Importance

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Abstract

A rolled lip in which the form of attachment of the noses to the lip prevents the area of attachment to reach a maximum stress, thus reducing the risk of fractures in said area of attachment facilitating machining of the nose in which the lip has grooves projecting from the edge into the lip body; the noses have an area which forms a protrusion in which said protrusion is located in the rear half of the nose on the opposite side of the front; the attachment of the protrusion to the lip is welded all around it and forms one or two channels forming a weld filler area; the shape, quantity and distribution of the channels may vary independently using a channel on the lip or a channel under the lip or a channel on the lip and another under the lip simultaneously; the weld filler area may be above and/or below the lip; the protrusions of the noses fit in the grooves of the lip.

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First Claim