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Priority to ES0044261UpriorityCriticalpatent/ES44261Y/en
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Publication of ES44261YpublicationCriticalpatent/ES44261Y/en
Treatment And Processing Of Natural Fur Or Leather
(AREA)
Abstract
A threaded valve for fixing the bladder in sports balls, characterized in that the leather envelope of the ball has two diametrically opposed holes, one of them of small diameter, with which it is centered, adjusted and united, by its face internal, the flange of an elastic body externally threaded and perforated to the same caliber as the hole in the shell; the opposite hole allows that when crushing this cover, the threaded body can exit to receive and screw the pneumatic valve of the elastic bladder, and allow the passage of this deflated bladder to the interior of the cover. (Machine-translation by Google Translate, not legally binding)
ES0044261U1954-09-251954-09-25
A threaded valve for fixing the bladder on sports balconies
ExpiredES44261Y
(en)