In-depth study on the manufacturing technology of portable paper bags

    Paste handbag is an ancient handicraft industry. However, in post-press processing, the general printer knows a little about the way of making bookcase binding or paperbox pasting, but the process of making handbag may not be very well understood.

      d-held paper bags can be roughly divided into two categories: ordinary packaging bags and delicate shopping bags. Ordinary packaging bags are made by rotating printing bagging machine, which has been consistently produced. Its advantage is fast production efficiency, but its disadvantage is that the paper bags are rough and not exquisite, so these paper bags are mostly used in general commodity packaging. As for exquisite shopping bags, they are printed in color on sheet paper, laminated or bronzed by PP, then manually and semi-automatically manufactured by bag factories. Finally, the paper bags are made by knotting and knotting manually. Its advantage is that paper bags can be made in any situation, but its disadvantage is that the production speed is slow. This kind of high-grade shopping bags are mostly used for noble commodity packaging, or as gift bags, or as advertising bags for various commercial activities. Finally, these exquisite and beautiful paper bags have become easy-to-use shopping bags for ladies.

    Shopping bags should first be the extension of corporate image and commodity advertising strategy, so when making shopping bags, we must pay attention to environmental protection, beauty, delicacy and durability. The structure is compact. The hot sol is used to make bags automatically and glue all parts of shopping bags to form a compact structure. It is different from the traditional handbag after printing. It is used to paste the body of bags with "white glue" and tie them with artificial ropes. Therefore, there are often mistakes in loosening the handle.

Vertical cotton rope handle, non-perforated cordless knot with two pieces of heavy kraft paper fixed with thermosol, then kraft paper fixed on the paper bag, shopping bag handle is "vertical" and no punching, no protruding knot. The handle of traditional handmade paper bags is to punch holes in the bag body first, then to knot the nylon rope manually through the knot, so the knot is easy to loosen when carrying goods, or to pull the hole in the paper bag rope. The whole structure is strengthened and the packaging function is strengthened. Handles, kraft cardboard, paper bags and bottom of bags are formed by thermosol. Therefore, the overall structure of shopping bags is strengthened, and the bags can bear more than 5 kilograms of goods. In traditional paper bags, nylon rope knots are used to hold the bag body, and the top pieces of paper bags do not adhere to the bag body, so the carrying capacity is weak. High-quality delivery time is fast using automated consistent bag-making operation, so the quality is good and stable, especially without manual knot as a handle. It shortens the production process of feature films and has a fast delivery time. Principle of Design and Manufacture of Shopping Bags The top edge of paper bags should be folded within 60 mm to strengthen the holding force of handles.