CN102249020B - The method manufacturing packing container with laminate wrapping material - Google Patents
The method manufacturing packing container with laminate wrapping material Download PDFInfo
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- CN102249020B CN102249020B CN201110073377.6A CN201110073377A CN102249020B CN 102249020 B CN102249020 B CN 102249020B CN 201110073377 A CN201110073377 A CN 201110073377A CN 102249020 B CN102249020 B CN 102249020B
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Abstract
The present invention relates to a kind of method that laminate wrapping material manufactures packing container, this laminate wrapping material has mutually overlap joint and forms the first and second vertical side of the edge of packing container clinch, wherein, a, the thermoplastic outermost layer of the first vertical side of the edge is overlapped on the second vertical side of the edge thermoplastic innermost layer formed clinch；B, heating clinch, make the thermoplastic outermost layer of the first vertical side of the edge, the thermoplastic innermost layer of the second vertical side of the edge has viscosity；C, extruding clinch, make the thermoplastic outermost layer of the first vertical side of the edge seal and be pasted onto on the thermoplastic innermost layer of this second vertical side of the edge；D, by molten thermoplastic extrude in the end of the first vertical side of the edge；E, extrude and cool down molten thermoplastic and form band, make band seal and be pasted onto the end of the first vertical side of the edge.The method guarantees that the end of the first vertical side of the edge is melted thermoplastic and covers.
Description
Technical field
The present invention relates to a kind of method manufacturing packing container, particularly relate to one laminate wrapping material and manufacture
The method of packing container.
Background technology
Manufacturing the packaging housing the packing container that milk, fruit juice etc. have fluid food products such as liquid food
In container manufacturing device, the packing timber of the drum manufactured by packing timber manufacture machine it is arranged on reel state
The output unit of filling machine, above-mentioned packing timber is output from this output unit, and in filling machine with liquid food
The supply ground same period is transported.Above-mentioned packing timber be by paper base material and on the two sides of this paper base material by polyethylene tree
Flexible layer stack that the thin film of fat is covered is constituted, as required, can be formed between paper base material and thin film by
The overcoat that aluminium foil, gas barrier properties resin etc. are constituted.And, after above-mentioned packing timber is by exporting machine output, along vertical
To being sealed to tubular, by service, liquid food is filled into the packing timber of tubular, i.e. tubular and packs
In material.But, when making above-mentioned packing timber become tubular, two edges of packing timber are in tubular packing timber
Outer can form step, be filled in tubular packing timber thus with liquid food, liquid food can be from formation
The end face of the packing timber of above-mentioned step penetrates in packing timber, causes the Quality Down of packing container.
Chinese invention patent application description CN101341073A discloses a kind of packaging-container production method, as
Shown in Fig. 1, in the drawings, 11 is the packing timber of a kind of drum, and this packing timber 11 is with the state of reel 31
It is housed in box 32, is arranged on the output unit of the filling machine not being illustrated by this box 32.Above-mentioned
Packing timber 11 has multiple structure, has: paper base material and by resin film cover in this paper base material institute shape
The innermost layer as ground floor become and the outermost layer as the second layer.Further, as required, it is also possible to
The overcoat being made up of gas barrier properties resin and aluminium foil etc. is formed between above-mentioned paper base material and innermost layer.At above-mentioned paper
Wrapping printing is implemented between base material and outermost layer and outermost surface.
As being used for forming above-mentioned innermost layer and outermost resin film, it is possible to use thermoplastic resin and heat
Thermosetting resins etc., are preferably used polyolefin, the thermoplastic resin such as polyamide and polyester.And, as this heat
Plastic resin, is preferably used the polyolefin such as polyethylene, polypropylene, ethylene propylene copolymer, polybutene 1.
