US447001A - Machine for tapping mains - Google Patents

Machine for tapping mains Download PDF

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US447001A
US447001A US447001DA US447001A US 447001 A US447001 A US 447001A US 447001D A US447001D A US 447001DA US 447001 A US447001 A US 447001A
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tube
feed
drill
rod
upper
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/04Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
    • F16L41/06Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor making use of attaching means embracing the pipe
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/598With repair, tapping, assembly, or disassembly means
    • Y10T137/612Tapping a pipe, keg, or apertured tank under pressure
    • Y10T137/6123With aperture forming means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00Cutting by use of rotating axially moving tool
    • Y10T408/65Means to drive tool
    • Y10T408/675Means to drive tool including means to move Tool along tool-axis
    • Y10T408/6793Screw coaxial with Tool

Description

Patented Peb. 24,1891.

(N o Model.)`

J.BRANKEY. MACHINE FOR TAPPING MAINS.

UNTTED STATES FATnNT OFFICE.

JOHN BRANKEY, OF LEHON'I, ILLINOIS.

MACHlNE FOR TAPPING MAINS.

^`STPECIBICA'.IION forming part of Letters Patent No. 447,001, dated February 24, 1891. Application filed October 22, 1889. Serial No. 327|7'75. (No model.)

T all whom, it may concern:

Be it known that I, JOHN BRANKEY, a citizen of the United States, residing at Lemont, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Machines for Tapping Mains, which are fully set forth in the follow-l ing specification, reference being had to the accompanying drawings, in whichy Figure l represents an elevation of a tapping-machine embodying my improvements; Fig. 2, a vertical section of the saine, and Fig. 3 a plan section taken on the line l l of Fig. 2 and on an enlarged scale.

My invention relates to machines for tapping mains of all kinds without disturbing them in position.

The invention relates to certain improvements in the operative devices of machines of this description, as will be hereinafter pointed out.

I will describe in detail the construction and operation of a machine in which I have practically embodied my improvements, and will then point out definitely in claims the special improvements which I believe to be new and desire to secure by Letters Patent.

In the drawings, A represents the main, and B a cylindrical hollow base or support, the bott-om of which is concave to fit the main,

and has an opening b through it. The upper edge of this support is internally threaded to accommodate the lower section or chamberO of the tapper, which has anf external thread upon its lower edge adapted to connect with the base, and an internal thread at its upper edge, as seen in Fig. 2 of the drawings.

ring D, externally threaded, is fitted in the upper portion of the section O, and above it is fitted to the same section the upper chamber or section E of the tapper, this section being cylindrical and having an external thread at its lower end forA the purpose of making -the connection with the section below, and also provided at this end with an inwardly-projecting horizontal ange e, which is seated on the ring. The head F is secured to the upper end of this section by a threaded connection, as seen in Fig. 2 of the drawings. This head is tubular and is threaded internally; it is also provided with handles f projecting from its upper end. A feed-tube G is threaded externally and adapted to be fitted into the tubular portion of the head F, the pitch of the screw-threads in the two parts being the same as the pitch of the threads on the screw-threaded portion of the tap below. Above this threaded portion of the tube are handles g; but the tube projects a little distance above the handles, and this upper end 6o is suitably threaded to provide for the attachment of a cap H, which is internally threaded to it upon this extreme upper end of the feed-tube and is slightly enlargedinits upper portion above the end of the tube. The cap is perforated, the opening being the same size as the opening of the feed-tube; and hence, y because of the enlargement of the cap heretofore mentioned, there will be an inward Iiange h at the top of the cap, so that when 7o the latter is screwed upon the upper end of the feed-tube there will be an annular space between this flange andthe top of the tube,

as seen in Fig. 2 of the drawings. A. set-screw 7L is also passed through this cap into the 75 feed-tube, so as to prevent the former from turning when it is once fixed in position. The drill rod or shaft I if fitted within the feedtube passes down through the lower end of the head F, where a suitable stuffing-box is 8e provided, and thence through the chambers below, and the tap or drill .I is fastened in any suitable manner to its lower end. Aeollar t' is provided on this shaft near its upper end, which is somewhat larger than the opening in the feed-tube and the top of the cap H. When the drill-rod is placed in position, this collar will therefore rest on the upper end of the feed-tube, and the cap II being then slipped over the extreme upper end ofthe 9o drill-rod and turned into place upon the upper end of the feed-tube, the flange in the cap will be drawn down upon the vupper face of the collar on the drill-rod. It will be seen, therefore, that the drill-rod must move lengthwise with the feed-tube. The drill-rodis also perforated horizontally at some convenient place, the aperture t" being shown in the drawings in about the same plane as the handles on the tube. Apertures g are made in roo the feed-tube to correspond with the aperture in the drill-rod,being arranged between the handles of the feed-tube, as shown in the drawings. A pin II is provided, which is fitgether by their several screw-threads. ,Some

device other than the cap maybe provided for fastening the drill-rod to the feed-tube 7o lengthwise, and some other device may be together, sothat the turning of the drill-rod substituted for the pin for connecting these will also turn the feed-tube and so effect the two parts together, so that they will turn toted to these apertures in the feed-tube and i proper feed of the drill automatically, as the l; gether. llence I do not wish to be understood l l l drill-rod, and by passing it through them, as shown in Fig. 3 ot` the drawings, it is evident that the drill-rod and tube will be fastened threads of the feed and of the tap are of the as limiting myself in all respects to the par- 75 same pitch, as stated above. ticular devices herein shown and described.

