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Priority to ES1968141237UpriorityCriticalpatent/ES141237Y/en
Publication of ES141237UpublicationCriticalpatent/ES141237U/en
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Publication of ES141237YpublicationCriticalpatent/ES141237Y/en
Domestic espresso coffee machine, of the kind comprising a central screw element for joining its two bodies, characterized essentially because after threading the central stem fixed at the bottom of the lower body, in a nut-nut integral with the lower plane of the upper body, the coupling of these two bodies is made, adjusting the edge of the neck that presents inferiorly the upper body, on an elastic toric washer coupled in a peripheral groove that offers next to its mouth the funnel-scoop for the ground coffee that comprises the coffee machine, whose washer sits in turn on the edge of the mouth of the lower body, so that this seal formed by the washer, while fulfilling its mission, serves as a support element of the funnel-chuck and safety valve of the coffee machine. (Machine-translation by Google Translate, not legally binding)