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WO1996013679A3 - Assembly of tubing and method for forming the same - Google Patents

Assembly of tubing and method for forming the same

Info

Publication number
WO1996013679A3
WO1996013679A3 PCT/US1995/014102 US9514102W WO9613679A3 WO 1996013679 A3 WO1996013679 A3 WO 1996013679A3 US 9514102 W US9514102 W US 9514102W WO 9613679 A3 WO9613679 A3 WO 9613679A3
Authority
WO
WIPO (PCT)
Prior art keywords
bore
end fitting
machines
tubing
fitting
Prior art date
Application number
PCT/US1995/014102
Other languages
French (fr)
Other versions
WO1996013679A2 (en
Inventor
John G Panek
Richard L Gottorff
Original Assignee
Itt Mfg Enterprises Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Itt Mfg Enterprises Inc filed Critical Itt Mfg Enterprises Inc
Publication of WO1996013679A2 publication Critical patent/WO1996013679A2/en
Publication of WO1996013679A3 publication Critical patent/WO1996013679A3/en

Links

Classifications

    • 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
    • F16L13/00—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints
    • F16L13/14—Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Earth Drilling (AREA)

Abstract

A unitary assembly of tubing (10) and an end fitting (16). The end fitting (16) including any fitting appropriate to the end application having a tubular bore extending therethrough. A radiused transition (20) is coaxially provided in the bore (28) at the appropriate interval where the bore (28) constricts. The end of the tubing (10) is coaxially impacted, expanded and sized to an external configuration and dimension that achieves an interference fit relative to the tubular bore (28) through the end fitting (16). The non-expanded end of the tubing (10) is inserted into the largest bore (28) in the end fitting (16) past any transitions and through the smallest bore until it experiences interference from the expansion. The interference is overcome by pressing the expansion into the bore (28) in the end fitting (16) until the expansion is completely seated into the end fitting (16). The expanded tube and end fitting assembly is machined coaxially using a stepped cutting tool. The stepped cutting tool machines the inside diameter of the tube where it has been reduced during end forming, swages the expanded tube into the end fitting bore, machines the female pilot land, machines the sealing surface and machines the visible parting line between the tube and end fitting (16).
PCT/US1995/014102 1994-10-24 1995-10-11 Assembly of tubing and method for forming the same WO1996013679A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32762394A 1994-10-24 1994-10-24
US08/327,623 1994-10-24

Publications (2)

Publication Number Publication Date
WO1996013679A2 WO1996013679A2 (en) 1996-05-09
WO1996013679A3 true WO1996013679A3 (en) 1996-07-18

Family

ID=23277325

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/014102 WO1996013679A2 (en) 1994-10-24 1995-10-11 Assembly of tubing and method for forming the same

Country Status (1)

Country Link
WO (1) WO1996013679A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10009138C2 (en) * 2000-02-26 2002-11-14 Hummel Anton Verwaltung Pipe connection with a connecting part and with at least one pipe

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887853A (en) * 1987-08-28 1989-12-19 Itt Corporation Method and apparatus for providing a unitary assembly of tubing and a terminating fitting
WO1995013903A1 (en) * 1993-11-19 1995-05-26 Itt Manufacturing Enterprises, Inc. Method and apparatus for a unitary assembly of tubing and a pressed on, interference fit, terminating fitting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4887853A (en) * 1987-08-28 1989-12-19 Itt Corporation Method and apparatus for providing a unitary assembly of tubing and a terminating fitting
WO1995013903A1 (en) * 1993-11-19 1995-05-26 Itt Manufacturing Enterprises, Inc. Method and apparatus for a unitary assembly of tubing and a pressed on, interference fit, terminating fitting

Also Published As

Publication number Publication date
WO1996013679A2 (en) 1996-05-09

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