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Individual
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Individual
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Priority to ES0233191ApriorityCriticalpatent/ES233191A2/en
Publication of ES233191A2publicationCriticalpatent/ES233191A2/en
Improvements in the automatic groups for coffeemakers subject of the main patent, especially retention devices for automatic distributing groups of mechanical coffee makers, characterized in that a coax auxiliary piston and coupled with the distributor piston of the group, can move, overcoming the action of a spring that it maintains it at its bottom dead center, in a cylinder whose upper chamber communicates alternately, through an automatic device operated by hand, with the discharge and with the fluid supply conduit under pressure, and the distributor piston of the group controls, with its stroke or displacement, the communication with the boiler and furthermore, by the fact that in the discharge conduit there is an intercepting member maintained in the closed position by a spring; said member is supported by its end in an elastic membrane that forms a wall section of the feeder conduit. (Machine-translation by Google Translate, not legally binding)
ES0233191A1957-01-221957-01-22Improvements in automatic groups for coffee machines (Machine-translation by Google Translate, not legally binding)
ExpiredES233191A2
(en)