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Abstract
New mandrel for paper rolls, characterized by being constituted by an outer cylindrical surface body, for coupling the corresponding reel in the different processes to be submitted, and whose body has a longitudinal recess coaxial with said surface, whose section transverse is of polygonal shape, in order to be coupled to an axis in the same way preventing totally any slippage in the direction of rotation, as there is a perfect coupling of flat faces to each other. (Machine-translation by Google Translate, not legally binding)
ES128476U1967-03-171967-03-17
NEW CHUCK FOR PAPER ROLLS.
ExpiredES128476Y
(en)
Procedure and centering and welding machine of two-tube extreme parts intended to be united by welding (Machine-translation by Google Translate, not legally binding)
Return spindle, especially two torsion thread of the thread, with a stationary roller that can be disconnected from the rotor of the spindle. (Machine-translation by Google Translate, not legally binding)