Fecha de publicación: 05/01/2023 Fuente: Wipo Milk or dairy products A component (100, 100') of a molding apparatus (1 10, 1 10') for producing hollow plastic items, in particular test tubes, syringes or tubular bodies, the component (100, 100') comprising: - a first body (1,1") having a face (11) defining part of a separation surface of the molding apparatus (110, 110'); - a second body (2, 2'), or stripper ring, inserted in the first body (1, 1'), adapted to be crossed along an axis (X) by a core (3), and in particular to come into contact with the core (3); - a plurality of elements (4, 4') inserted in the first body (1, 1 '), adapted to be displaced parallel to the axis (X); in which the second body (2, 2') has an outer surface (20) comprising a plurality of inclined portions (21, 21 '), in particular with respect to said axis (X); and in which each element (4, 4') of said plurality of elements (4, 4') has an outer surface comprising an inclined portion (41, 41 '), in particular with respect to said axis (X), which is in contact with a respective inclined portion (21, 21 ') of the second body (2, 2') so that the position of the second body (2, 2') can be adjusted by means of said plurality of elements (4, 4').