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PRIM SAU JUAN
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PRIM SAU JUAN
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Application filed by PRIM SAU JUANfiledCriticalPRIM SAU JUAN
Priority to ES1980250326UpriorityCriticalpatent/ES250326U/en
Publication of ES250326UpublicationCriticalpatent/ES250326U/en
Clamping device for screws of the type constituted by a molded monopod forming a tubular body insertable into the wall feller, provided with longitudinal peripheral fins for anchoring therein and a front stop, characterized in that the orifice of the tubular body presents nerves converging towards the rear end for the adaptation of different thread passages and said rear end are derived two legs articulated by their birth zone by a transverse weakening and provided next to such an area of inner barbs that receives the end of the screw, whose tabs are susceptible to opening and to be applied against the internal face of the wall bore, where retention ribs provided in said pads are applied and, to traverse the bore, to be applied and anchored against the rear end thereof. (Machine-translation by Google Translate, not legally binding)
ES1980250326U1980-04-291980-04-29Fixing device for screws (Machine-translation by Google Translate, not legally binding)
PendingES250326U
(en)