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US 10,343,325 B2Granted
Production apparatus of sterile receptacles, a bottling plant comprising the apparatus and a production method of a sterile receptacle
AssigneeGea Procomac S.P.A.
InventorsPaolo Pagliarini, Luigi Casappa
Life of this patent
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Abstract
An apparatus (1) for producing sterile receptacles (2), comprising: a molding unit (13) for molding parisons (4) starting from granules of thermoplastic material; a stretch-blowing forming unit (3) which receives the parisons (4) from the molding unit (13), the forming unit (3) having a plurality of forming stations (5) in each of which there is a mold (6) and a sterilization device (12) so as to form and sterilize the corresponding parison (4).
Claims10
Apparatus (1) for producing sterile receptacles (2), comprising:
- a stretch-blowing forming unit (3) having a plurality of forming stations (5) in each of which two half-moulds (6a, 6b) are arranged that can be moved towards one another to define at least one housing cavity (7) for housing a parison (4) made of thermoplastic material;
- a moulding unit (13) for moulding parisons (4) starting from granules of thermoplastic material, said moulding unit (13) being placed upstream of said forming unit (3);
- a plurality of sterilisation devices (12), each of which is situated in one of said forming stations (5) so as to sterilise the parisons (4) that arrive in the corresponding housing cavities (7),
- characterised in that said moulding unit (13) for moulding the parisons (4) comprises:
- a plurality of moulding stations in each of which a mould (16) is arranged comprising a concave portion (16a) and a convex portion (16b) insertable in said concave portion (16a);
- means for cleaning (17) surfaces of said moulds (16) adapted to come into contact with said parisons (4),
- wherein each sterilisation device (12) comprises a plasma generator (19) operatively active on the corresponding housing cavity (7).
4 more elements
Dependencies are inferred from the claim text.