Resin molded body and method of molding the same

A method of molding a resin molded body, wherein an annular mounting seat (11) integrally formed projectedly from one surface of a panel body (3) so as to surround a through hole (9) is formed of an inner mounting seat part (17) and an outer mounting seat part (19) formed double on the inner and out...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MIYACHI TOSHIKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS 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:	A method of molding a resin molded body, wherein an annular mounting seat (11) integrally formed projectedly from one surface of a panel body (3) so as to surround a through hole (9) is formed of an inner mounting seat part (17) and an outer mounting seat part (19) formed double on the inner and outer sides and connecting mounting seat parts (21) connecting the inner mounting seat part (17) to the outer mounting seat part (19) at four positions. Skin layers (23) are formed on the surfaces of a door inner panel (1). An expansion layer (25) having a large number of voids is formed in the panel body (3). The mounting seat (11) and the panel body (3) between the inner mounting seat part (17) and the outer mounting seat part (19) are formed of a solid layer (27) without the expansion layer (25). Thus, the resin molded body having a lightweight but highly rigid mounting seat can be provided.