(57) A container (10) of transparent plastic material, in particular for fruit or vegetables
comprises an open-top container body (12) and a lid (24) associated with the container
body (12) in such a way as to close it. The lid (24) has at least one rib (44) made
on a curved connecting wall of it. The rib includes a recessed portion (44a) which
is formed in the curved connecting wall (36, 38, 40, 42) and which extends crossways,
the rib being joined to the curved connecting wall (36, 38, 40, 42) through substantially
vertical opposite lateral stiffening portions (44b, 44c). The substantially vertical
stiffening portions (44b, 44c) form a surface whose height, or radial distance between
the curved portions (44a and 36, 38, 40, 42), increases to a maximum at a point intermediate
between the opposite ends of the stiffening portion (44b, 44c).
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