artigo moldado a sopro com efeitos visuais

• Main Authors: MARK LEWIS AGERTON, BRADLEY SCOTT NEUFARTH, MARC ANDREW MAMAX, IOANNIS CONSTANTINE CONSTANTINIDES, ANDREW JOSEPH HORTON, PHILIP ANDREW SAWIN
• Format: Patent
• Language: Portuguese
• Published: 06.10.2020
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS; MAKING GRANULES OR PREFORMS; PACKAGES; PACKAGING ELEMENTS; PACKING; 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; STORING; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

a presente invenção se refere a um artigo moldado a sopro obtido a partir de moldagem por sopro de uma pré-forma feita por coinjeção de fluxo paralelo, tendo uma parede formada por 3 camadas em ao menos uma região, sendo que a camada externa é transparente e a camada interna compreende um pigmento de efeito visível através da camada transparente. os artigos de acordo com a invenção têm um brilho aprimorado, baixa opacidade e maior resistência à delaminação que os artigos anteriores. a invenção refere-se também a pré-formas para a fabricação dos artigos descritos e métodos para a produção de pré-formas e artigos. A blow molded article obtained by blow molding of a preform made via parallel flow coinjection, having a wall formed by 3 layers in at least a region wherein the outside layer is transparent and the inner layer comprises an effect pigment visible through the transparent layer. Articles according to the invention have an improved gloss, low haze and higher resistance to delamination than previous articles. The invention relates also to preforms for making articles as described and to methods for making preforms and articles.