CN106184925A - The packing container that a kind of laminate wrapping material manufactures - Google Patents

The packing container that a kind of laminate wrapping material manufactures Download PDF

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Publication number
CN106184925A
CN106184925A CN201610577539.2A CN201610577539A CN106184925A CN 106184925 A CN106184925 A CN 106184925A CN 201610577539 A CN201610577539 A CN 201610577539A CN 106184925 A CN106184925 A CN 106184925A
Authority
CN
China
Prior art keywords
edge
vertical side
thermoplastic
wrapping material
clinch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610577539.2A
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Chinese (zh)
Inventor
黄志启
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAIZHOU ZHUYE MACHINERY TECHNOLOGY Co Ltd
Original Assignee
TAIZHOU ZHUYE MACHINERY TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TAIZHOU ZHUYE MACHINERY TECHNOLOGY Co Ltd filed Critical TAIZHOU ZHUYE MACHINERY TECHNOLOGY Co Ltd
Priority to CN201610577539.2A priority Critical patent/CN106184925A/en
Publication of CN106184925A publication Critical patent/CN106184925A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04Applying separate sealing or securing members, e.g. clips
    • B65B51/06Applying adhesive tape
    • B65B51/067Applying adhesive tape to the closure flaps of boxes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/06Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00Containers; Receptacles
    • B32B2439/70Food packaging

Abstract

The present invention provides the packing container that a kind of laminate wrapping material manufactures, there is clinch and seal the band pasting this clinch, forming described clinch: a according to the following steps, the thermoplastic outermost layer of described first vertical side of the edge is overlapped on the described clinch that the thermoplastic innermost layer of described second vertical side of the edge is formed;B, heat this 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, extrude this clinch, make the thermoplastic outermost layer of described 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 described first vertical side of the edge;E, extrude and cool down this molten thermoplastic and form described band, make this band seal the end being pasted onto this first vertical side of the edge.The present invention can ensure food safety, and production cost is low.

