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Individual
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Priority to ES0268965ApriorityCriticalpatent/ES268965A2/en
Publication of ES268965A2publicationCriticalpatent/ES268965A2/en
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
Due to improvements introduced in the object of the main patent no. 231,813, granted by an improved centrifugal pump, essentially characterized in that the front cover of the body, is provided with a rubber washer of circular section, thereby achieving a hermetic seal in relation to the body, which is subject by means of four butterflies, working the impeller in continuous friction against the front face of said lid, as well as against the face of the back cover in which is lodged an automatic stuffing box composed of a special ceramic washer fixed under pressure by a rubber washer against said ceramic washer, fixing to the shaft jointly, a special electric charcoal washer, making gasket by means of the pressure exerted by a spring to the rubber neck in combination with the top of the impeller. (Machine-translation by Google Translate, not legally binding)
ES0268965A1961-07-101961-07-10Centrifugal pump perfected (Machine-translation by Google Translate, not legally binding)
ExpiredES268965A2
(en)
Device of cover for container and especially for domestic container such as pressure cooker. (Machine-translation by Google Translate, not legally binding)
Improvements in overpressure coffee machines with an automatic closure lid that obtains from the down part, and a replaceable replacement of elastic material (Machine-translation by Google Translate, not legally binding)
A perfection in the organs of hermeticity to be mounted between rotating part and fixed part. (Machine-translation by Google Translate, not legally binding)
Device for the obtaining of a homogeneous unión of the section surfaces of a radial and unilaterally sectioned gasket ring. (Machine-translation by Google Translate, not legally binding)