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Individual
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Individual
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Priority to ES0081332UpriorityCriticalpatent/ES81332Y/en
Publication of ES81332UpublicationCriticalpatent/ES81332U/en
Application grantedgrantedCritical
Publication of ES81332YpublicationCriticalpatent/ES81332Y/en
Closing device for large liquid tanks, characterized by comprising: an angle profile fence that fits and fixes framing the elliptical opening provided for that purpose in the tank; a stuffed plate sealing the opening of the tank, supported internally to the profile at an angle by two hinges on one side, which has its periphery shaped as a channel, which involves an elastic ring that supports the inner side of the fence to effect the sealing; and an arm that secures the plate in the closed position. (Machine-translation by Google Translate, not legally binding)
ES0081332U1960-05-231960-05-23
Closing device for large liquid tanks
ExpiredES81332Y
(en)