FOAMED RESIN MOLDED ARTICLE AND MANUFACTURING METHOD OF THE SAME

PROBLEM TO BE SOLVED: To provide a foamed resin molded article having a resin film and a manufacturing method of the same, capable of sufficiently suppressing warping of a molded article which can occur due to a difference in shrinkage factor between a resin film and a foamed resin molded article at...

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Bibliographische Detailangaben
Hauptverfasser:	KOJIMA EIJI, SENDA MASAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	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
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a foamed resin molded article having a resin film and a manufacturing method of the same, capable of sufficiently suppressing warping of a molded article which can occur due to a difference in shrinkage factor between a resin film and a foamed resin molded article at a time of molding.SOLUTION: The foamed resin molded article includes: a front portion made of a resin film; a back portion; and a foam portion interposed between the front portion and the back portion. The front portion is inserted into the foamed portion. In the foam molding of the foamed portion, a shrinkage factor of the front portion and the back portion is smaller than a shrinkage factor of the foam portion.SELECTED DRAWING: Figure 1 【課題】樹脂フィルムを有する発泡樹脂成形体において、成形時における樹脂フィルムと発泡樹脂成形体との収縮率の差により起こり得る成形品の反りを十分に抑制することができる発泡樹脂成形体、及びその製造方法を提供する。【解決手段】樹脂フィルムからなる表部と、裏部と、表部と裏部との間に介在する発泡部と、を備え、発泡部に対して表部がインサートされた発泡樹脂成形体であって、発泡部の発泡成形時において、表部及び裏部の収縮率は発泡部の収縮率に比べて小さいことを特徴とする。【選択図】図１