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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0032990UpriorityCriticalpatent/ES32990Y/en
Publication of ES32990UpublicationCriticalpatent/ES32990U/en
Application grantedgrantedCritical
Publication of ES32990YpublicationCriticalpatent/ES32990Y/en
A piston seal for double action, characterized essentially by the fact that, at the head of a piston of any shape and material, a disk of elastic and flexible material is fixed centrally at least at its periphery, whose disk has a diameter Something greater than that corresponding to the cylinder in which the piston moves, said disc acting as a seal in one direction and in the opposite to allow aspiration and expulsion, by the adequate contact with the walls of said cylinder. (Machine-translation by Google Translate, not legally binding)
ES0032990U1952-10-151952-10-15
Plunger seal for double action
ExpiredES32990Y
(en)
Central lubrication distributor device for swivel or oscillating organs with great displacement application (Machine-translation by Google Translate, not legally binding)