CN102514745A - Filling method of bag in barrel for liquid type container with inner bag and outer barrel - Google Patents

Abstract

The invention provides a filling method of a bag in a barrel for a liquid type container with an inner bag and an outer barrel. The inner bag cannot be twisted during the filling, liquid can be fast filled into the bag, and the filling is convenient. The filling method is characterized by comprising the following steps of: (1) flattening an inner bag body into an octagon shape so that the front surface and the back surface of the bag body are overlapped; (2) regulating the positions of the bag body so that the surface with a bag opening is placed at the back side; (3) then, outwards and upwards turning the lower part of the octagon-shaped surface at the front side, and flattening the part; (4) turning and folding the end part at one side towards the middle, and then, turning and folding the end part at the other side towards the middle; (5) repeating the fourth step until the whole bag body is folded into a strip shape; (6) loading the stripped bag body into the barrel from an opening part of the barrel, and buckling a bag opening part at the opening part of the barrel; (7) then, carrying out the filling, wherein during the filling, the flushed liquid firstly flushes into the bottom part directly opposite to the opening part, and the folded parts at two sides are supported open by the liquid along with the quantity increase of the liquid entering the bag; and (8) next, continuously filling the liquid until the bag is fully filled along with the falling of the folded part in the third step.

Description

A kind of liquid type container with inner bag and outer bucket is with the packaging process of using bag in the bucket

Technical field

The present invention relates to a kind of liquid type container with inner bag and outer bucket with in the bucket with bag, be specially a kind of liquid type container with inner bag and outer bucket with in the bucket with the packaging process of bag.

Background technology

Bag in the bucket, a kind of novel package form as pure water, grape wine, fruit drink, edible wet goods liquid has obtained application more and more widely.Bag comprises inner bag and outer bucket in the bucket, and inner bag is processed by soft materials such as plastic sheetings, and outer bucket is meant the sealing bucket of the band oral area of the hard of processing with various metallic materials or non-metallic material.The direct packing liquid of inner bag, disposable use; Outer bucket provides rigidity to be beneficial to transportation and storage as the external packing of inner bag, and is reusable.

A kind of typical application of bag is a drummed pure water in the bucket, and prior art is the bucket with soft inner bag, is wrapped in after the oral area of soft inner bag turns up on the bung and also uses the bung component package, is provided with air extractor vent in the bottom of bucket.During use, utilize the pressure that gets into the air the bucket from air extractor vent, water is flowed out from inner bag, it opens pore at the bottom of bucket, has destroyed the structure of bucket, has reduced the intensity of bucket, and dust can get in the bucket from air extractor vent, and is dustproof.Now adopt a kind of new manner of packing in the industry; Be exactly not punch at outer barrel bottom, through the pore that the bag mouth of installing at the inner bag oral area is provided with, make air from pore get into inner bag with outside barrel between; Form and the extraneous gas passage that is connected, realize discharging liquid in the bag.The advantage of this mode is to need not to offer air extractor vent on the outer bucket, and structural integrity also keeps its original intensity; But its shortcoming is exactly in canned process, and a bag bucket content outside is prone to distortion because inner bag normally the plastic film heat seal of whole piece form, it is plane that bag is generally, and normally sack carried when canned, the bag body folded fill in outer bucket, canned then.So just exist liquid to carry out to strut two angles of its in-to-in when canned, cause the inner bag distortion, canned difficulty.

Summary of the invention

To the problems referred to above, the invention provides a kind of liquid type container with using bag in the bucket with inner bag and outer bucket, use it in the bucket; Distortion can not appear in inner bag when canned, liquid can the fast speed filling bag in, canned convenience; For this reason, the present invention also provide a kind of liquid type container with inner bag and outer bucket with in the bucket with the packaging process of bag, it makes that distortion can not appear in inner bag when canned; Liquid can the fast speed filling bag in, canned convenience.

A kind of liquid type container with inner bag and outer bucket is used in the bucket with bag; Its technical scheme is such: it comprises the inner bag body; The marsupial mouth is installed on the sack of said inner bag body; It is characterized in that: the inner bag body has at least 3 polygon films assembled; The said sack of the inner bag that assembly unit is good is surrounded by two limits that adjacent two films are positioned at topmost, and the both side ends of the inner bag that assembly unit is good is respectively to be formed by connecting the end that all above-mentioned films are positioned at the same side, and the both ends of said inner bag are higher than the bottom after said inner bag launches.

