To provide a foam molded article, a mold thereof, and a method of molding the foam molded article, in which a thin portion hardly exists around a through hole.SOLUTION: A foam molded article 1 constitutes a backrest portion 7 of a seat of a vehicle. Wall portions 111 and 121 are formed on an upper portion 11 and both side portions 12 of the foam molded article 1 so as to extend toward a rear side D2 from the end portion of a main body portion 10 of the foam molded article 1. The wall portion 111 of the upper portion 11 of the foam molded article 1 is formed with a plurality of through holes penetrating in the thickness direction of the wall portion 111. The wall portion 121 of one side portion 12 of the foam molded article 1 is formed with one through hole 4 penetrating in the thickness direction of the wall portion 121. A recessed wall surface portion 41 recessed in a valley shape is formed in a portion of the inner wall surface 401 of the through hole 4 located at the rear side D2.SELECTED DRAWING: Figure 1
【課題】貫通穴の周囲に欠肉部がほとんど存在しない発泡成形品、その成形型及びその成形方法を提供する。【解決手段】発泡成形品1は、車両のシートの背もたれ部7を構成する。発泡成形品1の上部11及び両側部12には、発泡成形品1における本体部10の端部から後方D2に延長された壁部111,121が形成されている。発泡成形品1の上部11の壁部111には、壁部111の厚み方向に貫通する複数の貫通穴が形成されている。発泡成形品1の一方の側部12の壁部121には、壁部121の厚み方向に貫通する1つの貫通穴4が形成されている。貫通穴4の内壁面401における後方D2に位置する部位には、谷状に窪む窪み壁面部41が形成されている。【選択図】図1
FOAM MOLDED ARTICLE, MOLD AND MOLDING METHOD THEREOF
発泡成形品、その成形型及びその成形方法
2020-12-10
Patent
Elektronische Ressource
Japanisch
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