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Publication numberUS1004528 A
Publication typeGrant
Publication dateSep 26, 1911
Filing dateJun 18, 1909
Priority dateJun 18, 1909
Publication numberUS 1004528 A, US 1004528A, US-A-1004528, US1004528 A, US1004528A
InventorsJacob H Berky
Original AssigneeJacob H Berky
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Well-driving point.
US 1004528 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)




Patented Sept. 26, 1911.




Specification of Letters Patent.

Application filed June 18, 1909.

Patented Sept. 26, 1911. Serial No. 502,977.

Tooll whom it may concern:

Be it known that I, JACOB H. BERKY, a citizen of the United States, residing at- River Park, in the county of St. Joseph and State of Indiana, have invented certain new and useful Improvements in Well-Driving Points, of which the following is a specification.

This invention relates to well driving points.

In the well-driving points now in common use, wherein there is provided an outer perforated tube, it frequently happens that when the water does not reach above the uppermost perforations, that air is sucked into such upper perforations, and in commingling with the water interferes with proper operation of the pump. The ordlnary point is usually about thirty-six nches long, and it frequently happens that in dry weather there will not be a sufiicient head of water to cover all of the perforations in the point, and in operation air will enter some of the perforations and mix with the water, resulting in a scanty supply of water to be raised.

It is therefore one object of my invention to provide a well driving point embodying such characteristics that it will operate effectually in shallow water in direct contradistinction to similar devices, such as those hereinbefore outlined, and one wherein there will be an adequate supply of water raised irrespective of whether the device is completely submerged in the water.

Another object of the invention is to provide a well driving point embodying considerable rigidity between the tube proper and its extreme point to prevent the point from buckling when contacting with hard surfaces or gravel during the driving of the well.

With the above and other objects in View, the present invention consists in the combination and arran ement of parts hereinafter more fully described, illustrated in the accompanying drawings, and particularly pointed out in the appended claim, it being understood that changes may be made in the form, proportion, size and minor details without departing from the spirit or sacrificing any of the advantages of the invention.

In the drawings, Figure 1 is a vertical sectional view of my well point. Fig. 2 is a transverse sectional view on the line a:-w of Fig. 1. Fig. 3 is a transverse sectional view on the line g 1 of Fig. 2.

Referring now more particularly to the accompanying drawings, the reference character 1 indicates a tapering driving point, whose head is provided in its upper face with a circular groove 2 adapted to receive the outer and inner tubings 4: and 5, respectively, the outer tubing being perforated throughout its length, as indicated at 6, and screw threaded at its inner end for screw threaded engagement with the coupling 7 to which latter another section 8 of the tubing is screw threaded, as clearly shown in Fig. 1. The coupling 7 is provided with an internal annular rib, whose opposite sides form shoulders for the seating of the tube at and section 8, and whose inner periphery is screw threaded for screw threaded engagement with the inner tubing 5, and which, with the circular projection 3 insures a proper centering of the tube 5 with respect to the outer tube 4, the outer tubing having a screen or other foraminous material 9 surrounding it to serve as a shield to afford an effectual exclusion of sand, so that the sand cannot enter the tubing through its perforations and choke up the water passage or in any way obstruct or interfere with a proper operation of the device.

If the inner tube 5 should be eliminated from the structure and the device should be put into operation and the water head did not reach the uppermost perforations, there would be a consequent suction of air into the uppermost perforations which would interfere with an efficient operation of the device. It is for this reason that I provide the inner tubing 5 which it will be noticed is not perforated throughout its length as is the case with the outer tubing, the inner tubing being provided with openings 10, preferably elongated and disposed at the lower end of the inner tube only. Thus in the event that air should enter the uppermost perforations of the outer tubin as indicated by arrows in Fig. 1, it coul not enter the inner tubing since the perforations at the bottom of the latter are submerged in or sealed by the water. It will thus be seen that by having the perforations at the bottom of this inner tube very shallow strata of water can be sufficiently raised by a suitable pump attached to the tubing.

By virtue of the peculiar connection or mounting of thetubes in the head 1 of the drill point, there is provided a firm connection between the point and tubings and one which Will prevent buckling of the point in the event of operation of the device on hard surfaces or upon gravel.

What is claimed is A device of the character described comprising a head having an annular groove in its inner end, a perforated tube having one end secured in said groove against the outer wall of the latter, and an inner tube spaced from the outer tube and having one end 1 secured against the inner Wall of said groove,

the space between the tubes being unrestrict- 15 ed and the inner tube having unrestricted, narrow, comparatively velongated openings at its outer end and disposed longitudinally of the tube and in spaced relation to said head, the remaining portion of the inner tube be- 20 ing imperforate, and wire gauze embracing the outer surface of the outer tube. In testimony whereof I aflix my signature,

in presence of two witnesses.

JACOB H. BERKY. Witnesses:


Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, I). C.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2627315 *May 9, 1951Feb 3, 1953Hettinger Henry CWell point core
US4526230 *Aug 2, 1982Jul 2, 1985Seminole Energy Tools, Inc.Double walled screen-filter with perforated joints
US4583594 *Nov 15, 1984Apr 22, 1986Bozidar KojicicDouble walled screen-filter with perforated joints
US4649996 *Oct 23, 1985Mar 17, 1987Kojicic BozidarDouble walled screen-filter with perforated joints
US4693318 *Oct 10, 1985Sep 15, 1987Well Improvement Specialists, Inc.Sand control devices and method of installation thereof
U.S. Classification166/230, 175/314
Cooperative ClassificationE21B43/084