COMPRESSION MOLD

[Problem] To provide a metal mold for forming a preform decreasing the hitting of metal molds at a portion where a slide insert metal mold and a cavity metal mold undergo the sliding yet maintaining the pressure. [Means or Solution] The metal mold 33 for forming the preform includes a slide insert m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MONZEN, HIDETO, IMATANI, TSUNEO, IWAKIRI, YUUJI, MANOU, TAKETOSHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	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
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Beschreibung
Zusammenfassung:	[Problem] To provide a metal mold for forming a preform decreasing the hitting of metal molds at a portion where a slide insert metal mold and a cavity metal mold undergo the sliding yet maintaining the pressure. [Means or Solution] The metal mold 33 for forming the preform includes a slide insert metal mold 36 split into at least two for forming at least a nozzle portion of the preform, wherein a pressure is maintained by using a fitting portion which includes a preform-forming portion of the slide insert metal mold 36 coupled together from the split state and a cavity metal mold 34. Auxiliary fitting portions 40a, 40b where the slide insert metal mold 36 and the cavity metal mold 34 undergo the sliding is formed at a position of not forming the preform separate from the fitting portion that includes the preform-forming portion.