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1. (WO1997017565) METHOD AND APPARATUS FOR LINING A CONDUIT
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1997/017565 International Application No.: PCT/CA1996/000738
Publication Date: 15.05.1997 International Filing Date: 08.11.1996
Chapter 2 Demand Filed: 06.06.1997
IPC:
F16L 55/163 (2006.01) ,F16L 55/165 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
L
PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
55
Devices or appurtenances for use in, or in connection with, pipes or pipe systems
16
Devices for covering leaks in pipes or hoses, e.g. hose-menders
162
from inside the pipe
163
a ring, a band or a sleeve being pressed against the inner surface of the pipe
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
L
PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
55
Devices or appurtenances for use in, or in connection with, pipes or pipe systems
16
Devices for covering leaks in pipes or hoses, e.g. hose-menders
162
from inside the pipe
165
a pipe being inserted in the damaged section
Applicants:
LINK-PIPE, INC. [CA/CA]; Unit #2 27 West Beaver Creek Road Richmond Hill, Ontario L4B 1M8, CA
Inventors:
MAIMETS, Lembit; CA
Agent:
BERESKIN & PARR; 40th floor 40 King Street West Toronto, Ontario M5H 3Y2, CA
Priority Data:
60/006,49609.11.1995US
Title (EN) METHOD AND APPARATUS FOR LINING A CONDUIT
(FR) PROCEDE ET DISPOSITIF SERVANT A DOUBLER UN CONDUIT
Abstract:
(EN) A conduit lining method and apparatus for lining conduits, particularly conduits in need of repair. The apparatus includes a longitudinally extending liner (1) initially transversely curled in a pre-installation position but being capable of becoming uncurled in an installation position to form a longitudinally extending generally cylindrically shaped liner (1) for placement adjacent an interior surface of a conduit (6) to be lined or repaired. The liner (1) has longitudinally extending locking edges which become mutually engaged as a torpedo-shaped member (9) is inserted within the liner (1), while in the curled pre-installation position, and the member is moved longitudinally therethrough.
(FR) Procédé et dispositif servant à doubler des conduits, en particulier, des conduits nécessitant une réparation. Ce dispositif comprend une doublure (1) s'étendant dans le sens de la longueur et initialement repliée en boucle dans un sens transversal dans une position préalable au montage mais pouvant être dépliée en position de montage, de manière à constituer une doublure (1) de forme généralement cylindrique s'étendant dans le sens de la longueur, afin d'être placée en position contiguë à une surface intérieure d'un conduit (6) devant être doublé ou réparé. Cette doublure (1) possède des bords de verrouillage s'étendant dans la longueur et s'accouplant réciproquement simultanément à l'introduction d'un élément en forme de torpille (9) à l'intérieur de la doublure (1), tandis qu'elle est dans la position repliée en boucle d'installation préalable, et au déplacement dudit élément dans la longueur de la doublure.
Designated States: BR, CA, CN, JP, KR
European Patent Office (AT, BE, CH, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
EP0859929CN1204389CA2236857KR1019990067464