Packaging bag

Abstract

The invention relates to a packaging bag, which is provided with a tubular passage which leads to the outside of the packaging bag. The opening of the packaging bag is arranged at the end of the tubular passage. The tubular passage not only can be used as an inlet / outlet passage for filling articles into the packaging bag, but also can knotted in use under the situation that the packaging bag is required to be closed. The knotted tubular passage closes a passage which leads to the outside of the packaging bag. When the passage is needed to be opened again, the tubular passage is only required to be unknotted. By using the packaging bag provided by the invention, the situation that packaged commodities cannot be used up at one time can be very conveniently coped with and the packaging bag is suitable for packaging various commodities. The packaging bag provided by the invention can also be used as a beverage bag with a straw, a urine collection bag for men and a water-filled heavy object bag.

Description

technical field [0001] The invention relates to a packing bag, in particular to a packing bag whose opening can be repeatedly closed or opened. The invention also relates to a beverage packaging bag with a straw; the invention also relates to a urine collection bag for men; and the invention also relates to a water-filled heavy bag. Background technique [0002] The closing accessories that can be used to close the opening of the packaging bag usually include: clips, clips, button straps, twisted wires, tension straps, etc.; except for the closing accessories, the packaging bag itself is difficult to close the opening again conveniently. In recent years, self-sealing bags have appeared on flexible packaging, which is convenient for resealing; some products are also equipped with resealing flaps that are usually located at the seams. [0003] Take the self-sealing bag that can be conveniently closed and opened on the market and is widely used (the concave-convex structure on...

AI Technical Summary

Problems solved by technology

[0003] Take the self-sealing bag that can be conveniently closed and opened on the market and is widely used (the concave-convex structure on the inner surface of the bag is pressured by external force to make it interlock with each other and can be separated by external force) as an example. The main problems are: 1. The concave-convex structure is not easy to align during use, and the action needs to be precise; 2. The concave-convex structure is easily damaged and easily stained, resulting in unreliable packaging; 3. Due to the fragile structure of the opening and closing opening, only light items can be placed inside, and heavy packaging is not allowed; 4. " When "shipping" is like a general packaging bag, it cannot achieve "controlled" metering out of the bag

[0006] Male urine collection bags on the market include bag urine bag, catheter, paper tape and urine sheath (the urine sheath is fixed on the penis with paper tape, and the two ends of the catheter are respectively connected to the urine sheath and the urine bag. When urinating, urine flows from the urine sheath along the catheter. flow to the urine bag for collection), this kind of urine collection bag has the problems of complex structure and high cost

[0007] Heavy bags usually appear in the form of earth bags, which play a very important role in building flood control projects and repairing dams. Especially in emergency sealing, earth bags are almost the only practical material, but the occasions of flood fighting must be kept away from The dam site; common soil bags on the market are all open bags, without a "sealing" structure, just tie the bag directly after filling the soil; what's more fatal is that the soil is not available everywhere in many occasions, but in this way, The engineering volume of soil loading and soil transportation will inevitably increase; "water" can be used to fight floods, but the price of special liquid packaging bags is high, and ordinary packaging bags cannot complete the task of packaging liquids with "high quality and low price"

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