AUTOMATIC ZIPPER DEVICE FOR SHEET MEMBER AND METHOD FOR PRODUCING SHEET PRODUCT

A sheet member is automatically joined on a molding drum. This is an automatic zipper device (1) having a pair of bevel gears (10) for biting and joining joint end portions of a sheet member (S) wound around a periphery of the molding drum (D) and having a plurality of magnet attractive metallic cor...

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Bibliographische Detailangaben
1. Verfasser:	YAZAWA, Yusuke
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE 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 sheet member is automatically joined on a molding drum. This is an automatic zipper device (1) having a pair of bevel gears (10) for biting and joining joint end portions of a sheet member (S) wound around a periphery of the molding drum (D) and having a plurality of magnet attractive metallic cords, and the device is provided with an inclined portion following cylinder (12) which is attached to a lateral movement device (20) laterally moving on the molding drum (D) so as to be laterally movable and which adjusts a height of the bevel gear (10) in accordance with an inclined surface of the sheet member (S) to be joined, a clamping cylinder (13) for adjusting a bitten amount of the bevel gears (10), and introduction magnet rollers (15(1)), (15(2)) for taking in the sheet member (S), and a member contact position stabilizing magnet (15(3)) for maintaining a constant position of the sheet member (S) so that the sheet member (S) to be joined can be brought into contact with the bevel gear (10) at a constant angle.