And, as polyolefin, particularly preferred polyethylene, as polyethylene can enumerate high density polyethylene (HDPE), in
Density polyethylene, Low Density Polyethylene (LDPE) and straight-chain Low Density Polyethylene (LLDPE), cyclopentadienyl gold
Belong to linear low density polyethylene (mLLDPE or MPE) etc., and particularly preferably Low Density Polyethylene and
mLLDPE。
The packing timber 11 exported from above-mentioned output unit, is carried by phased manner by the transporter not being illustrated and passes through
Deflector roll 34, belt delivering roller 35, jockey pulley 36 and bending roll 37 etc. are sent to lettering unit 38, at this lettering list
Unit 38, the build date of packing container 33 etc. is always represented hurdle by lettering at packing timber 11.Then, it is printed on
The packing timber 11 of build date is sent to the peelable tape applicator 39 as sticker, peelable by this
On tape applicator 39, the edge of the side that the peelable adhesive tape 12 of elongate is pasted onto packing timber 11,
Positioned temporarily.Above-mentioned peelable tape applicator 39 possesses the heater 14 as heater block, for right
The edge of packing timber 11 before peelable adhesive tape 12 is stuck heats；Pressing as pressing component
Roller 15, for being pressed against the edge of packing timber 11 by peelable adhesive tape 12；And leading as guide member
Roller r1 and r2 etc., for drawing the peelable adhesive tape 12 exported by the adhesive tape output machine not being illustrated
Lead.It addition, because the edge of packing timber 11 is pre-heated, as long as so above-mentioned pressing roller 15 is by peelable
It is pressed against on packing timber 11 from adhesive tape 12, so that it may peelable adhesive tape 12 is pasted onto on packing timber 11.Cause
This, pressing roller 15 works as affixed component.
The packing timber 11 being pasted with above-mentioned peelable adhesive tape 12 is sent to sterilization tank 42 via bending roll 40,41,
Sterilize by bactericidal liquid such as hydrogen peroxide in this sterilization tank 42.43 is the bottom tray of sterilization tank 42.Connect
, packing timber 11 is sent to air knife 45 by felt wrapped roll 44, makes it dried by this air knife 45, passes through
Top forming ring 48, movable forming ring 49, segmentation forming ring 50 and bottom forming ring 51, make packing timber 11
Gradually be deformed into tubular, during this period, packing timber 11 be sealed longitudinally by longitudinal sealing device 55 and
Form tubular packing timber 13, the liquid as the content such as milk, fruit juice then will supplied by supply pipe 52
Body food is filled in above-mentioned tubular packing timber 13.
If making above-mentioned packing timber 11 become tubular, then two edges of packing timber 11 are at tubular packing timber 13
Inside and outside can form step, along with liquid food is filled into tubular packing timber 13, liquid food can be from being formed
The end face of the packing timber 11 stating step penetrates in packing timber 11, causes the Quality Down of packing container.?
This, cross over above-mentioned step by above-mentioned peelable adhesive tape 12 and paste and be permanently fixed, this prevents bag
The dress end face of material 11 and contacting of liquid food.
The above-mentioned tubular packing timber 13 that aforesaid liquid food is filled, is guided conveying by tubular support ring 57, and
And it is transported to the sealing cutting device 61 as transverse sealing device and shearing device, cut off by this sealing
Device 61 clamps, and is just transversally sealed every the interval of regulation, cuts off, and forms the prototype container 23 of pillow.
Then, this prototype container 23 is carried by the final conveyer device 58 that shapes, and is shaped as regulation
Shape, the above-mentioned packing container 33 housing a certain amount of liquid food completes.
Crossed over two limits of packing timber 11 by peelable adhesive tape 12 inside the packing container 33 that said method is made
The step that edge is formed is pasted and is permanently fixed, but, due to peelable adhesive tape 12 and packing timber 11 points
Do not produced by different production lines, be transported to the workshop of fluid food products, then will on filling machine
Peelable adhesive tape 12 pastes on packing timber 11, as in figure 2 it is shown, peelable adhesive tape 12 and packing timber 11
Two edges 21,22 the surface pasted mutually between often have a risk that can not fully seal stickup, and
Can form triangle space 10 at step, food liquid can enter this triangle space between poorly sealed surface
Thus penetrate in the paper base material of packing timber 11, the immersed macerationization of paper base material affects the shape of packing container, paper substrate
Impurity in material can enter food liquid and contaminated food products, affects food safety.
Summary of the invention
The technical problem to be solved is to provide a kind of laminate wrapping material and manufactures the side of packing container
Method, without being additionally provided peelable adhesive tape, it is ensured that packing container clinch forms sealing reliably, makes clinch
Step at edge end paper base material both will not by food liquid soak also will not contaminated food products, ensure food
Product safety, and production cost is low.
For solving above-mentioned technical problem, the present invention provides a kind of laminate wrapping material to manufacture the side of packing container
Method, this laminate wrapping material includes thermoplastic outermost layer, paper substrate sheet material layers, thermoplastic innermost layer,
There is mutually overlap joint and form the first and second vertical side of the edge of packing container clinch, wherein:
A, the thermoplastic outermost layer of described laminate wrapping material the first vertical side of the edge is overlapped on described
The clinch that the thermoplastic innermost layer of two vertical side of the edge is formed；
B, heat this clinch, make the thermoplastic outermost layer of the first vertical side of the edge, second longitudinal side
The thermoplastic innermost layer of edge has viscosity；
C, extrude this clinch, make the thermoplastic outermost layer of the first vertical side of the edge seal be pasted onto this
On the thermoplastic innermost layer of two vertical side of the edge；
D, by molten thermoplastic extrude in the end of described first vertical side of the edge；
E, extrude and cool down this molten thermoplastic formed band, make this band seal be pasted onto this first indulge
To the end of lateral edges.
