US347947A - Joint for metal pipes - Google Patents

Joint for metal pipes Download PDF

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Publication number
US347947A
US347947A US347947DA US347947A US 347947 A US347947 A US 347947A US 347947D A US347947D A US 347947DA US 347947 A US347947 A US 347947A
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United States
Prior art keywords
joint
metal pipes
ring
tube
metal
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • 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
    • F16L1/00Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/26Repairing or joining pipes on or under water
    • 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
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49428Gas and water specific plumbing component making
    • 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
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49826Assembling or joining
    • Y10T29/49908Joining by deforming
    • Y10T29/49925Inward deformation of aperture or hollow body wall
    • Y10T29/49934Inward deformation of aperture or hollow body wall by axially applying force

Definitions

  • This improvement is especially intended for utilizing wroughtiron tubessuch as old fluetubes from steam-boilers but the improvement is available with any kind of wroughtinetal tubes; and by this improvement I am enabled to secure the tubes togetherin a very firm andreliable manner, and also to intro Jerusalem a packing of lead or other soft metal at thejoint to renderthe same perfectly tight.
  • Figure 1 is aseotion of the joint complete.
  • Fig. 2 shows the tube as enlarged at one endand containing the screwring ready to be permanently secured by compressing the tube around the ring and contracting the end portion of the same.
  • the tube A is of wrought metal, preferably wrought-iron or steel. At one end of said tube an exterior screw-thread is cut in the ordinary manner, as at e. The other end of the tube is enlarged cylindricallysufficient for the introduction of the screw-ring (3, which is preferably of malleable cast-iron, and it is provided with an interior screw-thread of a size to fit the exterior screw-thread, e, on the end ofthe next length of pipe.
  • the end portion of the pipe is closed tightly around the same by suitable dies or rolls, in order to hold the said ring from revolving or from moving endwise; and in this operation the extreme portion of the enlarged end is reduced in its diameter until it is only slightly larger than the exterior of the diameter of the pipe.
  • lead or other suitable material is introduced into the annular cavity bounded by the pipe A on one side, the ring 0 on the other side, and the projecting contracted portion D of the next pipe.
  • the lead or other soft metal is to be poured into this recess after the pipes are screwed together, and it is consolidated by calking.
  • I claim as my invention- The method herein specified of making joints between wrought-metal tubes,consisting in spreading the end of the tube, inserting an ihternally-sorew-threaded ring therein, closing the metal around the ring to hold it firmly, screwing into the ring the screw'threaded end of the next pipe, and introducing a packing into the space formed by thetinner tube and that portion ofthe spread end of the outer tube outside the end of the ring, substantially as set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Joints With Pressure Members (AREA)

Description

(No Model.) v
w. A. MILES.
JOINT'FOR METAL PIPES; No. 347,947. Patented Aug. 24, 1886.
' UNITED STATES PATENT OFFIC WILLIAM A. MILES, OF OOPAKE IRON WORKS, NEW YORK.
JOINT FOR METAL PIPES.
tzllLLiCIFICATION forming part of Letters Patent No. 347.9%7 dated August 24, 1886. Application filed June 4, 1885. Serial No. 167,604. (No model.)
1'' 0 aZZ whom it may concern.-
Be it known that I, WILLIAM A. MILES, of Oopake Iron Works, in the county of Columbia and State of New York, have invented an Improvement in Joints for Metal Pipes, of which the following is a specification.
This improvement is especially intended for utilizing wroughtiron tubessuch as old fluetubes from steam-boilers but the improvement is available with any kind of wroughtinetal tubes; and by this improvement I am enabled to secure the tubes togetherin a very firm andreliable manner, and also to intro duce a packing of lead or other soft metal at thejoint to renderthe same perfectly tight.
In the drawings, Figure 1 is aseotion of the joint complete. Fig. 2 shows the tube as enlarged at one endand containing the screwring ready to be permanently secured by compressing the tube around the ring and contracting the end portion of the same. 1
The tube A is of wrought metal, preferably wrought-iron or steel. At one end of said tube an exterior screw-thread is cut in the ordinary manner, as at e. The other end of the tube is enlarged cylindricallysufficient for the introduction of the screw-ring (3, which is preferably of malleable cast-iron, and it is provided with an interior screw-thread of a size to fit the exterior screw-thread, e, on the end ofthe next length of pipe. After the screwring 0 has been introduced, the end portion of the pipe is closed tightly around the same by suitable dies or rolls, in order to hold the said ring from revolving or from moving endwise; and in this operation the extreme portion of the enlarged end is reduced in its diameter until it is only slightly larger than the exterior of the diameter of the pipe. After the pipes have been screwed together, lead or other suitable material is introduced into the annular cavity bounded by the pipe A on one side, the ring 0 on the other side, and the projecting contracted portion D of the next pipe. The lead or other soft metal is to be poured into this recess after the pipes are screwed together, and it is consolidated by calking.
I claim as my invention- The method herein specified of making joints between wrought-metal tubes,consisting in spreading the end of the tube, inserting an ihternally-sorew-threaded ring therein, closing the metal around the ring to hold it firmly, screwing into the ring the screw'threaded end of the next pipe, and introducing a packing into the space formed by thetinner tube and that portion ofthe spread end of the outer tube outside the end of the ring, substantially as set forth.
Signed by me this 30th day of May, A. D. 1885.
WILLIAM A. MILEs.
Witnesses:
ERASTUS WoLooTT, THOMAS E. KEATING. I
US347947D Joint for metal pipes Expired - Lifetime US347947A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797704A (en) * 1953-02-04 1957-07-02 John J Mcdermott Check valve
US2987329A (en) * 1958-07-11 1961-06-06 Packless Metal Hose Inc Corrugated metal hose connections
US5108134A (en) * 1987-10-12 1992-04-28 Irwin William J Pipe connections

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797704A (en) * 1953-02-04 1957-07-02 John J Mcdermott Check valve
US2987329A (en) * 1958-07-11 1961-06-06 Packless Metal Hose Inc Corrugated metal hose connections
US5108134A (en) * 1987-10-12 1992-04-28 Irwin William J Pipe connections

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