US174543A - Improvement in devices for tapping mains - Google Patents

Improvement in devices for tapping mains Download PDF

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Publication number
US174543A
US174543A US174543DA US174543A US 174543 A US174543 A US 174543A US 174543D A US174543D A US 174543DA US 174543 A US174543 A US 174543A
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United States
Prior art keywords
valve
devices
improvement
tapping
mains
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Expired - Lifetime
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/04—Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor
    • F16L41/06—Tapping 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/598—With repair, tapping, assembly, or disassembly means
    • Y10T137/612—Tapping a pipe, keg, or apertured tank under pressure
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/598—With repair, tapping, assembly, or disassembly means
    • Y10T137/612—Tapping a pipe, keg, or apertured tank under pressure
    • Y10T137/613—With valved closure or bung
    • Y10T137/614—Rotary movement of valve

Definitions

  • Fig. 3 is a plan section through the line avg of Fig. 2.
  • Fig. ⁇ I is a longitudinal section of the universallyjointed saddle.
  • This invention relates to machines for tap ping water, gas, or steam mains under pressure; and consists in the device for securing the apparatus to the main in any position, and in the construction of the valve, whereby the necessary changes in tools or the insertion of the service-valve may be effected without withdrawing the drill-rod or removing any of the parts of the device.
  • the saddle I make universal by construpting it with a plain joint arranged between shoulders on the end of the valve-connection.
  • the valve efl'ects the described end by having a horizontal slot cut in its chamber-wall for about two-thirds of its circumference, and of aboutthe width of the drilling-cylinder.
  • A represents the drilling cylinder and rod inside, with the devices for tapping the main.
  • the plug B is hollow or simply perforated through, and large enough to allow the tapping devices and service-valve to pass through.
  • the saddle J on the other end of the valve-section is jointed, being shouldered on .each side at (b and b. These shoulders allow the saddle-clip to turn freely about its axis, but prevent longitudinal movement. This construction permits the device to be attached at any angle to correspond with the conditions of the excavation.
  • I claim- 1 In a machine for tapping mains, a valve having its exterior wall or casing slotted circumferentially, as and for the purposes .described.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Description

A. LETZKUS.
DEVICE FOR TAPPING MAINS.
No.174,54:3. Patented March 7,1876.
Fig.1.
Fig.2.
N. PETERS. PHOTO-LITHOGRAPHER. WASHINGTON. D Q 7 V NITED STATES ANTHONY LETZKUS, OF PITTSBURG, PENNSYLVANIA.
IMPROVEMENT IN DEVICES FOR TAPPING MAINS.
Specification forming part of Letters Patent No. 174,543, dated March 7, 1876; application filed October 11, 1875.
To all whom it may concern 7 Be it known that I, ANTHONY LETZKUs of Pittsburg, in the county of Allegheny and v State of Pennsylvania, have invented certain withdrawing the drill or inserting reamer or.
service-valve. Fig. 3 is a plan section through the line avg of Fig. 2. Fig. {I is a longitudinal section of the universallyjointed saddle.
This invention relates to machines for tap ping water, gas, or steam mains under pressure; and consists in the device for securing the apparatus to the main in any position, and in the construction of the valve, whereby the necessary changes in tools or the insertion of the service-valve may be effected without withdrawing the drill-rod or removing any of the parts of the device.
The saddle I make universal by construpting it with a plain joint arranged between shoulders on the end of the valve-connection. The valve efl'ects the described end by having a horizontal slot cut in its chamber-wall for about two-thirds of its circumference, and of aboutthe width of the drilling-cylinder.
Referring to the accompanying drawings, A represents the drilling cylinder and rod inside, with the devices for tapping the main.
' It is screwed or otherwise fitted into the plug B of the valve. The plug B is hollow or simply perforated through, and large enough to allow the tapping devices and service-valve to pass through. On the side opposite the saddle portion of the valve section the walls of the valve are cut away about two-thirds around, forming a horizontal slot. This is for the purpose of making changes in the tools and inserting the service-valve without displacing any of the other parts. It is done by simply turning the drilling-cylinder and the valve-plug till the opening D in the latter registers with the slot in its chamber-walls, the water being shut off by the walls of the plug. The saddle (J on the other end of the valve-section is jointed, being shouldered on .each side at (b and b. These shoulders allow the saddle-clip to turn freely about its axis, but prevent longitudinal movement. This construction permits the device to be attached at any angle to correspond with the conditions of the excavation.
Having fully described my invention, I claim- 1. In a machine for tapping mains, a valve having its exterior wall or casing slotted circumferentially, as and for the purposes .described.
2. In combination with the terminatingpipe of the valve section formed with the shoulders a b, the rotatory saddle-clip O, substantially as described.
3. The drill-cylinderA, in combination with the revoluble plug D, perforated as described,
and drill-rod, substantially as set forth.
In testimony that I claim the foregoing I have hereunto set my hand.
ANTHONY LETZKUS. Witnesses:
JOSEPH GOODMAN, G. STENGEL.
US174543D Improvement in devices for tapping mains Expired - Lifetime US174543A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730128A (en) * 1951-04-06 1956-01-10 Frank C Borst Pivoted valve unit for overhead sprinklers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730128A (en) * 1951-04-06 1956-01-10 Frank C Borst Pivoted valve unit for overhead sprinklers

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