METHOD FOR MANUFACTURING A BOTTLE

• Main Authors: ZIMMER, Johannes, POUTEAU, Charlyse, HENRIQUEL, Laurent
• Format: Patent
• Language: English; French; German
• Published: 31.07.2024
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MAKING GRANULES OR PREFORMS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

A method for manufacturing a bottle, using a preform (1) comprising an open neck portion (2) at a first end (12), a closed base portion (3) at asecond end (13), and a body portion (4) extending along a longitudinal axis (A1) between the neck portion (2) and the base portion (3), said preform (1) being made in PHA. The method for manufacturing comprises the following steps:- heating the preform (1); and- performing stretch blow molding of the preform (1).The preform (1) has a wall thickness which varies progressively between the body portion (4) and the neck portion (2).