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GB1289141A - - Google Patents

Info

Publication number
GB1289141A
GB1289141A GB1289141DA GB1289141A GB 1289141 A GB1289141 A GB 1289141A GB 1289141D A GB1289141D A GB 1289141DA GB 1289141 A GB1289141 A GB 1289141A
Authority
GB
United Kingdom
Prior art keywords
rings
tube
feb
plastics material
ferrules
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
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 filed Critical
Publication of GB1289141A publication Critical patent/GB1289141A/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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
    • F16J15/028—Sealings between relatively-stationary surfaces with elastic packing the packing being mechanically expanded against the sealing surface
    • 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
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
    • F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
    • F16L19/0218—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings

Landscapes

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

Abstract

1289141 Stuffing-boxes; pipe couplings SEETRU Ltd 3 Feb 1970 [12 Feb 1969] 7514/69 Headings F2B and F2G A gland seal 12 for a liquid level sight tube 1 extending into a mounting socket 10 comprises two resilient 0-rings 20, 21 disposed axially sideby-side between two substantially identical ferrules 16, 17 of rectangular cross-section, one ring, 20, having a greater mean diameter than the other 21, whereby in use, tightening of the gland nut 13 causes the rings 20 and 21 to be pressed against the socket bore 11 and against the tube 1 respectively. The 0-rings may be of natural or synthetic rubber or P.T.F.E. and the ferrules 16 and 17 may be of plastics material. The tube 1 may be of glass or plastics material. In a modification, Fig. 4, the 0-rings are replaced by a single ring of dumbbell section comprising two annular portions 32 and 33 whose centres 30 and 31 are spaced both axially and radially.
GB1289141D 1969-02-12 1969-02-12 Expired GB1289141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB751469 1969-02-12

Publications (1)

Publication Number Publication Date
GB1289141A true GB1289141A (en) 1972-09-13

Family

ID=9834588

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289141D Expired GB1289141A (en) 1969-02-12 1969-02-12

Country Status (1)

Country Link
GB (1) GB1289141A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52145658A (en) * 1976-05-28 1977-12-03 Kubota Ltd Seal structure for cylinder body
GB2146402A (en) * 1983-09-08 1985-04-17 Imp Clevite Inc High pressure tube fitting
US5584489A (en) * 1995-06-07 1996-12-17 Exxon Production Research Company Primary and secondary seal assemblies with contacting convex surfaces
US5607166A (en) * 1995-12-15 1997-03-04 Gorman Company, Inc. Low friction fluid seal device with hinge and roll structure
GB2331339A (en) * 1997-11-14 1999-05-19 Smiths Industries Plc Epidural connector

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52145658A (en) * 1976-05-28 1977-12-03 Kubota Ltd Seal structure for cylinder body
GB2146402A (en) * 1983-09-08 1985-04-17 Imp Clevite Inc High pressure tube fitting
US5584489A (en) * 1995-06-07 1996-12-17 Exxon Production Research Company Primary and secondary seal assemblies with contacting convex surfaces
WO1996041091A1 (en) * 1995-06-07 1996-12-19 Exxon Production Research Company Primary and secondary seal assemblies with contacting convex surfaces
AU701888B2 (en) * 1995-06-07 1999-02-11 Exxon Production Research Company Primary and secondary seal assemblies with contacting convex surfaces
CN1093235C (en) * 1995-06-07 2002-10-23 埃克森美孚上游研究公司 Primary and secondary seal assemblies with contacting convex surfaces
US5607166A (en) * 1995-12-15 1997-03-04 Gorman Company, Inc. Low friction fluid seal device with hinge and roll structure
GB2331339A (en) * 1997-11-14 1999-05-19 Smiths Industries Plc Epidural connector
GB2331339B (en) * 1997-11-14 2002-07-10 Smiths Industries Plc Epidural cannula and connector

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee