自封袋的生產(chǎn)工藝分類
Production process classification of self sealing bag
夾鏈自封袋的生產(chǎn)分兩種,一種是直接吹膜成型,自封口以上一般為1.8厘米,自封口附近比較厚,自封袋左右兩邊采用熱切封口方式制袋成成品;另外一種為后附夾鏈條的方法,后一種方法主要用于復合袋的生產(chǎn)。
Two kinds of clip chain bag production, one is direct blowing molding, self sealing above 1.8 cm, self sealing bag near the relatively thick, on both sides of the sealing bag eagerly into finished products; another method is attached after the chain, a method is mainly used in the production of composite bag.
不干膠自封袋的生產(chǎn)主要是采用單片膜橫切,兩側(cè)熱封,袋子正反長度不一,一邊比另外一邊長3~5厘米可折回部分,折回部分上貼有不干膠,破壞性膠等膠體,使用時撕開膠體上的塑料遮片折回即可將袋子封口。
The adhesive bag is mainly produced by a single membrane cross, on both sides of the heat sealing, and the bag length is not one side than the other side, 3~5 cm long can back part, back part of a self-adhesive, destructive adhesive colloid, use tear colloid plastic matting can be sealed bag back.
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