SEVERING PLASTICS/METAL LAMINATES

PCT No. PCT/AU82/00144 Sec. 371 Date Apr. 19, 1983 Sec. 102(e) Date Apr. 19, 1983 PCT Filed Aug. 27, 1982 PCT Pub. No. WO83/00841 PCT Pub. Date Mar. 17, 1983.A method of severing laminates (10) of the type having a metal layer (11) and a synthetic plastics layer (12). The method comprises forming a...

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Bibliographische Detailangaben
1. Verfasser:	DUFFIELD, D.W
Format:	Patent
Sprache:	eng
Schlagworte:	CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING HAND CUTTING TOOLS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL SEVERING TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Zusammenfassung:	PCT No. PCT/AU82/00144 Sec. 371 Date Apr. 19, 1983 Sec. 102(e) Date Apr. 19, 1983 PCT Filed Aug. 27, 1982 PCT Pub. No. WO83/00841 PCT Pub. Date Mar. 17, 1983.A method of severing laminates (10) of the type having a metal layer (11) and a synthetic plastics layer (12). The method comprises forming a channel section indentation (13) in the laminate (10) along a line (14) on which the laminate (10) is to be severed, the indentation (13) being of such depth as to extend through the full thickness of the plastics layer (12) and through a part of the thickness of the metal layer (11), such that the plastics material along the line of the indentation (13) is substantially displaced laterally, and severing the laminate (10) along the line (14) of the indentation (13) in the metal layer (11). An apparatus for carrying out the method is disclosed as is the application of the method and apparatus to the production of container tops.