NL6500941A - - Google Patents

Info

Publication number
NL6500941A
NL6500941A NL6500941A NL6500941A NL6500941A NL 6500941 A NL6500941 A NL 6500941A NL 6500941 A NL6500941 A NL 6500941A NL 6500941 A NL6500941 A NL 6500941A NL 6500941 A NL6500941 A NL 6500941A
Authority
NL
Netherlands
Application number
NL6500941A
Other versions
NL138912B (nl
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 NL6500941A publication Critical patent/NL6500941A/xx
Publication of NL138912B publication Critical patent/NL138912B/xx

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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow in pipes or hoses
    • F16L55/12—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ
    • F16L55/128—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
    • F16L55/136—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially expanding or deforming a split ring, hooks or the like
    • 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
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/02—Detachable closure members; Means for tightening closures
    • 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
    • G01M3/022—Test plugs for closing off the end of a pipe

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
NL6500941A 1964-01-28 1965-01-26 Inrichting voor het afsluiten van een pijpboring of soortgelijke cirkelvormige opening tijdens een beproevingsdruk. NL138912B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB363664 1964-01-28

Publications (2)

Publication Number Publication Date
NL6500941A true NL6500941A (enrdf_load_stackoverflow) 1965-07-29
NL138912B NL138912B (nl) 1973-05-15

Family

ID=9762058

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6500941A NL138912B (nl) 1964-01-28 1965-01-26 Inrichting voor het afsluiten van een pijpboring of soortgelijke cirkelvormige opening tijdens een beproevingsdruk.

Country Status (2)

Country Link
BE (1) BE658831A (enrdf_load_stackoverflow)
NL (1) NL138912B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613936A (en) * 1970-04-20 1971-10-19 Arthur E Kaiser Adjustable diameter pipe closure plug
US3978892A (en) * 1973-04-13 1976-09-07 Saipem S.P.A. Self-locking plug apparatus for sealing and recovering a pipeline laid on a deep submerged bed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613936A (en) * 1970-04-20 1971-10-19 Arthur E Kaiser Adjustable diameter pipe closure plug
US3978892A (en) * 1973-04-13 1976-09-07 Saipem S.P.A. Self-locking plug apparatus for sealing and recovering a pipeline laid on a deep submerged bed

Also Published As

Publication number Publication date
NL138912B (nl) 1973-05-15
BE658831A (enrdf_load_stackoverflow) 1965-07-26

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: HIGH PRESSURE

V4 Lapsed because of reaching the maxim lifetime of a patent