Plastic bag, methods for making bags and improved pouch machine

作者: James F. Pease

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摘要: Method and apparatus for making a plastic bag or pouch wherein web is moved in longitudinal direction tape made from an elongated film fed to the web. The of pair attachment lanes complementary fastening elements sealed function as attachable-detachable closures. extend parallel are spaced apart. A perforation line formed between lanes, flange defined on one side only said lanes. separated pairs lengths cut off diagonal moving different directions form V-shaped closures with lane having thereof by only. Bags An intermediate product described consisting narrow substrate longitudinally placement machine.

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