The production equipment and process of the first kind of separated inner lining membrane woven bag are relatively simple,

the equipment investment is low, and the application is very wide. The inner and outer bags are separated. The inner bag is

blown film bag, which can be divided into LDPE and HDPE. The outer bag is ordinary PP woven bag, and the length and width of

the inner bag are slightly larger than the outer bag. When loading materials, the inner and outer bags are uneven and easy to

be damaged. In the early years, the inner and outer bags of the inner lining membrane bag and the outer bag need to be set

together manually, and the inner and outer bags at the mouth of the bag need to be aligned and sewed, so the production

efficiency is low, the waste of manpower is large, and the continuous and efficient production cannot be carried out. A

skilled operator can only complete about 1000 bags by hand every day, and only about 300 bags can be sewn by hinge sewing

machine every day. Nowadays, with the improvement of all-in-one machine, there are many machinery manufacturers in China that

can produce all-in-one machines for bag cutting, sewing and lining. The technology has been widely used and tends to be

mature, greatly improving the production efficiency.

Undisclosed

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