PAPER CONTAINER, METHOD AND APPARATUS FOR PRESS MOLDING

PROBLEM TO BE SOLVED: To provide a molding machine capable of forming a plurality of parallel ribs in an adjacent state. SOLUTION: A mold 23 for a female mold has mold members 26a to 26e for ribs corresponding to a bottom of the paper container, a mold member 21 for a sidewall corresponding to the s...

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Bibliographische Detailangaben
1. Verfasser:	IWAYA ISAO
Format:	Patent
Sprache:	eng
Schlagworte:	MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN AMANNER ANALOGOUS TO PAPER PERFORMING OPERATIONS TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a molding machine capable of forming a plurality of parallel ribs in an adjacent state. SOLUTION: A mold 23 for a female mold has mold members 26a to 26e for ribs corresponding to a bottom of the paper container, a mold member 21 for a sidewall corresponding to the sidewall, and a mold member 28 for a flange corresponding to the flange. The member 26c for the rib is held at the member 26b through a spring 30 for the first mold member and the member 26d for the rib is held at the member 26a through a spring 31 for the second member and a spring 32 for the third member, and the member 26e is held directly at a retainer 29. When molded, the members 26c, 26b, 26d and the members 26a, 26e are sequentially brought into contact with cardboard base paper 25 and formed with the ribs.