CN2537653Y

CN2537653Y - Film coated package bag

Info

Publication number: CN2537653Y
Application number: CN 02228965
Authority: CN
Inventors: 李相如
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-04-05
Filing date: 2002-04-05
Publication date: 2003-02-26
Anticipated expiration: 2012-04-05

Abstract

A film-coated packing bag comprises a substrate layer (6) made of braided plastic and a plastic film coating (5) on the outer surface of the substrate layer (6). At the left and right folding side (7) of the bag body (1), a substrate layer without any coating of plastic film and in width less than the folding side (7) is provided. As the utility model takes use of the air permeability of the substrate (braided plastic) of the bag body to meet the requirement for air permeating from the packed object, comparing with prior art, the utility model can stop any leakage and spreading of the packed object.

Description

A kind of overlay film packaging bag

(1) technical field

The utility model relates to a kind of packaging bag, relates to the packaging bag of the special-purpose color printing overlay film of a kind of three-dimensional limit seed or flour specifically.

(2) background technology

The bag substrate layer that the seed of widespread use at present or the packaging bag of flour color printing overlay film are made by plastic woven material, and the plastic film layers that is coated on the bag substrate layer is formed, because the packaging bag self of this class formation does not all have permeability to air, for solving the ventilative problem of this type of packaging bag, the method that prior art is all taked to punch on bag solves permeability to air.Though said method can solve the permeability to air of packaging bag self, but also exist the some shortcomings part, too small as the aperture of on bag, getting the hole, then can influence its permeability to air, excessive granule seed or the flour of then might making in aperture spills in bag, also can make the overall aesthetics of colour-printed bag face be subjected to brokenly ring simultaneously.

(3) summary of the invention

The purpose of this utility model provides a kind of overlay film packaging bag of satisfying the required gas permeability requirements of packed article with regard to being to overcome above-mentioned weak point of the prior art.

The purpose of this utility model can realize by following measure:

Overlay film packaging bag of the present utility model comprises the bag substrate layer of being made by plastic woven material, and is coated on the plastic film layers on the bag substrate layer outside face; Two amounting on the side all to keep somewhere and width is being arranged about described bag less than the simple bag substrate layer of amounting to lateral width (promptly not coating plastic thin layer).

More specifically say, all be coated with plastic film layers on the outside face of two sides, the front and back substrate layer of the utility model packaging bag, and the bag substrate layer (air-permeable layer) of the not coating plastic thin layer of width about 10mm is arranged in two each indwelling of middle polyline both sides of amounting to the side about packaging bag, utilize bag substrate layer (the plastic knitting material material) permeability that self had to satisfy the ventilative demand of packed article, thereby making the utility model not only can fundamentally stop packed article (all kinds of crop seeds or flour) compared to existing technology leaks outside and sheds problem, also be positioned at about packaging bag the two middle polyline both sides of amounting to the side because of the bag substrate layer (air-permeable layer) that is not coated in the utility model by plastic film layers, all can not produce brokenly ring to being printed with multicolour pattern bag front and back, can keep the visual overall aesthetic of packaging bag.

(4) description of drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is the A-A cutaway view of Fig. 1.

1 is bag among the figure, the 2nd, and handle, the 3rd, bag base lignilite, the 4th, two amount to the middle polyline of side about packaging bag, and the 5th, plastic film layers, the 6th, by the bag substrate layer of plastic woven material making, the 7th, two amount to the side about packaging bag.

(5) specific embodiment

The utility model is done with detailed description below with reference to embodiment (accompanying drawing):

As shown in Figure 2, overlay film packaging bag of the present utility model comprises the bag substrate layer of being made by plastic woven material 6, and is coated on the plastic film layers 5 on bag substrate layer 6 outside faces; Two amounting on the side 7 all to keep somewhere the bag substrate layer of width less than the not coating plastic thin layer of amounting to lateral width arranged about described bag 1; More specifically say, all be coated with plastic film layers 5 on the outside face of two sides, the front and back substrate layer 6 of the utility model packaging bag, and the bag substrate layer (air-permeable layer) of the not coating plastic thin layer of width about 10mm arranged in two each indwelling of middle polyline 4 both sides of amounting to side 7 about packaging bag.

Claims

1, a kind of overlay film packaging bag, it comprises the bag substrate layer of being made by plastic woven material (6), and be coated on plastic film layers (5) on bag base material (6) the layer outside face, it is characterized in that: two amounting to all to keep somewhere on the side (7) and width is arranged about described bag (1) less than the simple bag substrate layer of amounting to side (7) width.