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Individual
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Individual
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Priority to ES0040557UpriorityCriticalpatent/ES40557Y/en
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Publication of ES40557YpublicationCriticalpatent/ES40557Y/en
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Improved refining grader, comprising: a parabolic blade, of low focus, which is characterized by the fact of being provided with a sector of replaceable cutting with two edges, arranged in its lower part; some back ribs applied on said blade, to increase its mechanical strength, and two sheet metal ends. (Machine-translation by Google Translate, not legally binding)
A new hydraulic surface device, based on the cancellation of the resistance zone in its front of shock (Machine-translation by Google Translate, not legally binding)