Processing

Please wait...

Settings

Settings

Goto Application

1. WO1997028398 - ISOLATION TOOL

Publication Number WO/1997/028398
Publication Date 07.08.1997
International Application No. PCT/CA1997/000055
International Filing Date 28.01.1997
Chapter 2 Demand Filed 26.08.1997
IPC
F16L 55/128 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
55Devices or appurtenances for use in, or in connection with, pipes or pipe systems
10Means for stopping flow in pipes or hoses
12by introducing into the pipe a member expandable in situ
128introduced axially into the pipe or hose
F16L 55/132 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
55Devices or appurtenances for use in, or in connection with, pipes or pipe systems
10Means for stopping flow in pipes or hoses
12by introducing into the pipe a member expandable in situ
128introduced axially into the pipe or hose
132the closure device being a plug fixed by radially deforming the packing
F16L 55/28 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
55Devices or appurtenances for use in, or in connection with, pipes or pipe systems
26Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
28Constructional aspects
CPC
F16L 55/1283
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
55Devices or appurtenances for use in, or in connection with, pipes or pipe systems
10Means for stopping flow from or in pipes or hoses
12by introducing into the pipe a member expandable in situ
128introduced axially into the pipe or hose
1283Plugging pig
F16L 55/132
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
55Devices or appurtenances for use in, or in connection with, pipes or pipe systems
10Means for stopping flow from or in pipes or hoses
12by introducing into the pipe a member expandable in situ
128introduced axially into the pipe or hose
132the closure device being a plug fixed by radially deforming the packing
F16L 55/28
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
55Devices or appurtenances for use in, or in connection with, pipes or pipe systems
26Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
28Constructional aspects
Applicants
  • CANADIAN FRACMASTER LTD. [CA]/[CA]
Inventors
  • DYCK, John
  • FLATEKVAL, Gerald, B.
  • GOTOWIK, Horst
Agents
  • ARKIN, Gary, K.
Priority Data
08/593,02129.01.1996US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ISOLATION TOOL
(FR) OUTIL D'ISOLATION
Abstract
(EN)
There is described an improved pipeline isolation tool (10) for plugging a pipeline at a predetermined location, comprising a housing (30) adapted for movement through a pipeline (1), the housing (30) having first and second ends (29, 41), seals (48) disposed annularly about the housing (30), the seals (48) being radially expandable into fluid sealing contact with an inner wall (2) of the pipeline (1), and a plurality of braking members (120) including grips (46) for frictionally engaging the inner wall (2) of said pipeline (1) to lock the isolation tool (10) in position against fluid pressure in the pipeline (1), the braking members (120) being selectively and repetitively movable between a first position in which the grips (46) are disengaged from the inner pipeline wall (2) and a second position in which the grips (46) engage the inner wall (2).
(FR)
La présente invention concerne un outil amélioré (10) d'isolation d'un pipeline, destiné à l'obturer à un endroit déterminé. Cet outil comprend une enveloppe (30) conçue pour se déplacer dans un pipeline (1), présentant une première et une deuxième extrémités (29, 41), des joints (48) annulaires placés autour de l'enveloppe (30) et expansibles radialement de sorte qu'ils viennent en contact avec une paroi intérieure (2) du pipeline (1) pour former un joint d'étanchéité, et plusieurs éléments de freinage (120) comportant des pièces de serrage (46) qui entrent en contact à friction avec la paroi intérieure pour bloquer l'outil d'isolation (10) dans sa position afin qu'il résiste à la pression du fluide. Les éléments de freinage (120) peuvent être déplacés de manière sélective et répétée entre une première position, dans laquelle les pièces de serrage (46) sont dégagées de la paroi (2), et une deuxième position, dans laquelle elles se pressent contre elles.
Latest bibliographic data on file with the International Bureau