Packing bag with mouth
According to different installation positions of the hard mouth, the mouth-packed bag can be divided into two types: upright installation and oblique installation. The upright-installed spouted pouches are installed in the middle of the top of the pouch, and their shape and function are similar to those of general bottle packaging. They are suitable for liquid packaging with capacity below 1000ml. The oblique mouth-mounted mouthpiece packaging bag cuts a corner along the upper left corner of the bag along 17-45°, and the hard mouth is mounted on the notch face so that the mouth axis is at a certain angle with the bag axis. The shape and function of this kind of packaging bag are similar to those of general rigid plastic bucket packaging, and it is suitable for liquid packaging with a capacity of 500ml or more.
According to the shape of the plastic mouth mounted on the packaging bag, the mouthed packaging bag can be divided into two types: long mouth type and short mouth type. The long mouth type packaging bag means that the installed plastic mouth has a long suction pipe in addition to the screw seal portion and the heat sealing portion. When the long mouth is installed on the packaging bag, the straw portion can be inserted into the bag to facilitate the consumer to suck the liquid in the bag. Long-billed flexible packaging bags are generally suitable for liquid beverage packaging, such as sucking jelly, fruit juice beverages, tea beverages, etc., and can also be used as a packaging machine for automatically extracting ink. The short mouth type packaging bag refers to that the plastic mouth only has two parts, the screw sealing part and the heat sealing part, and can use the pouring or squeezing method to take out the package inside the bag. Short mouth type packaging bags can be widely used for liquid, granular, powdery and other forms of packaging.
In addition, in recent years, there have been a number of large-sized mouth-wrapped square bags with a maximum capacity of several hundred liters. A large mouth is mounted on the top of the bag and can be used as a product for juice, ketchup, edible oil, and cosmetic products. Pre-storage packaging.
Application of mouth-packed bags
The mouth-wrapped pouch was born in Japan and Germany in the mid to late 1980s, and has been rapidly promoted worldwide in the mid to late 1990s. At present, in Europe, America and Japan and other developed countries and regions, the use of mouth-packed bags has been widely used. According to relevant data from Japan, during the period from 1998 to 2001, the average annual growth rate of spouted bags in the Japanese market exceeded 40%. In 2001, the demand for long spout-type packaging bags reached 575 million. Taiwan Province of China adopted a volume-based waste disposal fee, which greatly promoted the development of spouted packaging bags. In addition to aerated beverages, packaging of various liquid products began to use spouted bags.
In the late 1990s, China began to introduce technology with a spouted bag. The most influential product was CiCi from Guangdong Xizhilang, which can suck jelly. It uses a long-mouth type bag, which is beautifully printed and easy to use. It quickly swept the country. . At present, Xizhilang, Daibao, Jinwa, Panpan, Kissing and other more than 10 brands of suckable jelly have also adopted a mouthful of bags. In addition, the short-nosed soft-packed bags also entered the domestic market in 2000. Products that have been marketed include fruit juice drinks, chicken essence, monosodium glutamate, soy sauce, pepper, detergent, fabric softening liquid, and hand sanitizer. These colorful packaging are soon accepted by the majority of users.
In the future, there will be greater development in the country with spouted bags. Such products as washing powder, gasoline, oil, edible oil and many other products can use this kind of large-capacity three-dimensional packaging bag with handles and mouths; the northern market in winter is the peak season for liquor sales, if the use of long mouth type with a capacity of 200-300ml Liquor packaging in white wine bags is convenient for drinking by field workers. Famous places such as scenic spots and football arena are also suitable for the use of such packaging.