A MOLDED ARTICLE, A MOLD INSERT FOR PRODUCING THE MOLDED ARTICLE AND A METHOD OF MANUFACTURING OF THE MOLD INSERT

• Main Authors: SIGLER, LAURENT CHRISTEL, WITZ, JEANRISTOPHE
• Format: Patent
• Language: English; French
• Published: 08.01.2009
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; MAKING GRANULES OR PREFORMS; 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; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

There is provided a preform, a molded article, a mold insert for producing the molded article and a method of manufacture of the mold insert. A mold assembly comprises a core insert (102) defining a first molding contact surface (118); said first molding contact surface (118) comprising a first impacting pattern (202); a cavity insert (104) defining a second molding contact surface (120); said second molding contact surface (120) comprising a second impacting pattern (302); said first impacting pattern (202) being rougher than said second impacting pattern (302). L'invention concerne une préforme, un article moulé, un insert de moule pour fabriquer l'article moulé et un procédé de fabrication de l'insert de moule. Un ensemble de moule comprend un insert de noyau (102) définissant une première surface de contact de moulage (118) ; ladite première surface de contact de moulage (118) comprenant un premier motif d'impact (202) ; un insert de cavité (104) définissant une seconde surface de contact de moulage (120) ; ladite seconde surface de contact de moulage (120) comprenant un second motif d'impact (302) ; ledit premier motif d'impact (202) étant plus rugueux que ledit second motif d'impact (302).