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Individual
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Priority to ES88733UpriorityCriticalpatent/ES88733Y/en
Publication of ES88733UpublicationCriticalpatent/ES88733U/en
Application grantedgrantedCritical
Publication of ES88733YpublicationCriticalpatent/ES88733Y/en
A utensil for the extraction of clogs in pumps and the like, characterized by having an elongated body of helically wound wire, one end of which is fixed to a cylindrical joint to which a long-step helical appendage is attached, while the another is encased in a handle provided with an axial drive linkage; a winding direction for the propeller of the utensil body is provided, contrary to that of the torque that is applied in the handle for the extraction of the packing; said torque being transmitted independently of the curvature of the helical body, which can be bent for access to narrow places. (Machine-translation by Google Translate, not legally binding)
ES88733U1961-08-161961-08-16
Utensil for the extraction of packing in pumps and similar
ExpiredES88733Y
(en)