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(12) Patent: | (11) CA 1327815 |
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(21) Application Number: | 1327815 |
(54) English Title: | MONTAGE MONOBLOC A PLATEAUX ETAGES POUR TRAITEMENT THERMIQUE D'ARBRES OU D'AXES |
(54) French Title: | MONOBLOC ARRANGEMENT WITH TIERED PLATFORM FOR HEATING TREATMENT OF SHAFTS AND AXLES |
Status: | Expired and beyond the Period of Reversal |
(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: | SWABEY OGILVY RENAULT |
(74) Associate agent: | |
(45) Issued: | 1994-03-15 |
(22) Filed Date: | 1989-01-11 |
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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ABREGE DESCRIPTIF
L'invention concerne un montage pour traitement
thermique de pièces mécaniques telles que arbres ou axes,
en position verticale, comportant un ensemble monobloc en
forme de plateau qui réunit à la fois un étage supérieur
formé d'orifices de support pour le support et le centrage
direct de l'extrémité inférieure des pièces, ces orifices
étant réunis par des nervures horizontales, un étage
inférieur formé également d'orifices et de nervures, et
des piliers verticaux réunissant ces nervures de l'un et
l'autre étage tout en laissant subsister de larges
ouvertures pour la circulation de fluides. Le montage
selon l'invention assure le positionnement vertical des
pièces pour éviter les déformations en cours de traite-
ment, tout en étant à la fois léger et groupant le maximum
de nombre de pièces afin de maximiser la charge utile
ainsi que le nombre de pièces à traiter par charge. Un
tel montage favorise également les conditions de
refroidissement lors de la trempe par un bon passage des
fluides, et est hautement résistant aux chocs thermiques
et aux efforts de poussée d'un four puissant.
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.
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Description | Date |
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Inactive: IPC from MCD | 2006-03-11 |
Time Limit for Reversal Expired | 2002-03-15 |
Letter Sent | 2001-03-15 |
Inactive: Late MF processed | 1998-04-15 |
Letter Sent | 1998-03-16 |
Grant by Issuance | 1994-03-15 |
There is no abandonment history.
Fee Type | Anniversary Year | Due Date | Paid Date |
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Reversal of deemed expiry | 1998-03-16 | 1998-04-15 | |
MF (category 1, 4th anniv.) - standard | 1998-03-16 | 1998-04-15 | |
MF (category 1, 5th anniv.) - standard | 1999-03-15 | 1999-03-15 | |
MF (category 1, 6th anniv.) - standard | 2000-03-15 | 2000-02-07 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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SOCIETE MANCELLE DE FONDERIE |
Past Owners on Record |
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EMILE VIGOUROUX |