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The manner which produces the complex film and the complex film and one which consists of the device null seal possible material which produces manner and the complex film which produce the film cup
The manner which produces the complex film and the complex film and one which consists of the device null seal possible material which produces manner and the complex film which produce the film cup
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机译:生产复合膜的方式和复合膜以及由装置零密封可能产生方式的材料和生产膜杯的复合膜组成的一种。
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摘要
The invention relates to a composite film (10), in particular for packaging (1) in the food industry, having at least one sealing layer (12), which consists of sealable material and is connected, at least indirectly, to a first layer (11) which acts as an outer layer, wherein the sealing layer (12) has a lower melting point than the first layer (11). According to the invention, it is provided that, on that side of the sealing layer (12) which is directed away from the first layer (11), a second layer (13), which acts as an inner layer, is arranged in operative connection with the sealing layer (12), that the second layer (13) has a higher melting point than the sealing layer (12), and that the second layer (13) has at least one through-opening (17; 17a to 17c), which is covered over by the sealing layer (12).
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