FR2270573A1 - - Google Patents

Info

Publication number
FR2270573A1
FR2270573A1 FR7514163A FR7514163A FR2270573A1 FR 2270573 A1 FR2270573 A1 FR 2270573A1 FR 7514163 A FR7514163 A FR 7514163A FR 7514163 A FR7514163 A FR 7514163A FR 2270573 A1 FR2270573 A1 FR 2270573A1
Authority
FR
France
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
FR7514163A
Other languages
French (fr)
Other versions
FR2270573B1 (OSRAM
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.)
HASHA MALVERN
Original Assignee
HASHA MALVERN
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27041931&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2270573(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US05/506,547 external-priority patent/US4132111A/en
Application filed by HASHA MALVERN filed Critical HASHA MALVERN
Publication of FR2270573A1 publication Critical patent/FR2270573A1/fr
Application granted granted Critical
Publication of FR2270573B1 publication Critical patent/FR2270573B1/fr
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
    • G01M3/2853—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 pipe joints or seals
    • G01M3/2861—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 pipe joints or seals for pipe sections by testing its exterior surface

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
FR7514163A 1974-05-06 1975-05-06 Expired FR2270573B1 (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46713374A 1974-05-06 1974-05-06
US05/506,547 US4132111A (en) 1974-05-06 1974-09-16 Leak testing method and apparatus for tubular members packer means therefor

Publications (2)

Publication Number Publication Date
FR2270573A1 true FR2270573A1 (OSRAM) 1975-12-05
FR2270573B1 FR2270573B1 (OSRAM) 1980-05-16

Family

ID=27041931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7514163A Expired FR2270573B1 (OSRAM) 1974-05-06 1975-05-06

Country Status (5)

Country Link
DE (1) DE2519915A1 (OSRAM)
FR (1) FR2270573B1 (OSRAM)
GB (1) GB1509382A (OSRAM)
NL (2) NL182346C (OSRAM)
NO (1) NO144278C (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0045418A3 (en) * 1980-08-01 1982-08-04 Hoesch Werke Aktiengesellschaft Process and apparatus for testing oil pipes

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1198212B (it) * 1985-12-02 1988-12-21 Carrier Corp Metodo ed apparecchio per misurare la dimensione dei pori per la fabbricazione di tubi lavorati
DE3933873A1 (de) * 1989-10-11 1991-05-08 Muecher Hermann Gmbh Pruefeinrichtung zur kontrolle der dichtheit von rohrverbindungen
GB2237393A (en) * 1989-10-20 1991-05-01 Marconi Co Ltd Pressure-testing apparatus
CN108386184B (zh) * 2018-04-25 2023-06-02 中国石油大学(北京) 水平井井眼坍塌压力测试装置
CN119394863B (zh) * 2024-12-31 2025-04-01 长沙欧伊尔实验设备有限公司 一种全自动微粒透析测定装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2587192A (en) * 1948-07-06 1952-02-26 Meyer Herman Leakage tester for threaded pipe couplings
US2761311A (en) * 1954-02-23 1956-09-04 Malcolm C Baker Pipe collar tester
US3034339A (en) * 1957-10-17 1962-05-15 Paul P Flusche Tool for detecting pipe leaks

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0045418A3 (en) * 1980-08-01 1982-08-04 Hoesch Werke Aktiengesellschaft Process and apparatus for testing oil pipes

Also Published As

Publication number Publication date
DE2519915C2 (OSRAM) 1988-02-25
NL8702440A (nl) 1988-02-01
GB1509382A (en) 1978-05-04
NO144278C (no) 1981-07-29
NL182346C (nl) 1988-02-16
DE2519915A1 (de) 1975-11-20
NO751592L (OSRAM) 1975-11-07
NO144278B (no) 1981-04-21
FR2270573B1 (OSRAM) 1980-05-16
NL7505334A (nl) 1975-11-10

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Legal Events

Date Code Title Description
ST Notification of lapse