As a modification of the present invention, in described step d, the thermoplastic of described extrusion lamination is adopted
With the material similar with described thermoplastic innermost layer.
As a further improvement on the present invention, in described step d, described thermoplastic uses with described
The material that thermoplastic innermost layer is identical.
As a further improvement on the present invention, in described step d, described molten thermoplastic is with column
It is expressed into the end of described first vertical side of the edge.
As a further improvement on the present invention, in described step e, described molten thermoplastic is squeezed
The band formed extends to direction, both sides from described end respectively and is pasted onto the first and second vertical side of the edge
On thermoplastic innermost layer.
As a further improvement on the present invention, the width that described band is pasted onto on this first vertical side of the edge is
0.2-20mm；The width that described band is pasted onto on this first vertical side of the edge is 0.2-20mm.
As a further improvement on the present invention, in stepb, this clinch of described heating use hot-air or
High-frequency heating.
As a further improvement on the present invention, in step c, e, described fashion of extrusion uses roll-in mode to add
Pressure.
As a further improvement on the present invention, described laminate wrapping material is by multiple packaging units head and the tail continuously
The broadband shape being integrally connected, or the lamellar that described laminate wrapping material is individual packaging unit.
As a further improvement on the present invention, described step a and step b are exchanged.
Compared with prior art, owing to taking to be squeezed molten thermoplastic, the band formed divides the present invention
Do not extend to direction, both sides from described end and be pasted onto the thermoplastic of the first and second vertical side of the edge
On internal layer, this band is made to seal the end being pasted onto this first vertical side of the edge；Guarantee the first vertical side of the edge
End be melted thermoplastic and cover, after extruding cooling, packing container clinch forms reliably sealing,
Make the paper base material of the end at edge at the step of clinch both will not have been soaked by food liquid and also will not pollute food
Product, ensure food safety, and production cost is low.
Accompanying drawing explanation
Fig. 1 represents that existing a kind of laminate wrapping material manufactures the simple schematic diagram of the process of packing container.
Fig. 2 represents the schematic diagram of the packing container clinch using the manufacture process of Fig. 1 signal to obtain.
Fig. 3 represents the schematic diagram of the packing container clinch using the manufacture of the inventive method to obtain.
Detailed description of the invention
As shown in Figure 2,3, for manufacturing the laminate wrapping material of packing container by generally including thermoplastic inside outward
Property material outermost layer 66, paper substrate sheet material layers 65, thermoplastic intermediate layer 64, overcoat 63, adhesive layer
62, thermoplastic innermost layer 61.
Laminate wrapping material has mutually overlap joint and forms first vertical side of the edge 21 and the of packing container clinch
Two vertical side of the edge 22, during laminate wrapping material is formed packing container, by the first vertical side of the edge
The outermost layer overlap joint of 21 pastes the clinch forming packing container on the innermost layer of the second vertical side of the edge 22.
Fig. 3 illustrates the method that present invention laminate wrapping material manufactures packing container, with signal prior art
Fig. 1 unlike, the step of peelable for existing patch adhesive tape 12 is omitted, squeezes again after clinch is formed
The end of pressure molten thermoplastic plastic-enclosed the first vertical side of the edge 21, the steps include:
A, the thermoplastic outermost layer 66 of laminate wrapping material the first vertical side of the edge 21 is overlapped on described
The clinch that the thermoplastic innermost layer 61 of the second vertical side of the edge 22 is formed；
B, heat this clinch, make the thermoplastic outermost layer 66, second of the first vertical side of the edge 21 indulge
To the thermoplastic innermost layer 61 of lateral edges 22, there is viscosity；
C, employing roll-in mode extrude this clinch, make the thermoplastic outermost of the first vertical side of the edge 21
Layer seals and is pasted onto on the thermoplastic innermost layer of this second vertical side of the edge 22；
D, by extruder by the molten thermoplastic identical with thermoplastic innermost layer, from first longitudinally
The thermoplastic innermost layer side of lateral edges 21 is extruded on the end of the first vertical side of the edge 21, extrusion
Molten thermoplastic be shaped as flat column, its thickness is thicker than the end of the first vertical side of the edge 21, thick
Degree 1.1-3 times, it is also possible to be cylinder, flat column, as long as the end of the first vertical side of the edge 21 can be reached
The effect that portion fully seals, so can guarantee that the viscous of molten thermoplastic plastics and thermoplastic innermost layer
Make a concerted effort.
