GB1165158A - Improvements in or relating to apparatus for Applying Fluid Pressure to the inside of Hollow Vessels such as Pipes - Google Patents

Improvements in or relating to apparatus for Applying Fluid Pressure to the inside of Hollow Vessels such as Pipes

Info

Publication number
GB1165158A
GB1165158A GB5349965A GB5349965A GB1165158A GB 1165158 A GB1165158 A GB 1165158A GB 5349965 A GB5349965 A GB 5349965A GB 5349965 A GB5349965 A GB 5349965A GB 1165158 A GB1165158 A GB 1165158A
Authority
GB
United Kingdom
Prior art keywords
pipe
pipes
pressure
plattens
water
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
GB5349965A
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.)
PETER LAWRENCE RAWLINSON
Stelmo Ltd
Original Assignee
PETER LAWRENCE RAWLINSON
Stelmo 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 PETER LAWRENCE RAWLINSON, Stelmo Ltd filed Critical PETER LAWRENCE RAWLINSON
Priority to GB5349965A priority Critical patent/GB1165158A/en
Publication of GB1165158A publication Critical patent/GB1165158A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2846—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for tubes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

1,165,158. Testing strength of pipes &c. STELMO Ltd. and P.L. RAWLINSON. Oct. 19, 1966 [Dec. 16, 1965], No.53499/65. Heading G1S. A pipe or hollow vessel testing apparatus comprises a metal frame or block bed 11, slidably supporting plattens 17, 18 between which the pipe under test may be clamped for filling with water under pressure. The plattens are each rubber faced and mounted on trolleys 19 so that they may be moved by hydraulic pistons and cylinders 25, 24 and 28, 29, and the pipe may be lowered by crane or side rolled on to supports 56 which are hydraulically adjustable vertically and horizontally slidable. The platten 17 may be locked in position by a hydraulically operated pin 27 entering a hole 26. In operation the pipe is clamped at its ends between the plattens and water is then pumped into the pipe via a low-pressure pump 45 and pipes 36, 35 through the face of the platten 18, pumping being continued until overflow takes place through pipes 37, 38, Fig. 2. A solenoid valve 50 is then actuated to cause water from a second but highpressure pump 46 to fill the pipe and raise the pressure to 20 lbs. p.s. inch. When this pressure is reached the valve 50 is shut and a bell rings for 30 seconds during which time pressure is maintained and the pipe inspected for leaks.
GB5349965A 1965-12-16 1965-12-16 Improvements in or relating to apparatus for Applying Fluid Pressure to the inside of Hollow Vessels such as Pipes Expired GB1165158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5349965A GB1165158A (en) 1965-12-16 1965-12-16 Improvements in or relating to apparatus for Applying Fluid Pressure to the inside of Hollow Vessels such as Pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5349965A GB1165158A (en) 1965-12-16 1965-12-16 Improvements in or relating to apparatus for Applying Fluid Pressure to the inside of Hollow Vessels such as Pipes

Publications (1)

Publication Number Publication Date
GB1165158A true GB1165158A (en) 1969-09-24

Family

ID=10468028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5349965A Expired GB1165158A (en) 1965-12-16 1965-12-16 Improvements in or relating to apparatus for Applying Fluid Pressure to the inside of Hollow Vessels such as Pipes

Country Status (1)

Country Link
GB (1) GB1165158A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197490A (en) * 1986-11-17 1988-05-18 John Condron Apparatus for leak/porosity testing a pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197490A (en) * 1986-11-17 1988-05-18 John Condron Apparatus for leak/porosity testing a pipe
GB2197490B (en) * 1986-11-17 1990-07-25 John Condron Leak and porosity testing of pipes

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Legal Events

Date Code Title Description
PS Patent sealed
PE Patent expired