GB451417A - Improvements in or relating to gas-tight joints suitable for evacuated apparatus - Google Patents

Improvements in or relating to gas-tight joints suitable for evacuated apparatus

Info

Publication number
GB451417A
GB451417A GB363835A GB363835A GB451417A GB 451417 A GB451417 A GB 451417A GB 363835 A GB363835 A GB 363835A GB 363835 A GB363835 A GB 363835A GB 451417 A GB451417 A GB 451417A
Authority
GB
United Kingdom
Prior art keywords
liquid
joint
outer ring
parts
joined
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
GB363835A
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB363835A priority Critical patent/GB451417A/en
Publication of GB451417A publication Critical patent/GB451417A/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
    • F16L23/00—Flanged joints
    • F16L23/16—Flanged joints characterised by the sealing means
    • F16L23/167—Flanged joints characterised by the sealing means in connection with the appearance or detection of leaks

Landscapes

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

Abstract

451,417. Joint - making packing. VIGERS, B. E. A., Winnington Hall, Northwich, Cheshire, and IMPERIAL CHEMICAL INDUSTRIES, Ltd., Millbank, London. Feb. 4, 1935, No. 3638. [Class 122 (iii)] [See also Group XXVIII] In a joint for parts of evacuated apparatus such as vacuum vessels and pipes, a packing member of dumb-bell or similar shape makes contact with the parts to be joined along two or more continuous lines, one or more spaces between the lines being filled with a liquid admitted through an opening in one of the joined parts. In the bolted pipe joint shown, the soft metal packing comprises two rings 5 joined by a perforated web 11, the joint faces of the rings being grooved. The outer ring is constructed to yield more easily than the inner, such as by making the crests between the grooves of the outer ring narrower, or the outer ring may be of rubber whilst the inner ring is of copper. Other constructions of sealing ring are described. An opening 7 is provided in the flange 3 for the sealing liquid, and another opening may be provided for escape of air or for circulation of the liquid. The flanges may be recessed at 12 to enlarge the liquid space.
GB363835A 1935-02-04 1935-02-04 Improvements in or relating to gas-tight joints suitable for evacuated apparatus Expired GB451417A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB363835A GB451417A (en) 1935-02-04 1935-02-04 Improvements in or relating to gas-tight joints suitable for evacuated apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB363835A GB451417A (en) 1935-02-04 1935-02-04 Improvements in or relating to gas-tight joints suitable for evacuated apparatus

Publications (1)

Publication Number Publication Date
GB451417A true GB451417A (en) 1936-08-04

Family

ID=9762093

Family Applications (1)

Application Number Title Priority Date Filing Date
GB363835A Expired GB451417A (en) 1935-02-04 1935-02-04 Improvements in or relating to gas-tight joints suitable for evacuated apparatus

Country Status (1)

Country Link
GB (1) GB451417A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1185873B (en) * 1960-01-20 1965-01-21 Leybolds Nachfolger E Method and device for sealing ultra-high vacuum flange connections
DE3144578A1 (en) * 1981-11-10 1983-05-26 Kempchen & Co Gmbh, 4200 Oberhausen Seal arrangement having two seals
CH678564A5 (en) * 1989-08-07 1991-09-30 Jakob Tobler
DE19724323A1 (en) * 1997-06-10 1998-12-17 Leybold Vakuum Gmbh Flange connection
GB2340111A (en) * 1998-08-04 2000-02-16 Nirex Uk Ltd Unitary double ring seal

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1185873B (en) * 1960-01-20 1965-01-21 Leybolds Nachfolger E Method and device for sealing ultra-high vacuum flange connections
DE3144578A1 (en) * 1981-11-10 1983-05-26 Kempchen & Co Gmbh, 4200 Oberhausen Seal arrangement having two seals
CH678564A5 (en) * 1989-08-07 1991-09-30 Jakob Tobler
DE19724323A1 (en) * 1997-06-10 1998-12-17 Leybold Vakuum Gmbh Flange connection
GB2340111A (en) * 1998-08-04 2000-02-16 Nirex Uk Ltd Unitary double ring seal
GB2340111B (en) * 1998-08-04 2002-09-11 United Kingdom Nirex Ltd Unitary double ring seal
US6557858B1 (en) 1998-08-04 2003-05-06 United Kingdom Nirex Limited Unitary double ring seal

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