US1852903A - Abt of - Google Patents

Description

April 5, 1932. J. P. SA| M0N ART OF DRIVING PILES Filed oct, 23, 1929 jjzvefdvf' James Plmfz/ y l 1 1 Hwmwdl PatentedY Apr. 5, 1932i emrah, STATES JAMES P, sniiivioiv,Y yor iJHILAnELPi-IA, Pi'iivivsYLvfANrA ART or fnnivifii'e mais Application mea october 23, "ieee, 'serial bgisi.

driven path, and generally to facilitate the` 5 lowering of the pile, by the introduction of water under pressure.l

A further object is to provide a ypipe of suitable construction, to be lowered with the pile as it is driven, whereby water under pres- 1g sure may be carried to and ejected at a given location in relation to the lower end of the pile, so as to assist vin creating a path of lesser resistance to the driven pile.

Astill further object is to provide the end of the pipe with anozzle for the ejection of water with force, the construction of the nozzle being such as to permit its movemen within a limited spherical path. j

Aurther object is to provide a separate air supply within the water pressure* pipe to augment the force of the water under pressure.

For the purpose of illustrating my invention I have shown in the accompanying drawl ings one form thereof which is at present preferredby me, since the same has been found in practice to give satisfactory and reliable results, although it is to be understood that the various instrumentalities ofv which my 3o invention consists can be variously arranged and organized and that my inventio-n is not limited to the precise arrangement and organization of the instrumentalities as herein shown and described.

In the accompanying drawings, wherein like reference numerals refer to like parts,

Figure 1 represents an elevation of a pile being driven, and my improved device iny its associatedl working position thereto, and

Figure 2 represents a vertical section through the center of my-improved device. f

Incarrying out my invention I provide a suitable pipe 3 for conveying the water to within proximity of' the lower end of the 45 pile 5. The pipe 3 has mounted on its lower end a nozzle 8, the upper end 9 of which is spherical in shape and adapted toride within a fastening nut 10 threaded on the lower end of the pipe 7. A nozzle socket 11 is in- ,50 terposed between the lower end of the pipe center yof the main pifp'ef Sland the upper splfreial lace 9 of the noz; z le 8. 'y 1 i in are term of mylnventif 'shown' the' drawings, 'an lair pipe is, d in the n J prop-er relation by series spiders is. l

In operaticnthe pile-"5 rs ldriven in 'the j usual manner, and the pipe 3 'is lowered 'there'-y witjh, suitable parallel spaced relation thereto; the nozzles beingkefpt 'in eleggere-j l-at'i'on to the lowe'f'leiid 'of fthe pile'. under pressure s-intifo'dced into the pipe .3 through any suitable Vconnectionk atrits tep (not 'Stews in altera-Wingene ejecne with Y suljcient force to wash away tneeatligihits path and also partly inthe vpafth of theV pile 5, thereby lessening the resistance jn the path: oi' the 'driven pile.` l l j v The force of thewater ejected frein the j pipe 3 can be controlled from any'vsuitable 70 scarce-,f increased when the nature elite Seil presents' greater resistance to tliepilean'd decreased when lesse-'r resistance is present, or in some instances in the case of very light sandy soils, shut olf entirely. In other cases it is possible that rocks or other dbris may be encountered, and when this condition is met with,y the pile driver is stopped and the f water given full force.

The spherical portion 9 oftheA nozzle is fill" i normally held loosely within the nut l0 and 4 socket 41l', and the stream of water ejected from the nozzle coming into yclose contact with hardmatter as illustrated at 6 Figure 1willl cause the `nozzle to assume a dierent 5 angle or to swivel around in a circular path and thereby create a cavity such as shown at A. Vhen sufficient space. hasthus been formed about the vicinity of the obstruction, Y

the pile is again driven downward, and the. dbris 6 will easily move out of its path and into the cavity formed at A, allowing a further free passage of the pile through the earth.

The length of time for the application of 95 water pressure alone, and theforce of the water pressure from the nozzle are determined by the nature of the soil and itsresistance to the driven pile.

I have shown an air pipe 12, introduced tra eld iiits through the center of the water pipe 3 for the purpose of augmenting the water pressure when that is found insufficient for the purpose, The structure of the pipe 3 remains 5 the same Whether it carries the auxiliary air line or not, the sole difference being the introduction of the air pipe and the spiders to hold it in its proper place. The agitation of g the jet of water by this auxiliary air supply,

l introduced right into the nozzle, augments the action of the water.

I am aware that the invention may be embodied in other specific forms Without departin(lr from the spirit 01 essential attributes l thereo and I therefore desire the present embodiment to be considered in all respects as illustrative and not restrictive, reference bering had to the appended claims rather than to the foregoing description to indicate the scope of the invention.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is

1. The combination with a pile, of a jetting device consisting of a water supply pipe adapted to be lowered alongside a pile, and a swivelled nozzle at the lower end of said pipe.

2. A jetting nozzle consisting of two pipes,

one within the other, one for conveying water and the other for conveying air under pressure and a swivelled nozzle at the lower end of the outer pipe for receiving the supply of water and air and ejecting the same in a Jet.

In testimony whereof, I have hereunto set my hand this 16th day of August, 1929.

JAMES P. SALMON.

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