GB1414791A - Method of and apparatus for jointing surfaces - Google Patents

Method of and apparatus for jointing surfaces

Info

Publication number
GB1414791A
GB1414791A GB2366272A GB2366272A GB1414791A GB 1414791 A GB1414791 A GB 1414791A GB 2366272 A GB2366272 A GB 2366272A GB 2366272 A GB2366272 A GB 2366272A GB 1414791 A GB1414791 A GB 1414791A
Authority
GB
United Kingdom
Prior art keywords
strip
surface layer
tape
laid
immediately before
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
GB2366272A
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.)
Svenska Flaktfabriken AB
Original Assignee
Svenska Flaktfabriken 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 Svenska Flaktfabriken AB filed Critical Svenska Flaktfabriken AB
Publication of GB1414791A publication Critical patent/GB1414791A/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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/022—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
    • F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure

Abstract

1414791 Joint-making packing; pipe couplings SVENSKA FLAKTFABRIKEN AB 19 May 1972 [7 June 1971] 23662/72 Headings F2B and F2G A seal for use in pipe couplings comprises a foamed plastics strip 2, Fig. 1, impregnated with asphalt and having a surface layer 3 formed or provided over at least part of the surface of the strip and having an air permeability less than that of the strip. The strip may be laid into a groove 1a, compressed and fixed in this state by a tape 4, Fig. 2, until immediately before a jointing operation, at which the tape is removed, Fig. 3, and the strip allowed to expand, the surface layer 3 limiting the air permeability of the foamed plastics material. The surface layer 3 may be applied as a separate layer (e.g. a plastics foil) or may be formed by heat-treating the surface. As shown, the strips 2 are laid in grooves around a pipe coupling sleeve 1 and held in compression by the tapes 4 immediately before insertion into the ends of the pipes to be coupled. The surface layer may be perforated in certain zones only and the rate of expansion may be controlled so that some zones expand faster than others.
GB2366272A 1971-06-07 1972-05-19 Method of and apparatus for jointing surfaces Expired GB1414791A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE731371A SE348541B (en) 1971-06-07 1971-06-07

Publications (1)

Publication Number Publication Date
GB1414791A true GB1414791A (en) 1975-11-19

Family

ID=20271023

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2366272A Expired GB1414791A (en) 1971-06-07 1972-05-19 Method of and apparatus for jointing surfaces

Country Status (6)

Country Link
BE (1) BE783819A (en)
CH (1) CH542395A (en)
FR (1) FR2141083A5 (en)
GB (1) GB1414791A (en)
IT (1) IT956393B (en)
SE (1) SE348541B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092633A (en) * 1990-05-16 1992-03-03 Burkit John W Pipe coupler with thrust restraint
US5201550A (en) * 1990-05-16 1993-04-13 Burkit John W Pipe coupling system with thrust restraint
US10926442B2 (en) 2018-03-15 2021-02-23 Toyota Jidosha Kabushiki Kaisha Mold of resin body and resin body

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841413Y2 (en) * 1979-09-19 1983-09-19 日産自動車株式会社 Sealing material for air conditioners
FR2630518B1 (en) * 1988-04-26 1990-08-24 Nobel Plastiques IMPROVED ELEMENT IN SYNTHETIC MATERIAL APPLICABLE IN THE FIELD OF SEALING AND MOLDING
DE19945151C1 (en) * 1999-09-21 2001-07-26 Fraunhofer Ges Forschung Seal for pipe connections

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5092633A (en) * 1990-05-16 1992-03-03 Burkit John W Pipe coupler with thrust restraint
US5201550A (en) * 1990-05-16 1993-04-13 Burkit John W Pipe coupling system with thrust restraint
US10926442B2 (en) 2018-03-15 2021-02-23 Toyota Jidosha Kabushiki Kaisha Mold of resin body and resin body

Also Published As

Publication number Publication date
SE348541B (en) 1972-09-04
CH542395A (en) 1973-09-30
FR2141083A5 (en) 1973-01-19
IT956393B (en) 1973-10-10
BE783819A (en) 1972-09-18

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed