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(12) Patent: | (11) CA 1153667 |
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(21) Application Number: | 347530 |
(54) English Title: | SHORT COUPLING WITH TWO SHUTOFFS IN SERIES |
(54) French Title: | ENSEMBLE COURT A DEUX OBTURATEURS EN SERIE |
Status: | Expired |
(52) Canadian Patent Classification (CPC): |
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(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : | |
(74) Agent: | ROBIC, ROBIC & ASSOCIES/ASSOCIATES |
(74) Associate agent: | |
(45) Issued: | 1983-09-13 |
(22) Filed Date: | 1980-03-12 |
Availability of licence: | 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 DE LA DIVULGATION:
Dispositif à deux obturateurs en série pour une
conduite hydraulique de haute chute, et comportant un obtu-
rateur amont et un obturateur aval, tous deux rotatifs sur
tourillons, ces deux obturateurs étant disposés en série à
l'intérieur d'un corps, relié à la conduite en amont et en
aval. Ce corps est constitué par deux demi-corps amont et
aval supportant chacun les tourillons de rotation d'un obtu-
rateur, ces deux demi-corps étant disposés symétriquement
par rapport à un seul plan d'assemblage transversal et étant
relies entre eux au niveau des brides. Une pièce intermé-
diaire est disposée entre les deux obturateurs, enserrée
entre les brides de liaison des deux demi-corps amont et
aval, et supporte au moins un joint pour au moins l'un des
obturateurs, L'invention s'applique à la protection des
turbines dans une installation hydroélectrique de haute
chute.
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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Title | Date |
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Forecasted Issue Date | 1983-09-13 |
(22) Filed | 1980-03-12 |
(45) Issued | 1983-09-13 |
Expired | 2000-09-13 |
There is no abandonment history.
Fee Type | Anniversary Year | Due Date | Amount Paid | Paid Date |
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Application Fee | $0.00 | 1980-03-12 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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NEYRPIC |
Past Owners on Record |
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None |