INJECTION MOLDING DIE

• Main Authors: EJIRI JUN, CHINGYO YOHEI, ARIKI YUJI, IMAMURA TOMOYUKI
• Format: Patent
• Language: English
• Published: 11.09.2014
• 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

PROBLEM TO BE SOLVED: To provide an injection molding die capable of preventing the rolling and deformation of a product upon release, thus preventing deteriorating in merchantability.SOLUTION: In the injection molding die where a molten raw material is filled into a cavity S formed by a cavity die 1 on a fixed side and a core die 2 on a movable side, and, when the filled molten raw material is cooled and solidified, the core die 2 is pulled out to discharge a product, recessed parts 3 (or projecting parts) along the pulling out direction of the core die 2 are formed at the cavity face 2a facing the cavity S in the core die 2. Further, the recessed parts 3 (or projecting parts) are formed at a plurality of the parts in the cavity face 2a of the core die 2.