PREFORM FOR BLOW MOLDING AND ADDITIVE MANUFACTURING THEREOF

• Main Authors: VAN DE CAPPELLE PEDRO VINCENT, GERLACH CHRISTIAN GERHARD FRIEDRICH
• Format: Patent
• Language: Chinese; English
• Published: 04.04.2023
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; 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

A preform 10 for producing a blow molded article (90), the preform comprising: an open neck (20, 91) 20 comprising an outer neck (20, 91) polymer passage 24 forming an outer surface (21, 31, 41, 96) 21 of the neck (20, 91) of the preform (10) and an inner (50) neck (20, 91) polymer passage 26 forming an inner surface (23, 33, 43, 94) 23 of the neck (20, 91) of the preform (10); a body (30, 40, 92) 30 includes an outer body (30, 40, 92) polymeric passage 34 forming an outer surface (21, 31, 41, 96) 31 of the body (30, 40, 92) of the preform (10) and an inner (50) body (30, 40, 92) polymeric passage 36 forming an inner surface (23, 33, 43, 94) 33 of the body (30, 40, 92) of the preform (10), a body (30, 40, 92) filling portion located between the outer body (30, 40, 92) polymeric passage and the inner (50) body (30, 40, 92) polymeric passage, the body filling portion including one or more walls (22, 32, 34). One or more walls (22, 32, 42) body (30, 40, 92) polymer passages 35, wherein the one or more walls (22,