolled. Upon the layer b I place a layer, c, of fine Sand, varying from three to Six inches in depth. On
the layer c I place a layer, d, of stone-work. This layer I make in the same way as a dry wall. It is formed of thin flat Stone set upon edge, and, after it is completed, I lill the interstices with a cement which is composed of the following ingredients: One part of cement, one part of slaked lime, and six parts of sand or ashes. After putting this cement in the interstices and on the Surface of the upper layer d, it is rendered smooth and even by pounding in the ordinary way. This operation causes the lower edges of the stones which form the layer d to be driven into the layer c and embedded there. The layer c in time becomes solidified by the lime from the cement between the stones composing the layer d working down into and uniting with it. The layer b operates as a drain to carry off the water from the surrounding earth. The pieces e e represent the curbs.
The pavement thus formed unites in its structure all the elements which are necessary for its preservation, is cheap in construction, and in a short time becomes extremely solid.
It is composed of materials of the most durable and indestructible nature.
That I claim as my invention, and desire to secure by Letters Patent, is
The within-described pavement, composed of a bottom layer of broken stone, an intermediate layer of iine sand, and a top layer of stone-work, the interstices of which are filled with a suitable cement or bond.
In testimony whereof I, the said THOMAS D. OWENS, have hereunto set my hand.
THOMAS D. OWENS.
fitnesscsz SAMPSON BROOKES, T. B. KEER.
US143587D Improvement in stone pavements Expired - Lifetime US143587A (en)

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