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(12) Patent: | (11) CA 1171236 |
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(21) Application Number: | 1171236 |
(54) English Title: | PROCEDE DE FIXATION D'UNE ARMATURE METALLIQUE SUR UN DIELECTRIQUE D'ISOLATEUR |
(54) French Title: | METHOD OF FIXING A METALLIC REINFORCEMENT ON AN INSULATOR DIELECTRIC PART |
Status: | Term Expired - Post Grant |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : | |
(71) Applicants : | |
(74) Agent: | ROBIC, ROBIC & ASSOCIES/ASSOCIATES |
(74) Associate agent: | |
(45) Issued: | 1984-07-24 |
(22) Filed Date: | 1982-01-29 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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PRECIS
Procédé de fixation d'une armature métallique sur un
diélectrique d'isolateur par coulée directe de métal fondu
au niveau d'une portée de scellement du diélectrique,
procédé selon lequel, préalablement à la coulée du métal,
on dispose une rondelle métallique au contact de la partie
du diélectrique adjacente à la portée de scellement. La
rondelle est munie d'une gorge circulaire ouverte du côté
de l'arrivée du métal fondu et, préalablement à la coulée,
on la déforme pour l'appliquer étroitement contre le diélec-
trique et orienter les parois de sa gorge en contre-dépouille
dans le moule de coulée du métal. Et un isolateur obtenu
par ce procédé.
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.
Sorry, the representative drawing for patent document number 1171236 was not found.
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.
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Description | Date |
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Inactive: IPC from MCD | 2006-03-11 |
Inactive: Expired (old Act Patent) latest possible expiry date | 2002-01-29 |
Inactive: Reversal of expired status | 2001-07-25 |
Inactive: Expired (old Act Patent) latest possible expiry date | 2001-07-24 |
Grant by Issuance | 1984-07-24 |
There is no abandonment history.
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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None |
Past Owners on Record |
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CHARLES SABY |
JEAN-PAUL PERRIER |
SERGE JEANNIN |