MANUFACTURING METHOD OF PAPER-MADE CONTAINER AND PAPER-MADE CONTAINER

• Main Author: NAMBA MUTSUO
• Format: Patent
• Language: English; Japanese
• Published: 25.07.2024
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER; MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARDOR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER

To provide a manufacturing method of a gimlet-shaped or cylindrical paper-made container capable of maintaining sufficient strength.SOLUTION: A manufacturing method of a paper-made container of the present invention includes the steps of: forming a heat seal layer on a surface of a paper-made substrate 10; cutting the paper-made substrate 10 having been provided with the heat seal layer in a manner that it can be wound to a conical mold 30; winding the paper-made substrate 10 having been cut on the mold 30; thermally fusing the paper-made substrate 10 having been wound on the mold 30; and removing the mold 30 to form a conical container.SELECTED DRAWING: Figure 5 【課題】錐状、或いは、筒状に形成され、十分な強度を確保することが可能な紙製収容体の製造方法を提供する。【解決手段】本発明の紙製収容体の製造方法は、紙製基材１０の表面にヒートシール層を形成する工程と、ヒートシール層が形成された紙製基材１０を、円錐形状の金型３０に対して巻回できるように裁断する工程と、裁断された紙製基材１０を、金型３０に対して巻回する工程と、金型３０に巻回された紙製基材１０を熱溶着する工程と、を有し、金型３０を取り外して円錐形状の収容体を形成する、ことを特徴とする。【選択図】 図５