LAMINATE TUBE
PROBLEM TO BE SOLVED: To provide a laminate tube whose color change is avoided and which is suitable for storing an oxidized hairdye. SOLUTION: In forming a laminate film for the barrel of this laminate tube, a heat seal film (I) 13, a gas barrier film 20, a metal thin film 40 and heat seal film (II...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a laminate tube whose color change is avoided and which is suitable for storing an oxidized hairdye. SOLUTION: In forming a laminate film for the barrel of this laminate tube, a heat seal film (I) 13, a gas barrier film 20, a metal thin film 40 and heat seal film (II) 15 are piled up in the order from the innermost layer and each layer is piled up on the neighboring layer through fusion extruding layers 71, 73, 75, 77 of a thermal fusion bonding resin. The thickness of the metal thin film is 15-50 μm. One side edge of the laminate film is superimposed on and thermal fused with the other side edge 2-5 mm in width for forming a tubular barrel. By confining the superimposed width in this way, the discoloration of the superimposed part of the laminate film for the barrel is prevented, and thereby is suitable as a laminate tube for oxidized hairdye. COPYRIGHT: (C)2010,JPO&INPIT |
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