CA2219401A1 - Annular separators for double walled pipe structures - Google Patents

Annular separators for double walled pipe structures

Info

Publication number
CA2219401A1
CA2219401A1 CA002219401A CA2219401A CA2219401A1 CA 2219401 A1 CA2219401 A1 CA 2219401A1 CA 002219401 A CA002219401 A CA 002219401A CA 2219401 A CA2219401 A CA 2219401A CA 2219401 A1 CA2219401 A1 CA 2219401A1
Authority
CA
Canada
Prior art keywords
annular
double walled
walled pipe
pipe structures
bulkhead
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.)
Granted
Application number
CA002219401A
Other languages
French (fr)
Other versions
CA2219401C (en
Inventor
Kenneth David Picking
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.)
Corus UK Ltd
Original Assignee
Individual
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
Priority claimed from GBGB9509861.2A external-priority patent/GB9509861D0/en
Application filed by Individual filed Critical Individual
Publication of CA2219401A1 publication Critical patent/CA2219401A1/en
Application granted granted Critical
Publication of CA2219401C publication Critical patent/CA2219401C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16L7/00—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic
    • F16L7/02—Supporting of pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic and sealing the pipes or cables inside the other pipes, cables or sleeves

Abstract

An annular bulkhead for separating the inner and outer generally coaxial pipes of a double walled pipe structure wherein the bulkhead is in the form of an annular resilient member dimensioned to fit, in use, the annular space between the pipes, wherein the annular resilient member is supported on each axial side thereof by means of at least partial annular rigid rings divided into separate segments and secured together through the resilient annular member.
CA002219401A 1995-05-16 1996-05-13 Annular separators for double walled pipe structures Expired - Fee Related CA2219401C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9509861.2 1995-05-16
GBGB9509861.2A GB9509861D0 (en) 1995-05-16 1995-05-16 Annular separators for double walled pipe structures
PCT/GB1996/001129 WO1996036831A1 (en) 1995-05-16 1996-05-13 Annular separators for double walled pipe structures

Publications (2)

Publication Number Publication Date
CA2219401A1 true CA2219401A1 (en) 1996-11-21
CA2219401C CA2219401C (en) 2007-05-01

Family

ID=38051357

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002219401A Expired - Fee Related CA2219401C (en) 1995-05-16 1996-05-13 Annular separators for double walled pipe structures

Country Status (1)

Country Link
CA (1) CA2219401C (en)

Also Published As

Publication number Publication date
CA2219401C (en) 2007-05-01

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150513