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Priority to ES1969151944UpriorityCriticalpatent/ES151944Y/en
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Publication of ES151944YpublicationCriticalpatent/ES151944Y/en
Infusion, Injection, And Reservoir Apparatuses
(AREA)
Abstract
Improved syringe for injections of the kind comprising two single pieces, one the cylinder and another the piston with its cruciform stem, characterized in that the cylinder bottom is produced slightly concave and at the end of the inner cylindrical face thereof the cylinder has a groove, according to a straight section, with a depth substantially equal to the difference in diameters that exists between said internal cylindrical face and that of the rubbing surface of the piston, whether said internal face is completely cylindrical or slightly frustoconical. . (Machine-translation by Google Translate, not legally binding)
ES1969151944U1969-09-201969-09-20
IMPROVED SYRINGE FOR INJECTIONS.
ExpiredES151944Y
(en)
Improvements in cannons with anchorage, angular transversal section, arranged in the cylinder head. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of fuel injection pumps for internal combustión engines. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of plungers or pistons for engines for internal combustión, compressors and other similar machines (Machine-translation by Google Translate, not legally binding)