GB2274919A - Indicating leaks from pressure cylinders. - Google Patents

Indicating leaks from pressure cylinders. Download PDF

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Publication number
GB2274919A
GB2274919A GB9302176A GB9302176A GB2274919A GB 2274919 A GB2274919 A GB 2274919A GB 9302176 A GB9302176 A GB 9302176A GB 9302176 A GB9302176 A GB 9302176A GB 2274919 A GB2274919 A GB 2274919A
Authority
GB
United Kingdom
Prior art keywords
leak
clic
cylinder
membrane
indicator
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.)
Withdrawn
Application number
GB9302176A
Other versions
GB9302176D0 (en
Inventor
David Attree
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.)
Individual
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
Application filed by Individual filed Critical Individual
Priority to GB9302176A priority Critical patent/GB2274919A/en
Publication of GB9302176D0 publication Critical patent/GB9302176D0/en
Publication of GB2274919A publication Critical patent/GB2274919A/en
Withdrawn legal-status Critical Current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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/12—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water
    • G01M3/14—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
    • G01M3/144—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing elastic covers or coatings, e.g. soapy water for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for valves
    • 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
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

A 'Cylinder Leak Indicator Cap' 1 is a moulded rubber cap with a thinner integral end called a membrane 2. The 'Cylinder Leak Indicator Cap' is passed over the vent outlet of any pressurized cylinder and locked in position by a plastic clip 3. If there is a leak of the contents, the membrane 2 will blow up like a small balloon, (Fig. 3). If the leak continues the membrane will burst, thus indicating a major leak. <IMAGE>