Certainly, molten thermoplastic can also use the material similar with thermoplastic innermost layer, such as,
When thermoplastic innermost layer selects MLLDPE, molten thermoplastic can select LLDPE, LDPE to be equal to
The polythene material of class, also can play reasonable sticking effect.
E, employing roll-in mode extrude and cool down this molten thermoplastic and form band 25, make this band seal
It is pasted onto the end of this first vertical side of the edge 21, and molten thermoplastic is squeezed the band 25 formed
Extend and be pasted onto the thermoplastic of the first vertical side of the edge 21 to the direction, middle part of described laminate wrapping material from end
On property material innermost layer；Extend and in step e to the direction, middle part away from described laminate wrapping material simultaneously
Being pasted onto on the thermoplastic innermost layer of the second vertical side of the edge 22, band 25 is pasted onto this first longitudinal direction
The width of the thermoplastic innermost layer part on lateral edges 21 can be 0.2-20mm；It is pasted onto second longitudinally
The width of the part on the thermoplastic innermost layer of lateral edges can be 0.2-20mm.
Then pass through a series of known fill and forming step, make packing container.
Certainly, above-mentioned steps a and b can according to actual production need exchange.
After above-mentioned steps, the clinch of packing container forms structure as shown in Figure 3, first longitudinal side
The end at edge 21 is by band 25 tight seal, and this band also extends also to the first and second vertical side of the edge
Closely it is pasted onto on thermoplastic innermost layer, is further ensured that the end of the first vertical side of the edge 21 is by tightly
Seal, will not be with the Food Contact in container.
The laminate wrapping material that can manufacture packing container in aforementioned manners can be as shown in fig. 1 by multiple bags
The broadband shape of the dress unit continuously coupled one of head and the tail, it is also possible to be the lamellar of individual packaging unit, their district
It not that the feed of early stage, the filling formation step in later stage are had any different, and these steps are those skilled in the art
Known approaches.
Claims (7)
1. the method manufacturing packing container with laminate wrapping material, this laminate wrapping material includes thermoplasticity
Material outermost layer, paper substrate sheet material layers, thermoplastic innermost layer, this laminate wrapping material has first and second
Vertical side of the edge, after bactericidal liquid sterilization processing, is rolled into tubular by this laminate wrapping material, then carry out with
Lower step:
A, the thermoplastic outermost layer of described laminate wrapping material the first vertical side of the edge is overlapped on described
The clinch that the thermoplastic innermost layer of two vertical side of the edge is formed；
B, heat this clinch, make the thermoplastic outermost layer of the first vertical side of the edge, second longitudinal side
The thermoplastic innermost layer of edge has viscosity；
C, extrude this clinch, make the thermoplastic outermost layer of the first vertical side of the edge seal be pasted onto this
On the thermoplastic innermost layer of two vertical side of the edge；
D, by molten thermoplastic extrude in the end of described first vertical side of the edge；
E, extrude and cool down this molten thermoplastic formed band, make this band seal be pasted onto this first indulge
To the end of lateral edges；
In described step d, described molten thermoplastic uses similar with described thermoplastic innermost layer
Material, described molten thermoplastic is expressed into the end of described first vertical side of the edge with column；Institute
State in step e, described molten thermoplastic be squeezed formed band respectively from described end to two sides
To extending and being pasted onto on the thermoplastic innermost layer of the first and second vertical side of the edge；
After above-mentioned steps, the thermoplastic outermost layer of described first vertical side of the edge pastes described
On the thermoplastic innermost layer of one vertical side of the edge, the clinch of described band tight seal packing container
The end of the first vertical side of the edge, and the thermoplastic closely pasting the first and second vertical side of the edge is interior
Layer.
Laminate wrapping material the most according to claim 1 manufactures the method for packing container, and its feature exists
In: in described step d, described molten thermoplastic uses identical with described thermoplastic innermost layer
Material.
Laminate wrapping material the most according to claim 1 manufactures the method for packing container, and its feature exists
In: the width that described band is pasted onto on this first vertical side of the edge is 0.2-20mm；Described band is pasted onto
Width on this first vertical side of the edge is 0.2-20mm.