It is further characterized in that: the inner bag body is assembled by the four sides film; Described four sides film becomes octagon respectively; In the film of described four sides, during the assembly unit end, two faces that are parallel to each other, it is positioned at outermost limit, the amalgamation each other of interlude part, the outermost limit amalgamation of that face film that the remainder of both sides is adjacent respectively about being positioned at;

A kind of liquid type container with inner bag and outer bucket is with the packaging process of using bag in the bucket, and it is characterized in that: it may further comprise the steps:

smoothes out with the fingers the inner bag body and puts down into octagon, makes former and later two faces of bag overlapping;

The position of

adjustment bag makes the face that contains sack place the back;

then with the outwards upwards upset of bottom of fwd octagon face, smoothes out with the fingers flat;

is folding to intermediate flipped with the end of a side, and be again that the end of opposite side is folding to intermediate flipped;

repeating step

is until whole bag is converted into strip;

with the bag of the strip oral area running into tank from bucket, the bag mouth portion is buckled in the oral area of bucket;

can then; During can; The liquid that pours at first will pour and the direct relative bottom of oral area; Along with increasing of the liquid that gets into, liquid struts the both sides folded portions;

then drops through step

folded portions; Liquid continues can, until being full of.

Be placed in the outer bucket with folding through said method of the present invention, sack is stayed bung, when canned; Liquid charges into inner bag fast, because by at least three film amalgamations, but at high speed strutted inner bag after liquid charged into like this; Inner bag is launched, prevented the distortion of inner bag, easily and fast canned.

Description of drawings

Fig. 1 is the main structural representation of looking of the present invention (not packing mouth);

Fig. 2 is a left view of the present invention among Fig. 1;

Fig. 3 is the outside drawing of film among the present invention;

Fig. 4 is the structural representation of inner bag body 1 end film amalgamation of the present invention;

Fig. 5 is the main structural representation of looking of the present invention (the pack mouth is arranged).

The specific embodiment

Like Fig. 1～shown in Figure 5, the present invention includes inner bag body 1, inner bag body 1 is assembled by at least 3 polygon films 2, and among Fig. 2, inner bag body 1 is assembled by four sides film 2; Film 2 becomes the octagon (see figure 3) respectively; The sack 4 of the inner bag that assembly unit is good is exactly that adjacent two films two limits being positioned at topmost surround; The both side ends of the inner bag that assembly unit is good is respectively to be formed by connecting (seeing Fig. 1, Fig. 2) the end that film is positioned at the same side, and the both ends of inner bag 1 are higher than the bottom after inner bag 1 launches.

In the film 2 of four sides, during the assembly unit end, two faces that are parallel to each other; Be the face that is in vertical angles among Fig. 2, it is positioned at outermost limit, the mutual amalgamation (see figure 4) of interlude 3 parts; Form bonding part 5; Be positioned at the outermost limit amalgamation of that face film that the remainder of interlude both sides about in the of 3 is adjacent respectively, form bonding part 6, bonding part 6 overlaps with film piece 7 in Fig. 2.8 is the bag mouth among the figure.

With the packaging process of bag, it may further comprise the steps in the bucket,

smoothes out with the fingers the inner bag body and puts down into octagon, makes former and later two faces of bag overlapping;

The position of

adjustment bag makes the face that contains sack place the back;

then with the outwards upwards upset of bottom of fwd octagon face, smoothes out with the fingers flat;

is folding to intermediate flipped with the end of a side, and be again that the end of opposite side is folding to intermediate flipped;

repeating step

is until whole bag is converted into strip;

with the bag of the strip oral area running into tank from bucket, the bag mouth portion is buckled in the oral area of bucket;

can then; During can; The liquid that pours at first will pour and the direct relative bottom of oral area; Along with increasing of the liquid that gets into, liquid struts two side folded portions;

then step

folded portions drops; Liquid continues can, until being full of.

Claims (1)

1. the liquid type container with inner bag and outer bucket is with the packaging process of using bag in the bucket, and it is characterized in that: it may further comprise the steps:

smoothes out with the fingers the inner bag body and puts down into octagon, makes former and later two faces of bag overlapping;

The position of

adjustment bag makes the face that contains sack place the back;

then with the outwards upwards upset of bottom of fwd octagon face, smoothes out with the fingers flat;

is folding to intermediate flipped with the end of a side, and be again that the end of opposite side is folding to intermediate flipped;

repeating step is until whole bag is converted into strip;

with the bag of the strip oral area running into tank from bucket, the bag mouth portion is buckled in the oral area of bucket;

can then; During can; The liquid that pours at first will pour and the direct relative bottom of oral area; Along with increasing of the liquid that gets into, liquid struts the both sides folded portions;

then drops through step

folded portions; Liquid continues can, until being full of.。

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