Description

CYLINDER LEAK INDICATOR CAP THIS INVENTION RELATES TO THE 'CYLINDER LEAK INDICATOR CAP' OR (CLIC) FOR SHORT. IT IS DESIGNED TO IDENTIFY THE PROBLEM OF LEAKS FROM PRESSURIZED CYLINDERS. THE TYPE USED TO CONTAIN C02 GAS AND ALL MANNER OF OTHER DANGEROUS AND NON-DANGEROUS CONTENTS, WHICH ARE TRANSPORTED AND STORED IN THIS WAY, READY FOR USE, THE OTHER RELEVANT PROBLEM IS SHORTAGES IN THE CYLINDER WHEN PURCHASED. MY OWN EXPERIENCE HAS BEEN WITH C02 GAS CYLINDERS.
AFTER PURCHASE HOW DO YOU PROVE TO THE SUPPLIER IT WAS SHORT, OR EVEN EMPTY ON DELIVERY. THE SIMPLE ANSWER IS YOU CANT.
UNTIL NOW.
WITH THE INTRODUCTION OF THE 'CYLINDER LEAK INDICATOR CAP' IT WILL GIVE 100% ASSURITY THAT YOU WILL HAVE A FULL CYLINDER ON DELIVERY - OR DUE TO THE FACT THAT THE ('CLIC') HAS BLOW UP, OR IN A MAJOR LEAK SITUATION BURST- YOU ARE ABLE TO REJECT OR ACCEPT DELIVERY JUST AT A GLANCE.
ACCORDING TO THE PRESENT INVENTION THERE IS PROVIDED A 'CYLINDER LEAK INDICATOR CAP' OR (CLIC) WHICH IS MADE OF RUBBER. THE RUBBER IS MOULDED INTO A CAP, WHICH FITS OVER THE VALVE OUTLET AND TIGHT AROUND THE VALVE NECK OF THE CYLINDER. THE CAP IS MADE AIR TIGHT BY FIXING IN POSITION WITH A PLASTIC CLIP. THE CAP IS MOULDED WITH AN INDICATOR MEMBRANE, WHICH FORMS THE FLAT FRONT OF THE CAP. THIS MEMBRANE WILL EXPAND LIKE A SMALL BALLOON, UP TO THE SIZE OF A TENNIS BALL, THUS INDICATING A LEAK. IF THE LEAK CONTINUES THE BALLOON WILL BURST - TITUS INDICATING A MAJOR LEAK. THE 'CLIC' HAS DONE ITS JOB.
IN THIS SIMPLE WAYnikCYLINDER LEAK INDICATOR CAP' CAN ACHIEVE THE FOLLOWING 1. IF THE 'CLIC' IS NOT BROKEN A FULL CYLINDER IS INDICATED.
2. IF THE 'CLIC' IS SLIGHTLY EXPANDED, THE INDICATION IS A SMALL,VERY SLOW LEAK. ACTION CAN BE TAKEN BEFORE A MAJOR LEAK OCCURS.
3. IF THE 'CLIC' HAS BURST, A MAJOR LEAK IS INDICATED.
CYLINDER CAN BE REMOVED FROM DELIVERY TRUCK AND REPLACED, OR THE CUSTOMER CAN REFUSE ACCEPTANCE.
4. VERY IMPORTANT WITH DANGEROUS CONTENTS. AN INSTANT VISUAL CHECK.
5. AUDIBAL WARNING.
6. THE 'CLIC' WILL KEEP EXIT VENT CLEAN AND FREE FROM CONTAMINATION.
7. TO USE THE CYLINDER JUST TURN ON TO BURST THE 'CLIC' THE THREAD WILL BE EXPOSED.
THE SPECIFIC EMBODYMENT OF THE INVENTION WILL NOW BE DESCRIBED BY WAY OF EXAMPLE WITH REFERENCE TO ACCOMPANYING DRAWINGS IN WHICH FIG. 1. SHOWS A SIDE VIEW ON THE CIL WITH THE 'CYLINDER LEAK INDICATOR CAP' IN POSITION ON THE CYLINDER VALVE OUTLET.
FIG.2. SECTION ON CIL SHOWING DETAILED VIEW OF 'CYLINDER LEAK INDICATOR CAP' HELD IN POSITION WITH THE PLASTIC CLIP.
FIG. 3. SHOWING THE BALLOON FORMING WHEN THE INDICATOR MEMBRANE EXPANDS DUE TO A LEAK.
THE'CYLINDER LEAK INDICATOR CAP' 1. WILL BE MADE OF RUBBER. THE RUBBER IS MOULDED INTO A CAP, WHICH FITS OVER THE VALVE OUTLET THREAD. 4. AND TIGHT-AROUND THE VALVE OUTLET NECK 5. OF THE PRESSURIZED CYLINDER, SUCH AS USED FOR C02 GAS. AS SHOWN IN FIG. 2. THE CAP KNOWN AS 'CLIC' FOR SHORT, IS RETAINED IN POSITION WITH A PLASTIC CLIP 3. THUS CREATING A SEAL AT THIS POINT. THE THIN INDICATOR MEMBRANE 2 IS MOULDED TO FORM THE FRONT OF THE 'CLIC'. THIS IS THE WEAK POINT.IF THE PRESSURISED CONTENTS ARE NOW RELEASED, THE INDICATOR MEMBRANE 2 WILL EXPAND, JUST LIKE BLOWING UP A BALLOON. AS SHOWN IN FIG. 3. THE MEMBRANE IS DESIGNED TO BLOW UP THE SIZE OF A TENNIS BALL, AT THIS POINT IT WILL BURST. JUST A VISUAL INSPECTION WILL INDICATE ANY LOSS OF CONTENTS.

Claims (7)

1. THE 'CYLINDER LEAK INDICATOR CAP' (CLIC) IS A MOULDED RUBBER CAP WHICH COVERS THE VALVE OUTLETS OF ANY PRESSURIZED CYLINDER OF THE TYPE USED FOR C02 GAS. THE 'CLIC' IS DESIGNED SO THAT IF THERE IS A LEAK A THIN MEMBRANE MOULDED INTO THE FRONT WILL EXPAND, JUST LIKE A SMALL BALLOON. IF THE LEAK CONTINUES IT WILL BURST WHEN AT TENNIS BALL SIZE INDICATING A MAJOR LEAK.
2. A 'CYLINDER LEAK INDICATOR CAP' (CLIC). AS DESCRIBED HERIN WITH REFERENCE TO FIG. 1 2 AND 3 OF THE ACCOMPANYING DRAWINGS.
Amendments to the claims have been filed as follows 1. A "CLIC" IS A FORM OF CAP WHICH COVERS THE OUTLET VENT OF ANY PRESSURISED CYLINDER. THE "CLIC" WILL IDENTIFY A LEAK BY A BUILT IN EARLY WARNING VISUAL EXPANSION OF AN INDICATOR MEMBRANE. IF THE INDICATOR MEMBRANE BURSTS WHICH IT IS DESIGNED TO DO THIS WILL ALSO INDICATE A LEAK.
2. A "CLIC" AS CLAIMED, IN CLAIM 1, WHERE IN AN INDICATOR MEMBRANE IS PROVIDED WHICH WILL EXPAND UNDER PRESSURE FROM A LEAK.
3. A "CLIC" AS CLAIMED IN CLAIM 1-2 WHERE IN THE EXPANSION OF THE INDICATOR MEMBRANE WILL GIVE A VISUAL INDICATION OF A LEAK.
4. A "CLIC" AS CLAIMS IN 1-3WHERE IN THE INDICATOR MEMBRANE WILL EXPAND AND BURST TO GIVE A VISUAL INDICATION OF A LEAK.
5. A "CLIC" AS CLAIMED IN CLAIM 1-4 IS A VISUAL WAY OF IDENTIFYING A LEAK FROM ANY TYPE OF PRESSURISED CYLINDER.
6. A "CLIC" IS A MEANS FOR INDICATING LEAKAGE FROM PRESSURISED CYLINDERS SPECIFIED SUBSTENTIALLY AS DESCRIBED.
7. A "CLIC" SUBSTANTIALLY AS DESCRIBED HEREIN WITH REFERENCE TO FIGURES 1-8.
GB9302176A 1993-02-04 1993-02-04 Indicating leaks from pressure cylinders. Withdrawn GB2274919A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9302176A GB2274919A (en) 1993-02-04 1993-02-04 Indicating leaks from pressure cylinders.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9302176A GB2274919A (en) 1993-02-04 1993-02-04 Indicating leaks from pressure cylinders.

