USRE11088E - Patrick griffin - Google Patents

Description

P. GRIFFIN. .Assignor, by direct and mesne as signments, of five-sixths to J. F. LEAHY, E. GALL'AHAN, J. HAGKETT,

J. L. MAHER, and J. M. GRIFFIN.

ROADWAY.

UNITED STATEs PATENT OF ICE.

. PATRI KGRIFE'IN, or U'IIIGA NEW Yoin ,'.AssIe oR; BY DIRECT AND MESNE ASSIGNMENTS, OF FIVE-SIXTHS TO JAMES F. LEAHY, EDWARD GALLAHAN, JOHN HAOKETT, J QHN L. MAHER, AND JOHN M. GRIFFIN, ALL F SAME PLACE. j

BoADw Y. j

jsmmcarxo'x e it gm of Beissued Letters Patent. m}. 1 1,0 3, dated June 17, 1890.- Oilglxialllo.882,153,dated1ny1,1888. Applica ion for minim filed December 12, 1889. sem No. 333,551.

To all whom itmay concern; proof material may housed in place of felt.

.Be it known that'I, PATRICK GRIFFIN, of Over the covering of the compressed road- 'Utica, in the county of Oneida and State of bed I' provide and place a coat of grouting New York; have invented certain new and composed of cement, sand, or gravel 1n plassusefullmproveinents in Roadways; .and I do' tic condition, or the compressed road-bed hereby declare the following'to be a full, clear, maybe covered with a coating of coal-tar, and exact descriptionof the invention, that sand,'and grave], applied in a plastic condiwill enable others skilled in the arttowhich it tion, so that when the same hardens' a com- 60. I appertainstomakeandusethesame,reference p'letew'ater-tight layeris formed, as indicated Io being had to the accompanying drawing; and at 5 in. the drawing, whereby a solid compact to the figures of. reference marked thereon, pavement or driveway is-formed, free from which form apart of this specification. p the tendency in cold climates to heave and My invention relates to an improvement in otherwise crack the coating orlayer 5 of the 4 paving streets and roads. pavement.

. 15 The object of my invention is to form a, By sinking the blind drain on either side compact and dry earth foundation in laying of the roadway,'as shown at 2 thewater rs .nwasp pavement; f "preventedfront""interfering"W111i" the coup" The figure shows a cross-section of a road pressed foundation of the road-bed. 7o or street paved in conformitywith my im In the drawing, 66 represent the curbing, 9 P and 7 7 the sidewalk, and in constructing a In the drawing, 1 represents the depth of road on my improved plan I preferably curb the excavation, which may be varied, and 2 2 the outerwall'ofthe ditches below the cement, represent the drains filled with stone. 1 with boards or plank, to more effectually shut i .Inorder to enable others skilled in the art out the water. g 2.5 to'paveroads and streets by my plan, Iwill It is quite obvious here that the order of now proceed and describe the Various-steps performing the various steps, in the operation ye 3 is unimportant, so long as *the several steps I I first remove the earth .fromfl the-road-bed are, taken to compress the earth, remove the y excavation to the depth of' from six to surplus water by the blind draimand cover o eighteen inches, depending upon the characthe compressed earth forming the road-bed a ter of pavementrequired I then bring the with a water-tight wearingsjurface,substanbottom of the, excavation to substantially an tially as set forth.- even surface, when .the same is preferably What I claim as new, and desire to secure 85. saturated with water and compressed by passby Letters Patent, 'is' .55 ing a heavy 'roller overthe surface. I then -l-. A roadway consisting-of successive layprovide'drains'on each side of theroad-bed, ersof compressed earth, clay, or the like, myhioh are filled with stone ...in order to take covered with a layer of felt, having .a de- "sut' fli'e sni plhs water from the'froad bed and pressed ditch filled with. loose stones at each 'thus', prevent the roadheaving by frost. I side, and the whole covered with a layer of ioreplace'or refill the excaw' ationwith earth water-proof wearing material. put onin layers, saturated with'water, and 2. A roadway consisting of successive laythoroughly compressed by rolling; This is ers'of compressed and compacted clayey marepeated until the desired convex contour of terial, having side drains, and 't-hewhole covthe road-bed is formed. The whole mass cred with a-water-tight w'earingsnrface rest- 5 of earthreplaced in the excavation is tho! ing directly onthe compacted clay, substanohghly compressed in layers by the means tially as described.

heretofore referred to. Over the surface of In testimony whereofI aflix my signature in compressed earth, compressed into suitable presence of two witnesses.

shape, I preferably place a covering of felt. PATRICK GRIFFIN. 5o (R epresented in the drawing in cross-section, Witnesses: t

- at 4'.) This felt, however, may be omitted PHILIP MAURO;-

entirelyyor any other substantially water- W. AHBARII'LE'I'I.

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