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(11) | EP 0 917 836 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Apparatus for bevelling the edges of heel strengthening inserts for shoes |
(57) The apparatus includes means (3) for picking up the heel strengthening inserts (1)
to be bevelled from a magazine (2) and subsequently transferring them to a working
surface (L). Conveying means (7) operate in the region of this working surface (L)
to move forward these heel strengthening inserts (1). A first bevelling station (10)
is provided with a first and a second pair of grinding belts (13,14;15,16), arranged
in sequence on planes transversal to the heel strengthening inserts (1) advancement
direction and aimed at bevelling the sides (1a) of the heel strengthening inserts
(1) edge at a suitable angle. A second bevelling station (20) is provided with a third
pair of grinding belts (23, 24), arranged in sequence on planes transversal to the
heel strengthening inserts (1) moving direction and aimed at bevelling the upper parts
(1b) of the heel strengthening inserts (1) edge at an angle suitably bigger than the
bevelling angle of said sides (1a). |