Publications (2)

Publication Number Publication Date
GB9302176D0 GB9302176D0 (en) 1993-03-24
GB2274919A true GB2274919A (en) 1994-08-10

Family

ID=10729826

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9302176A Withdrawn GB2274919A (en) 1993-02-04 1993-02-04 Indicating leaks from pressure cylinders.

Country Status (1)

Country Link
GB (1) GB2274919A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130167952A1 (en) * 2011-12-30 2013-07-04 Tescom Corporation Apparatus to visually indicate a leak from a relief valve
CN103196639A (en) * 2013-04-26 2013-07-10 南通市华冠电器有限公司 Membrane leak detector
EP2470816A4 (en) * 2009-08-25 2015-05-27 Carrier Corp Method and apparatus to indicate activation of pressure relief device
FR3056673A1 (en) * 2016-09-29 2018-03-30 Airbus Operations CONNECTING DEVICE COMPRISING A FLEXIBLE SLEEVE FOR COLLECTING A LIQUID IN CASE OF LEAK OR SUINTEMENT

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116447351B (en) * 2023-06-12 2023-09-01 四川飞球（集团）有限责任公司 All-welded forged steel fixed ball valve and use method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB601916A (en) * 1945-10-11 1948-05-14 Mather & Platt Ltd Improvements in or relating to fire extinguishers
GB902300A (en) * 1959-08-24 1962-08-01 Owens Illinois Glass Co Improvements in and relating to the detection of leaks in containers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB601916A (en) * 1945-10-11 1948-05-14 Mather & Platt Ltd Improvements in or relating to fire extinguishers
GB902300A (en) * 1959-08-24 1962-08-01 Owens Illinois Glass Co Improvements in and relating to the detection of leaks in containers

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2470816A4 (en) * 2009-08-25 2015-05-27 Carrier Corp Method and apparatus to indicate activation of pressure relief device
US20130167952A1 (en) * 2011-12-30 2013-07-04 Tescom Corporation Apparatus to visually indicate a leak from a relief valve
US9109711B2 (en) * 2011-12-30 2015-08-18 Tescom Corporation Apparatus to visually indicate a leak from a relief valve
CN103196639A (en) * 2013-04-26 2013-07-10 南通市华冠电器有限公司 Membrane leak detector
CN103196639B (en) * 2013-04-26 2015-11-25 南通市华冠电器有限公司 Membrane leak detector
FR3056673A1 (en) * 2016-09-29 2018-03-30 Airbus Operations CONNECTING DEVICE COMPRISING A FLEXIBLE SLEEVE FOR COLLECTING A LIQUID IN CASE OF LEAK OR SUINTEMENT
EP3301344A1 (en) * 2016-09-29 2018-04-04 Airbus Operations S.A.S. Connection device comprising a flexible sleeve for collecting a liquid in the event of leakage or seepage
US10415737B2 (en) 2016-09-29 2019-09-17 Airbus Operations Sas Connection device comprising a flexible tube for collection of a liquid in the event of leakage or oozing

Also Published As

Publication number Publication date
GB9302176D0 (en) 1993-03-24

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)