CN201406094Y

CN201406094Y - Mouth sealing bag of plastic GT flexible package

Info

Publication number: CN201406094Y
Application number: CN2009201453802U
Authority: CN
Inventors: 陈涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-20
Filing date: 2009-03-20
Publication date: 2010-02-17
Anticipated expiration: 2019-03-20

Abstract

A mouth sealing bag of a plastic GT (gas tight) flexible package consists of a GT film bag, a sealable bottle mouth, an opening and a reserved sealing edge. The sealable bottle mouth is embedded and sealed in the GT film bag by the hot pressing method or the ultrasonic sealing technology; and the GT film bag consists of a printing substrate, a printing ink layer, an adhesive composite layer, a high barrier core layer (such as transparent aluminized film or transparent silicified film) and a heat sealing layer. The opening for filling is reserved at the top end of the GT film bag, so that users(enterprises) can fill liquid food into the bag through the reserved edge, the reserved opening and the sealable bottle neck; and after the liquid food filling, a bottle cover is screwed and the reserved sealing edge at the opening is heat sealed at last. The mouth sealing bag has the advantages of superhigh barrier performance, high fragrance preservation, high transparency, fall resistance, high temperature resistance, low temperature resistance, high tightness, corrosion resistance, theft prevention, low gram weight, sanitation, easy reclamation, energy conservation, simple implementation,low cost, novel design and short period for developing new products, and can effectively achieve the comprehensive effects of environmental pollution reduction and energy conservation.

Description

A kind of plastics GT flexible packaging envelope mouth bag

Technical field:

The utility model relates to a kind of flexible packaging envelope mouth bag, particularly uses a kind of transparent metallized film of use with multiple-structure or the transparent plating silicon thin film plastic flexible package envelope mouth bag as core material (goodlayer is called for short the GT/GL film).

Background technology:

Beer packing generally adopts glass bottle or the canned rigid package form of metal in the market, not only need to consume more expensive woof and scarce resource, because the packing own wt is excessive, also increased the burden of transportation in addition, thus the actual integrated cost that strengthens product.

In addition, metal or glass packaging all have the problem of insurmountable breakage rate (anti-dropping capability is poor).If deviation appears in the process of can, and consumption or logistics progress are careless, and the accident of all very easily blasting causes the low and personal injury of yield rate.This two classes packing also all exists the distinct disadvantage that packing container Nei Yiliu hides filth in addition, and system bottle and system filling power consumption are huge in addition, and space hold is huge, and particularly the recovery of glass bottle, cleaning and detection need drop into huge system, man power and material.

Existing in the market beer soft packaging bag all is to transform a little to form on the basis of common liq soft package of beverage bag basically, the product and the technology that all belong to nontransparent and non-high-barrier series, employed various material is common common materials, for example AL (aluminium foil), PA (polyamide, be commonly called as " nylon "), KPA (PVDC is coated with nylon membrane), PET (polyester), PE (polyethylene) etc.Fail to realize that the speciality at soft drinks such as beer disposes specific packing at all.

Summary of the invention:

The purpose of this utility model provide the transparent metallized film of a kind of use or transparent plating silicon thin film as core material, utilize its superelevation barrier property, to guarantee the quality a kind of flexible packaging envelope mouth bag of protection of packed article, general designation plastics GT flexible packaging envelope mouth bag comprehensively.

But the utility model is made of GT bag film encapsulation type bottle neck, opening and edge sealing, is installed in the GT bag film but wherein the encapsulation type bottle neck is embedded, and the upper end of GT bag film is installed on opening, and the top is for reserving edge sealing.

GT bag film of the present utility model is made of printed substrate layer, ink lay, adhesive composite bed, high-barrier core layer (as transparent metallized film or transparent plating silicon thin film) and hot sealing layer, wherein the resin that had by printing ink itself of ink lay is attached on the printed substrate layer and stick together, and the high-barrier core layer is cohered the compound one that is with ink lay and hot sealing layer respectively by the adhesive composite bed.Hot sealing layer is innermost layer of the present utility model and the direct contact packed article.

The utlity model has superelevation barrier property, fragrance protectiveness height, diaphaneity height, leak tightness height, anti-ly fall, high temperature resistant, low temperature resistant, withstanding corrosion, anti-ly steal, characteristics such as low grammes per square metre, health, easily recovery, energy savings.Its high-barrier core layer wherein also comprises the special coating that the evaporation layer is protected, so be called plating ceramic membrane, GT film or GL film again by being coated with or evaporation one deck high purity silicon oxide S iOX or alundum (Al Al2O3 make on PET film or PA film.This membraneous material (0.1～0.5cm3/m224h0.1Mpa), also has the high transparency except having high barrier.And barrier property is stable, is not subjected to the influence of temperature and humidity, can tolerate and satisfy the commercial sterilization requirement of microwave baking and thermophilic digestion fully.

In addition, the feature of environmental protection of GL film and GT film is superior, recyclable, and residue is few during burning, and is not chloride, can not form and produce carcinogens such as bioxin.

Description of drawings:

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

Fig. 2 is a GT bag film structural representation of the present utility model.

Wherein: 1, printed substrate layer, 2, ink lay, 3, the adhesive composite bed, 4, the high-barrier core layer, 5, hot sealing layer, 6, the GT bag film, 7, reserve edge sealing, but 8 encapsulation type bottle necks, 9, opening.

