CA1146879A - Bouchon de tuyau d'egout - Google Patents

Bouchon de tuyau d'egout

Info

Publication number
CA1146879A
CA1146879A CA000381356A CA381356A CA1146879A CA 1146879 A CA1146879 A CA 1146879A CA 000381356 A CA000381356 A CA 000381356A CA 381356 A CA381356 A CA 381356A CA 1146879 A CA1146879 A CA 1146879A
Authority
CA
Canada
Prior art keywords
inner sleeve
pair
inflatable tube
sewer pipe
outer sleeves
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
CA000381356A
Other languages
English (en)
Inventor
Thomas E. Jones
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.)
GREAT NORTHWESTERN DEVELOPMENT Corp
Original Assignee
GREAT NORTHWESTERN DEVELOPMENT Corp
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 GREAT NORTHWESTERN DEVELOPMENT Corp filed Critical GREAT NORTHWESTERN DEVELOPMENT Corp
Priority to CA000381356A priority Critical patent/CA1146879A/fr
Application granted granted Critical
Publication of CA1146879A publication Critical patent/CA1146879A/fr
Expired 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
    • 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
    • F16L55/1283—Plugging pig

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)
CA000381356A 1981-07-08 1981-07-08 Bouchon de tuyau d'egout Expired CA1146879A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA000381356A CA1146879A (fr) 1981-07-08 1981-07-08 Bouchon de tuyau d'egout

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000381356A CA1146879A (fr) 1981-07-08 1981-07-08 Bouchon de tuyau d'egout

Publications (1)

Publication Number Publication Date
CA1146879A true CA1146879A (fr) 1983-05-24

Family

ID=4120392

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000381356A Expired CA1146879A (fr) 1981-07-08 1981-07-08 Bouchon de tuyau d'egout

Country Status (1)

Country Link
CA (1) CA1146879A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9016321B1 (en) 2014-02-26 2015-04-28 Jim Champlone Deployable culvert plug system
US9416908B2 (en) 2014-02-26 2016-08-16 James Richard CHAMPLONE Deployable plug system
CN107676568A (zh) * 2017-12-06 2018-02-09 中石化石油工程技术服务有限公司 一种不停输管道内部液压封堵装置及其使用方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9016321B1 (en) 2014-02-26 2015-04-28 Jim Champlone Deployable culvert plug system
US9416908B2 (en) 2014-02-26 2016-08-16 James Richard CHAMPLONE Deployable plug system
CN107676568A (zh) * 2017-12-06 2018-02-09 中石化石油工程技术服务有限公司 一种不停输管道内部液压封堵装置及其使用方法

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Legal Events

Date Code Title Description
MKEX Expiry