1o A ratchet-wheel L is lixcd upon the upper llaving thus described my invention, what end of the drill-rod, and a ratchet-lever M is I claim as new, and desire to secure by Iletmounted in the usual way on the drill-rod, so ters Patent, is as to be free to turn upon it and arranged so l. In a machine for tapping mains, the 8o that the pawl m will engage with the ratchettubular head F, internally threaded, in comteeth, this being an ordinary device for turnbinatlion with the feed-tube G, externally ing the tap in this kind of machine. 'lhe threaded to tit the head l?, the drill-rod I,inratchet-lever is held in place byany suitable l serted in the feed-tube and provided wit-h a device, and, as shown in the drawings, a eolcollar just above the upperend of the latter 85 and extending over the same, and the screwlar N is fastened tothe upper end of the drillcap ll, secured upon the upper end of the feed-tube and fitting upon the upper face of 2o rod just above the ratchet-lever, and the latthe collar on the d rill-rod, whereby thelatter ter is located between this collar and the top l of the cap. i

In the lower tubular section of the machine l is secured to the feed-tube so as to be moved 9o there is a swinging valve O, which is fastboth np and downby the movement of said ened to a horizontal shaft 0, mounted just i tube, substantially as and for the purposes below the ring D, and provided with a hand- 1 specified. wheel 0', or any other suitable device on its l 2. In a machine for tapping mains, the outer end outside of the section, so that the i tubular head F, internallythreaded at a pitch 95 shaft may be oscillated to open or close the the same as the threads on the tap, in comgo valve from the exteriorof the machine. rlhis bination with the feed-tube G, externally valve is adapted to close the opening in the threaded at the same pitch to tit said head, ring above, so that when thrown up into and provided with a lever for rotating it, and place no fiuid can escape into the tubular a device whereby the said-tube and drill-rod loo chamber above. may be connected and disconnected at pleas- In working this machine the operation is as ure, whereby the drill-rod may be either rofollows: rl`he machine is first fastened to the tated independently of the feed-tube or conmain in any of the ordinary ways. There are nected thereto and rotated with said tube, several well-known devices for this purpose, substantially as and for the purposes speci- 105 and there is no necessity of a special descriptied.

4o tion here. All the parts are of course mount- 3. The tubular head F, internally threaded in place and secured together as above deed, in combination with the feed-tube G, exscrbed, except that at first the drill-rod and ternally threaded, the drill-rod I, tap .'I, feed-tube are not fastened together by the threaded ata pitch the same as the feed- 11o pin mentioned above. 'lhe drill-rod is then tube, and the pin K, adapted to pass through rotated by means of the ratchet-lever, theresuitable apertu resin said tube and rod, wherequired feed being effected by turning the by they may be fastened together or disconfeed-tube by hand through the handles atnected at will, substantially as and for the tached thereto until the drill has eut through purposes specified. 115 the main. Then, for the further boring of 1. In a machine for tapping mains, the

5o the main the feed maybe more rapid; and the tubular section C, internally threaded at its drill-rod and feed-tube are fastened together upperend, in combination with the threaded 1 by the pin, as already described, and the furring` I), fitted to the interior thereof, and the ther working of the ratchet-lever will then upper tubular section ll, threaded at its 12o not only turn the drill-rod but also the feedlower end and provided with an inwardlytube with it, thereby effecting the proper projecting flange c, whereby it is seated on feed automatically and by the same device the said ring, substantially as and for the that turns the drill-rod. The operation of purposes specified. the other parts of the machine are the same 5. The tubular section C, in combination I as usual. IVhen the boring of the main is with the threaded ring D, the upper tubular 6o completed, the drill is withdrawn by turning section E, and the valve O, adapted to be the feed-tube in the proper direction, and j closed upon the under side of said ring, subwhen drawn up into the upper tubular porl st-antially as and for the purposes specified.

tion E the valve O is closed to )revent the Y Y y 1 flow of fluid into this chamber. IIhe handles 'Num LIAB hln on the head F are for the purpose of readily lvVtnesses'.

adjusting the several sections of the machine A` M. BEST, into proper position and fastening them toll. I). IIOLLISTER.

US447001A Machine for tapping mains Expired - Lifetime US447001A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6640827B1 (en) * 2001-10-08 2003-11-04 Mcclure Mark A. Hot tapping tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6640827B1 (en) * 2001-10-08 2003-11-04 Mcclure Mark A. Hot tapping tool

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