US 12,479,140 B2
Component of apparatus and apparatus for molding plastic products, in particular with thin wall thickness
Andrea Cavalet, Ponte Nelle Alpi (IT); and Matteo Zoppas, Conegliano (IT)
Assigned to S.I.P.A. SOCIETA' INDUSTRIALIZZAZIONE PROGETTAZIONE, Vittorio Veneto (IT)
Appl. No. 18/573,845
Filed by S.I.P.A. Società Industrializzazione Progettazione e Automazione S.P.A., Vittorio Veneto (IT)
PCT Filed Jun. 27, 2022, PCT No. PCT/IB2022/055950
§ 371(c)(1), (2) Date Dec. 22, 2023,
PCT Pub. No. WO2023/275713, PCT Pub. Date Jan. 5, 2023.
Claims priority of application No. 102021000017171 (IT), filed on Jun. 30, 2021.
Prior Publication US 2024/0383179 A1, Nov. 21, 2024
Int. Cl. B29C 45/30 (2006.01); B29C 45/26 (2006.01); B29C 45/36 (2006.01); B29C 45/40 (2006.01); B29L 23/00 (2006.01); B29L 31/00 (2006.01)
CPC B29C 45/261 (2013.01) [B29C 45/36 (2013.01); B29C 2045/4078 (2013.01); B29L 2023/22 (2013.01); B29L 2031/7544 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A component of a molding apparatus for producing hollow plastic items, in particular test tubes, syringes, preforms of containers or tubular bodies,
the component comprising:
a first body having a face defining part of a separation surface of the molding apparatus;
a second body, or stripper ring, inserted in the first body, adapted to be crossed along an axis by a core, and in particular to come into contact with the core;
a plurality of elements inserted in the first body, adapted to be displaced parallel to said axis;
wherein the second body has an outer surface comprising a plurality of inclined portions with respect to said axis;
and wherein each element of said plurality of elements has an outer surface comprising an inclined portion with respect to said axis, which is in contact with a respective inclined portion of the second body so that the position of the second body can be adjusted by means of said plurality of elements.