MANUFACTURING APPARATUS AND METHOD OF CYLINDRICAL BODY WITH STOPPER

PROBLEM TO BE SOLVED: To provide a manufacturing apparatus for manufacturing a cylindrical body with stopper like the one disclosed in a patent document 2 from a cylindrical raw material at a low cost.SOLUTION: A manufacturing apparatus according to the invention for manufacturing a cylindrical body...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YASHIRO MASATOSHI, HARA AKIRA, TAKASUKA YOZO
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING CEILINGS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS INSULATION OR OTHER PROTECTION OF BUILDINGS KEYS LOCKS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROOFS SAFES TRANSPORTING WALLS, e.g. PARTITIONS WINDOW OR DOOR FITTINGS WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a manufacturing apparatus for manufacturing a cylindrical body with stopper like the one disclosed in a patent document 2 from a cylindrical raw material at a low cost.SOLUTION: A manufacturing apparatus according to the invention for manufacturing a cylindrical body with stopper comprises: a cylindrical or annular holder which positions a cylindrical raw material in an upright state in a predetermined position by positioning the inner or outer diameter part of the cylindrical raw material; and a domy cutter which is provided facing the cylindrical raw material arranged in the holder, able to separate from/contact with the cylindrical raw material relatively, and formed in a recessed shape toward the cylindrical raw material. The domy cutter extends curvedly from the center part thereof obliquely and outwardly and is provided with a plurality of strip-shaped blades. The holder has radial grooves, each of which aligns with each of the strip-shaped blades (26a), is matched with the breadth of the strip-shaped blades, and allows the stopper element to bend inwards in a radial direction.