Specific embodiment:

The utility model is described in further detail by specific embodiment below in conjunction with accompanying drawing.

But the utility model is to be made of GT bag film 6 encapsulation type bottle necks 8, opening 9 and reservation edge sealing 7 that the material that is core constitutes with the GT film.Wherein but encapsulation type bottle neck 8 is by hot pressing mode or super sonic involution technology is embedded is packaged in the GT bag film 6, and the top of GT bag film 6 is reserved with can with opening 9 and the reservation edge sealing 7 after finishing can.Screw bottle cap after finishing the food liquid can, and the reservation edge sealing of opening part is finished last heat-sealing edge sealing.

GT bag film 6 of the present utility model is made of printed substrate layer 1, ink lay 2, adhesive composite bed 3, high-barrier core layer 4 and hot sealing layer 5, wherein the resin that had by printing ink itself of ink lay 2 is attached on the printed substrate layer 1 and stick together, and high-barrier core layer 4 is cohered the compound one that is with ink lay 2 and hot sealing layer 5 respectively by adhesive composite bed 3.Hot sealing layer 5 is innermost layer of the present utility model, the direct contact packed article.

The technological process of production of the present utility model is as follows:

1 printing: the driving surface to printed substrate layer 1 and ink lay 2 (is a corona surface exactly, be generally mylar PET, polyamide film is nylon membrane PA or polypropylene film OPP) carry out gravure (based on the lining seal), the loyal picture and text design information with the client carries out complete reproduction.

Specifically, carry out electricity carving plate-making (intaglio plate) according to requirement of client and picture and text design content exactly, the accent that carries out printing ink according to picture and text design-calculated color form and aspect and chromatic number is converted then, prints on multicolour press again.Also can use the flexo mode to print.

2 is compound: cohere with the composite production device of ink lay 2 and high-barrier core layer 4 and high-barrier core layer 4 and hot sealing layer 5 utilization specialties with by the adhesive composite bed of being made by binder 3 that technological requirement dissolves respectively.Utilize the cable roll glue coated on a kind of therein selectively thin film work face (corona surface), to treat that laminated film advances through the heat seal pressure roller bonding with another layer again after super-dry, promptly " unites two into one ".The material shape that drops into is volume film (two volume), finishes the semifinished piece form after compound, also is volume film (volume).Perhaps also can use solvent-free equipment complex or extrude equipment complex and carry out compound.

Can consider according to combined factors such as different requirements and material characteristicses, select different glue systems targetedly, dissolve into certain working concentration according to technological requirement then and produce use.

3 solidify: this procedure purpose is in order to make the glue after compound finish interlinkage reaction completely, make the viscosity of glue obtain maximum release, thereby guarantee that " delamination " or quality accidents such as " layerings " can not take place the product after compound in use, the strict simultaneously sanitary index of paying attention to forbids the dissolvent residual index to occur exceeding standard.

The technological temperature of curing room is generally 50～55 ℃, and cure time was generally 24～48 hours.

Semifinished piece after general ground floor is compound carries out the compound of the second layer again after overcuring, after the compound second layer is finished, carry out solidifying the second time again.Also can finish continuously twice compound after, the unified again disposal solidifying that carries out.

4 bags: the volume film is finished the curing back by technological requirement just can carry out bag on Bag Making Machine.To different boiling hot cutter and cutting knife be installed respectively according to the difference (comprising the abnormity bag) of bag type in the bag operation, produce bag by technological requirement.The material shape that drops into is the volume film, and output semifinished piece form is the blank (when not sealing mouth) of GT bag film 6.

5 envelope mouths: last procedure that is production process.Envelope mouth equipment is divided into full automaticity envelope mouth type and S. A. envelope mouth type.The semifinished piece that bag is finished exactly, but utilize envelope mouth equipment will be required and the encapsulation type bottle neck 8 hot pressure involutions selected on GT bag film 6, finish production and process.Can select different envelope mouth equipment according to different bag types.But encapsulation type bottle neck 8 wherein mostly is polypropylene based material at present and makes.

The utility model is except can applying to the beer packaging for foodstuff, also can be used for alcoholic liquid goods such as splendid attire grape wine, liquor, also can satisfy for example liquid state packing of cola, fruit drink, inspissated juice, jam, honey, tea beverage and cooking oil and baste such as sauce vinegar etc. of drink beverage fully simultaneously.

Claims

1. the mouth bag is sealed in a plastics GT flexible packaging, it is characterized in that, by GT bag film (6) but encapsulation type bottle neck (8) and reserve edge sealing (7) and constitute, install in GT bag film (6) but wherein encapsulation type bottle neck (8) is embedded, opening (9) is installed in the upper end of GT bag film (6), and the top is for reserving edge sealing (7).

2. GT flexible packaging envelope mouth bag according to claim 1, it is characterized in that, described GT bag film (6) is made of printed substrate (1), ink lay (2), adhesive composite bed (3), high-barrier core layer (4) and hot sealing layer (5), wherein the resin that had by printing ink itself of ink lay (2) is gone up attached to printed substrate layer (1) and is sticked together, and high-barrier core layer (4) is cohered with ink lay (2) and hot sealing layer (5) respectively by adhesive composite bed (3).