CN2305369Y

CN2305369Y - Extensible damp-proof combined packing bag

Info

Publication number: CN2305369Y
Application number: CN 97222410
Authority: CN
Inventors: 路全恩; 路康
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-07-23
Filing date: 1997-07-23
Publication date: 1999-01-27
Anticipated expiration: 2007-07-23

Abstract

The utility model relates to an extensible damp-proof combined packing bag used for packing powder particle materials. The utility model is composed of the mutual sheathing and combination of a plastic woven bag and an extensible paper bag. The combined packing bag can sufficiently exert respective superior properties; the utility model integrates the strength intensity and the ventilation property of the plastic woven bag and the extensibility, ventilation property and damp proofing of the extensible packing bag; the utility model overcomes the problems that ventilation of the paper plastic combined bag is carried out needing making holes, and the damp can not be prevented; the utility model has the advantages of easy manufacture and low cost.

Description

The moistureproof combined packaging bag of a kind of stretching property

The utility model relates to a kind of moistureproof compound type damp proof packing of stretching property bag that is used for powder material packing.

Powder material packing, especially the packaging Problems of cement is packed the difficult problem that the personage of boundary generally is concerned about, its difficult point is how to seek an equilibrium point between intensity, permeability to air, moisture resistance and the bag cost of packaging bag, take into account every performance under the prerequisite of relative national standards meeting, in order to avoid attend to one thing and lose sight of another.The cement package bags of Xiao Shouing mainly contains three kinds in the market, a kind of is the reinforcement compound cement bag, the way that one deck reinforcement and upper and lower two-layer GB wood pulp adhesive for paper are bonded together in the middle of adopting is made, need mechanical punching ventilative, its intensity and permeability to air are than higher, but the cost height is non-moistureproof; Another kind is the coated plastics woven bag, this sack has plastic film in the single or double hot pressing of Polywoven Bag, is stained with surface paper layer in the outside of filming, and this sack cost is lower, intensity is better, but still need mechanical punching ventilative, non-moistureproof, also having a kind of is four layers of traditional paper bag composite bag, though this sack has permeability to air and moisture resistance, but need to adopt the GB wood pulp, thereby raw material is rare, the intensity of this sack is also undesirable in addition.

At above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of moistureproof compound type packaging bag with stretching property, and this sack has higher intensity, air permeability and good and moisture resistance, and cost is lower.

To achieve these goals, the technical solution of the utility model is: 1, the moistureproof combined packaging bag of a kind of stretching property, this packaging bag is combined by the Polywoven Bag and the outer field two-way stretchable paper bag for packing fruits on of internal layer.Also be lined with the two-way stretchable paper bag of one deck in the described Polywoven Bag.Described Polywoven Bag is the coated plastics woven bag, and machinery is worn and is equipped with breather hole on the coated plastics woven bag.

2, the moistureproof combined packaging bag of a kind of stretching property, this packaging bag is combined by the two-way stretchable paper bag and the outer field plastic knitting bag for packing fruits on of internal layer.Described Polywoven Bag is the coated plastics woven bag.Machinery is worn and is equipped with breather hole on the described coated plastics woven bag.

From technique scheme as can be seen, the utility model adopts Polywoven Bag and the simple bagging of stretchable paper bag to combine, and technology is simple, and cost decreases.In addition, Polywoven Bag has intensity and permeability to air preferably, but non-moistureproof, leakage powder, and the stretchable paper bag has stretching property, permeability to air and moisture resistance preferably, but intensity difference these two kinds of mutual baggings of sack, is combined into after the sack, whole sack just is combined into a length of getting both, abandons the novel package bag of function admirable of both weak points.Also have a bit to be exactly, the utility model is to combine but not bonding or be composited, and paper separates but only need to tear just to sack during recovery, is convenient to recycling, and is free from environmental pollution.

Below in conjunction with accompanying drawing the utility model is made further explanation:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the A-A section-drawing of the utility model embodiment 1;

Fig. 3 is the structural representation of embodiment 2 of the present utility model;

Fig. 4 is embodiment 3 structural representations of the present utility model.

Among Fig. 2, internal layer is general Polywoven Bag 1, and skin is two-way stretchable paper bag 2.Two-way stretchable paper bag 2 can be made for two-way wrinkling wrapper in length and breadth, also can the toughness paper with two-way stretching property that long fibre chemical fibre or other fibrous matter make makes in order to add in paper pulp.

Among Fig. 3, internal layer is two-way stretchable paper bag 2, and skin is general Polywoven Bag 1.The performance of wherein two-way stretchable paper bag 2, material are identical with two-way stretchable paper bag 2 among Fig. 1.

Among Fig. 4, the liner of composite bag is two-way stretchable paper bag 2, and the centre is a common plastics woven bag 1, and skin is two-way stretchable paper bag 2, and is identical among the material of wherein two-way stretchable paper bag 2 and performance and Fig. 1.In addition, if the middle Polywoven Bag among Fig. 31 filmed through single or double and machine drilling after, the intensity of whole composite bag is increased greatly.If after the more two-way stretchable paper bag 2 of the liner among Fig. 3 being carried out and disinfecting, also can be used for the packing of grain and flour.

Claims

1, the moistureproof combined packaging bag of a kind of stretching property is characterized in that this packaging bag is combined by the Polywoven Bag and the outer field two-way stretchable paper bag for packing fruits on of internal layer.

2, packaging bag according to claim 1 is characterized in that also being lined with in the described Polywoven Bag the two-way stretchable paper bag of one deck.

3, packaging bag according to claim 1 and 2 is characterized in that described Polywoven Bag is the coated plastics woven bag, and machinery is worn and is equipped with breather hole on the coated plastics woven bag.

4, the moistureproof combined packaging bag of a kind of stretching property is characterized in that this packaging bag is combined by the two-way stretchable paper bag and the outer field plastic knitting bag for packing fruits on of internal layer.

5, packaging bag according to claim 4 is characterized in that described Polywoven Bag is the coated plastics woven bag.

6, packaging bag according to claim 5 is characterized in that machinery is worn on the described coated plastics woven bag to be equipped with breather hole.