ES29770U - Embolo perfected especially applicable to hypodermic syringes and similar (Machine-translation by Google Translate, not legally binding)
- Google Patents
Embolo perfected especially applicable to hypodermic syringes and similar (Machine-translation by Google Translate, not legally binding)
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GRAU PERALES JUAN JOSE
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GRAU PERALES JUAN JOSE
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Priority to ES0029770UpriorityCriticalpatent/ES29770Y/en
Publication of ES29770UpublicationCriticalpatent/ES29770U/en
Application grantedgrantedCritical
Publication of ES29770YpublicationCriticalpatent/ES29770Y/en
Infusion, Injection, And Reservoir Apparatuses
(AREA)
Abstract
Improved piston, especially applicable to hypodermic syringes, characterized in that it comprises a hollow shaft, of external diameter substantially lower than that of the inside of the syringe barrel, provided with an internal rim on the protruding end housed inside it, a peripheral groove provided in a stopper made of an elastic material that is pressurized at said end is fitted in the flange, said stopper having a flange protruding from the edge of said stem, which extends until it comes into contact with soft friction with the internal surface of the cylinder, and a recessed portion, of its surface that results in contact with the liquid, especially arranged to hold a plug inserted in a plastic material unassailable by it, which extends to near the peripheral edge of said walloon. (Machine-translation by Google Translate, not legally binding)
ES0029770U1952-01-291952-01-29
Improved plunger especially applicable to hypodermic and similar syringes
ExpiredES29770Y
(en)