Laminate wrapping material the most according to claim 1 manufactures the method for packing container, and its feature exists
In: in stepb, this clinch of described heating uses hot-air or high-frequency heating.
Laminate wrapping material the most according to claim 1 manufactures the method for packing container, and its feature exists
In: in step c, e, described fashion of extrusion uses roll-in mode to pressurize.
Laminate wrapping material the most according to any one of claim 1 to 5 manufactures the side of packing container
Method, it is characterised in that: described laminate wrapping material is by the width of multiple packaging units continuously coupled one of head and the tail
Banding, or the lamellar that described laminate wrapping material is individual packaging unit.
Laminate wrapping material the most according to any one of claim 1 to 5 manufactures the side of packing container
Method, it is characterised in that: described step a and step b are exchanged.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110073377.6A CN102249020B (en) | 2011-03-25 | 2011-03-25 | The method manufacturing packing container with laminate wrapping material |
| PCT/CN2012/072992 WO2012130110A1 (en) | 2011-03-25 | 2012-03-25 | Method for manufacturing packaging containers by using laminated packaging materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110073377.6A CN102249020B (en) | 2011-03-25 | 2011-03-25 | The method manufacturing packing container with laminate wrapping material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102249020A CN102249020A (en) | 2011-11-23 |
| CN102249020B true CN102249020B (en) | 2017-01-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110073377.6A Active CN102249020B (en) | 2011-03-25 | 2011-03-25 | The method manufacturing packing container with laminate wrapping material |
Country Status (1)
| Country | Link |
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| CN (1) | CN102249020B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012130110A1 (en) * | 2011-03-25 | 2012-10-04 | 叶万东 | Method for manufacturing packaging containers by using laminated packaging materials |
| CN106184925A (en) * | 2016-07-21 | 2016-12-07 | 台州市珠叶机械科技有限公司 | The packing container that a kind of laminate wrapping material manufactures |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283550A (en) * | 2000-07-07 | 2001-02-14 | 甘国工 | Bidiretional tension-resistant packing bag of composite plastic film |
| CN1852838A (en) * | 2003-09-17 | 2006-10-25 | 日本纸张包装株式会社 | Sealing tape in paper container, and longitudinal sealing tape in paper container and paper container with longitudinal sealing tape |
| CN201472828U (en) * | 2009-03-09 | 2010-05-19 | 山东泉林包装有限公司 | Wrapping joint |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3081213A (en) * | 1958-05-02 | 1963-03-12 | Union Carbide Corp | Edge coating |
| JPS51127881A (en) * | 1975-04-28 | 1976-11-08 | Yoshino Kogyosho Co Ltd | Method of forming laminated sheet container coated with synthetic resin film on both surfaces |
| JP3394596B2 (en) * | 1994-05-23 | 2003-04-07 | 日本テトラパック株式会社 | Packaging container |
| JP2003039576A (en) * | 2001-08-02 | 2003-02-13 | Tokan Kogyo Co Ltd | Method and apparatus for treating edge of paper container raw paper, paper container raw paper subjected to edge treatment and paper container molded from raw paper |
| DE102006003160A1 (en) * | 2006-01-24 | 2007-09-06 | Airbus Deutschland Gmbh | Surface seal and method for producing sealed joints with the surface seal |
-
2011
- 2011-03-25 CN CN201110073377.6A patent/CN102249020B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1283550A (en) * | 2000-07-07 | 2001-02-14 | 甘国工 | Bidiretional tension-resistant packing bag of composite plastic film |
| CN1852838A (en) * | 2003-09-17 | 2006-10-25 | 日本纸张包装株式会社 | Sealing tape in paper container, and longitudinal sealing tape in paper container and paper container with longitudinal sealing tape |
| CN201472828U (en) * | 2009-03-09 | 2010-05-19 | 山东泉林包装有限公司 | Wrapping joint |
Also Published As
| Publication number | Publication date |
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| CN102249020A (en) | 2011-11-23 |
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Effective date of registration: 20201211 Address after: 224000 7th floor, D2 building, Xinlong Plaza, No.38, Renmin South Road, Xindu street, Yannan high tech Zone, Yancheng City, Jiangsu Province Patentee after: Yancheng Yannan high tech Zone Urban Industry Development Co.,Ltd. Address before: 318000 xujiayang village, Huangyan Gaoqiao street, Taizhou City, Zhejiang Province Patentee before: TAIZHOU ZHUYE MACHINERY SCIENCE & TECHNOLOGY Co.,Ltd. |