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(12) Patent: | (11) CA 1305597 |
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(21) Application Number: | 1305597 |
(54) English Title: | METHOD AND APPARATUS FOR PLASTIC IMPREGNATION AND JACKETING OF WIRE ROPES |
(54) French Title: | APPAREIL SERVANT A IMPREGNER DE MATIERES PLASTIQUES DES CABLES METALLIQUES ET A LES ENROBER D'UN CHEMISAGE PLASTIQUE, ET METHODE CONNEXE |
Status: | Term Expired - Post Grant |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | ROBIC AGENCE PI S.E.C./ROBIC IP AGENCY LP |
(74) Associate agent: | |
(45) Issued: | 1992-07-28 |
(22) Filed Date: | 1988-10-17 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | None |
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-8-
Abstract of the Disclosure:
A method for single pass impregnation and jacketing of
a wire rope comprises the steps of injecting plastic material
in molten state into the wire rope under sufficient heat and
pressure to fill the interstices between at least the outer
strands of the rope, and directing the excess plastic
material from the surface of the filled wire rope at the exit
of the extrusion process to provide a jacket of plastic
material integrally formed with the filled wire rope. The
apparatus comprises an extruder for injecting the plastic
material into the wire rope and a die located at the exit end
of the extruder for removing the excess plastic material from
the surface of the filled rope and subsequently redirecting
it onto the surface of the wire rope to provide the jacket of
plastic material.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
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Description | Date |
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Inactive: IPC deactivated | 2021-10-09 |
Inactive: IPC deactivated | 2021-10-09 |
Inactive: First IPC assigned | 2019-03-07 |
Inactive: IPC assigned | 2019-03-07 |
Inactive: IPC expired | 2019-01-01 |
Inactive: IPC expired | 2019-01-01 |
Inactive: Correspondence - MF | 2010-08-10 |
Inactive: Expired (old Act Patent) latest possible expiry date | 2009-07-28 |
Appointment of Agent Requirements Determined Compliant | 2008-03-18 |
Inactive: Office letter | 2008-03-18 |
Inactive: Office letter | 2008-03-18 |
Revocation of Agent Requirements Determined Compliant | 2008-03-18 |
Appointment of Agent Requirements Determined Compliant | 2008-02-05 |
Inactive: Office letter | 2008-02-05 |
Inactive: Office letter | 2008-02-05 |
Revocation of Agent Requirements Determined Compliant | 2008-02-05 |
Revocation of Agent Request | 2008-01-10 |
Appointment of Agent Request | 2008-01-10 |
Inactive: IPC from MCD | 2006-03-11 |
Inactive: IPC from MCD | 2006-03-11 |
Inactive: Office letter | 2004-06-09 |
Letter Sent | 2004-05-26 |
Letter Sent | 2004-05-26 |
Letter Sent | 2002-02-13 |
Appointment of Agent Requirements Determined Compliant | 2001-06-13 |
Inactive: Office letter | 2001-06-13 |
Revocation of Agent Requirements Determined Compliant | 2001-06-13 |
Inactive: Office letter | 2001-05-09 |
Letter Sent | 2000-10-24 |
Letter Sent | 2000-10-24 |
Inactive: Multiple transfers | 2000-09-13 |
Inactive: Multiple transfers | 2000-07-18 |
Grant by Issuance | 1992-07-28 |
There is no abandonment history.
Fee Type | Anniversary Year | Due Date | Paid Date |
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MF (category 1, 6th anniv.) - standard | 1998-07-28 | 1998-05-21 | |
MF (category 1, 7th anniv.) - standard | 1999-07-28 | 1999-06-14 | |
MF (category 1, 8th anniv.) - standard | 2000-07-28 | 2000-07-26 | |
Registration of a document | 2000-09-13 | ||
Registration of a document | 2000-11-09 | ||
MF (category 1, 9th anniv.) - standard | 2001-07-30 | 2001-06-04 | |
Registration of a document | 2002-01-03 | ||
MF (category 1, 10th anniv.) - standard | 2002-07-29 | 2002-04-30 | |
MF (category 1, 11th anniv.) - standard | 2003-07-28 | 2003-05-05 | |
Registration of a document | 2004-04-02 | ||
MF (category 1, 12th anniv.) - standard | 2004-07-28 | 2004-05-31 | |
MF (category 1, 13th anniv.) - standard | 2005-07-28 | 2005-05-26 | |
MF (category 1, 14th anniv.) - standard | 2006-07-28 | 2006-05-29 | |
MF (category 1, 15th anniv.) - standard | 2007-07-30 | 2007-05-28 | |
MF (category 1, 16th anniv.) - standard | 2008-07-28 | 2008-06-04 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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WIRE ROPE INDUSTRIES LTD. - INDUSTRIES DE CABLES D'ACIER LTEE |
Past Owners on Record |
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GEORGE E. DELORME |
JOSEPH MISRACHI |
LAURENCE C. SMYTH |