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YARRITU AZCUE SEBASTIAN
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YARRITU AZCUE SEBASTIAN
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Priority to ES0070904UpriorityCriticalpatent/ES70904U/en
Publication of ES70904UpublicationCriticalpatent/ES70904U/en
Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes
(AREA)
Abstract
Improved roller shutter, characterized by consisting of series of double articulated sliding boards on lateral guides whose channel has a smooth vertical surface of the face corresponding to the interior, except in its base that is inclined outwards forming an angle of 65º with the horizontal, in so much so that the face corresponding to the outside has a sawtooth profile, in combination with chamfers made in the upper corners of the slats, which determines that when they descend, they rest in an inclined position, parallel and with constant fixed angularity. (Machine-translation by Google Translate, not legally binding)
ES0070904U1958-10-181958-10-18Improved roller shutter (Machine-translation by Google Translate, not legally binding)
PendingES70904U
(en)