GB856610A - Improvements in or relating to tube couplings - Google Patents

Improvements in or relating to tube couplings

Info

Publication number
GB856610A
GB856610A GB33133/59A GB3313359A GB856610A GB 856610 A GB856610 A GB 856610A GB 33133/59 A GB33133/59 A GB 33133/59A GB 3313359 A GB3313359 A GB 3313359A GB 856610 A GB856610 A GB 856610A
Authority
GB
United Kingdom
Prior art keywords
sleeve
tubes
edges
compression
walls
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB33133/59A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carlsson & Larsson AB
Original Assignee
Carlsson & Larsson AB
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 Carlsson & Larsson AB filed Critical Carlsson & Larsson AB
Publication of GB856610A publication Critical patent/GB856610A/en
Expired legal-status Critical Current

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-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/141—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
    • F16L13/142—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside with a sealing element inserted into the female part before crimping or rolling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gasket Seals (AREA)

Abstract

856,610. Tube couplings. CARLSSON & LARSSON A.B. Sept. 30, 1959 [Oct. 1, 1958], No. 33133/59. Class 99(1). In a coupling wherein metal tubes 1 are connected by a metal sleeve 3 having an internal diameter greater than the external diameter of the tubes, there are local sharppointed engaging elements or dis-continuities and sealing elements in the annular space between the sleeve and tubes and which are adapted, by radial compression of the sleeve, to cause such a local deformation of the corresponding contact places that the sleeve and tube, by positive interengagement in the deformations thereby produced, form a rigid unit resistant to compression in the coupling. As shown, the sleeve is provided with grooves 4, 5 which receive sealing rings 6, 7 of polytetrafluoroethylene, rubber or zinc, one wall of each groove being extended radially to form edges 8, 9 such that when the sleeve is compressed those edges are pressed into the walls of the tubes. In modifications, (a) the grooves 4, 5 receive local circumferential beads formed in the walls of the tube by compression of the sleeve, (b) hard particles 11, Fig. 4, within an elastic sealing mass 12 between the sleeve and tubes are pressed into the walls of the sleeve and tubes, and (c) the edges 8, 9 are in the same plane as the inner wall of the sleeve and the latter has external, annular beads ; alternatively, the beads are incorporated in the dies for compression of the sleeve. The edges 8, 9 may be helical in form and have interruptions therein.
GB33133/59A 1958-10-01 1959-09-30 Improvements in or relating to tube couplings Expired GB856610A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE856610X 1958-10-01

Publications (1)

Publication Number Publication Date
GB856610A true GB856610A (en) 1960-12-21

Family

ID=20362856

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33133/59A Expired GB856610A (en) 1958-10-01 1959-09-30 Improvements in or relating to tube couplings

Country Status (1)

Country Link
GB (1) GB856610A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244441A (en) * 1961-12-28 1966-04-05 Mueller Co Crimped tube joint
US4626000A (en) * 1982-09-08 1986-12-02 Leary Michael O Spigot and socket connections
US5649662A (en) * 1992-11-20 1997-07-22 Lindab A/S Method and a pipe element for providing a radially outwards directed bead at the end rim of a pipe
EP2415908A1 (en) * 2010-08-05 2012-02-08 Aktiebolaget SKF Connection assembly and method for producing a connection element in the form of a casing

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244441A (en) * 1961-12-28 1966-04-05 Mueller Co Crimped tube joint
US4626000A (en) * 1982-09-08 1986-12-02 Leary Michael O Spigot and socket connections
US5649662A (en) * 1992-11-20 1997-07-22 Lindab A/S Method and a pipe element for providing a radially outwards directed bead at the end rim of a pipe
EP2415908A1 (en) * 2010-08-05 2012-02-08 Aktiebolaget SKF Connection assembly and method for producing a connection element in the form of a casing

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