Description

The packing container that a kind of laminate wrapping material manufactures
Present patent application is the application entitled one laminate wrapping material proposed for the first time based on the applicant Manufacture the divisional application of the application for a patent for invention of the method for packing container, the filing date of original application on 03 25th, 2011, Shen Please number be 201110073377.6.
Technical field
The present invention relates to a kind of packing container, particularly relate to the packing container that a kind of laminate wrapping material manufactures.
Background technology
Manufacturing the packing container system housing the packing container that milk, fruit juice etc. have fluid food products such as liquid food In manufacturing apparatus, the packing timber of the drum manufactured by packing timber manufacture machine it is arranged on the output unit of filling machine with reel state, Above-mentioned packing timber is output from this output unit, and in filling machine with supply same period of liquid food transported.Above-mentioned packaging Material is to be made up of paper base material and the flexible layer stack that covered by the thin film of polyvinyl resin on the two sides of this paper base material, according to Need, the overcoat being made up of aluminium foil, gas barrier properties resin etc. can be formed between paper base material and thin film.And, above-mentioned packing timber After output machine output, along being longitudinally sealed to tubular, by service liquid food is filled into the packing timber, i.e. of tubular In tubular packing timber.But, when making above-mentioned packing timber become tubular, two edges of packing timber are in the inside and outside meeting of tubular packing timber Forming step, be filled in tubular packing timber thus with liquid food, liquid food can be from the packaging forming above-mentioned step The end face of material 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, such as Fig. 1 institute Showing, in the drawings, 11 is the packing timber of a kind of drum, and this packing timber 11 is housed in box 32 with the state of reel 31, passes through This box 32 is arranged on the output unit of the filling machine not being illustrated.Above-mentioned packing timber 11 has multiple structure, has: paper substrate Material and resin film is covered the innermost layer at the be formed as ground floor of this paper base material and the outermost as the second layer Layer.Further, as required, it is also possible to formed between above-mentioned paper base material and innermost layer and to be made up of gas barrier properties resin and aluminium foil etc. Overcoat.Between above-mentioned paper base material and outermost layer and outermost surface implement wrapping printing.
As being used for forming above-mentioned innermost layer and outermost resin film, it is possible to use thermoplastic resin and thermosetting tree Fat etc., are preferably used polyolefin, the thermoplastic resin such as polyamide and polyester.And, as this thermoplastic resin, it is preferably used poly- The polyolefin such as ethylene, polypropylene, ethylene propylene copolymer, polybutene l.And, as polyolefin, particularly preferred poly-second Alkene, can enumerate high density polyethylene (HDPE), medium density polyethylene, Low Density Polyethylene (LDPE) and straight-chain as polyethylene Low Density Polyethylene (LLDPE), metallocene linear-low density polyethylene (mLLDPE or MPE) etc., and the lowest close Degree 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 unit 38, packing container 33 Build dates etc. are always represented hurdle by lettering at packing timber 11.Then, the packing timber 11 being printed on build date is sent to as viscous The peelable tape applicator 39 of label apparatus, by this peelable tape applicator 39, the peelable adhesive tape 12 of elongate is pasted On the edge of the side of packing timber 11, positioned temporarily.Above-mentioned peelable tape applicator 39 possesses as heater block Heater 14, the edge of the packing timber 11 before being stuck peelable adhesive tape 12 heats;As pressing component Pressing roller 15, for being pressed against the edge of packing timber 11 by peelable adhesive tape 12;And deflector roll r1 and r2 as guide member Deng, for the peelable adhesive tape 12 exported by the adhesive tape output machine not being illustrated is guided.It addition, because packing timber 11 Edge be pre-heated, as long as so peelable adhesive tape 12 is pressed against on packing timber 11 by above-mentioned pressing roller 15, so that it may can Stripping tape 12 is pasted onto on packing timber 11.Therefore, 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, kills at this Bacterium groove 42 is sterilized by bactericidal liquid such as hydrogen peroxide.43 is the bottom tray of sterilization tank 42.Then, packing timber 11 passes through press polish Roller 44 is sent to air knife 45, makes it dried by this air knife 45, by top forming ring 48, movable forming ring 49, is divided into Shape ring 50 and bottom forming ring 51, make packing timber 11 gradually be deformed into tubular, and during this period, packing timber 11 passes through longitudinal sealing Device 55 is sealed longitudinally and forms tubular packing timber 13, then interior as milk, fruit juice etc. using supplied by supply pipe 52 Tolerant liquid 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 can shape at the inside and outside of tubular packing timber 13 Becoming step, along with liquid food is filled into tubular packing timber 13, liquid food can be from the packing timber 11 of the above-mentioned step of formation End face penetrates in packing timber 11, causes the Quality Down of packing container.Here, above-mentioned peelable adhesive tape 12 is crossed over above-mentioned Rank are pasted and are permanently fixed, and this prevents the end face of packing timber 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 is removed Deliver to the sealing cutting device 61 as transverse sealing device and shearing device, clamped by this sealing cutting device 61, every The interval of regulation is just transversally sealed, 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 the shape of regulation, receives The above-mentioned packing container 33 holding a certain amount of liquid food completes.
Crossed over two edges of packing timber 11 by peelable adhesive tape 12 inside the packing container 33 that said method is made to be formed Step paste and be permanently fixed, but, raw by different production line respectively due to peelable adhesive tape 12 and packing timber 11 Produce, be transported to the workshop of fluid food products, then on filling machine, peelable adhesive tape 12 pasted on packing timber 11, Can not be complete as in figure 2 it is shown, often have between the surface pasted mutually of the two edges 21,22 of peelable adhesive tape 12 and packing timber 11 The risk of hermetically sealed stickup, and triangle space 10 can be formed at step, food liquid can enter between poorly sealed surface Entering this triangle space 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 Impurity in base 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 the packing container that a kind of laminate wrapping material manufactures, without extra There is provided peelable adhesive tape, it is ensured that packing container clinch forms sealing reliably, makes the end at edge at the step of clinch Paper base material both will not by food liquid soak also will not contaminated food products, ensure food safety, and production cost be low.
For solving above-mentioned technical problem, the present invention provides the packing container that a kind of laminate wrapping material manufactures, has and take Meeting portion and seal the band pasting this clinch, this laminate wrapping material includes thermoplastic outermost layer, paper substrate sheet material layers, thermoplastic Property material innermost layer, this laminate wrapping material has the first and second vertical side of the edge, follow the steps below formation described overlap joint Portion:
A, the thermoplastic outermost layer of described first vertical side of the edge is overlapped on the thermoplasticity of described second vertical side of the edge The described clinch that material innermost layer is formed;
B, heat this clinch, make the thermoplastic outermost layer of the first vertical side of the edge, the thermoplasticity of the second vertical side of the edge Material innermost layer has viscosity;
C, extrude this clinch, make the thermoplastic outermost layer of described first vertical side of the edge seal and be pasted onto this second longitudinally On the thermoplastic innermost layer of lateral edges;
D, by molten thermoplastic extrude in the end of described first vertical side of the edge;
E, extrude and cool down this molten thermoplastic and form described band, make this band seal and be pasted onto this first longitudinal side The end of edge.
As a modification of the present invention, in described step d, the thermoplastic of described extrusion lamination uses with described The material that thermoplastic innermost layer is similar.
As a further improvement on the present invention, in described step d, described thermoplastic uses and described thermoplasticity material The material that material innermost layer is identical.
As a further improvement on the present invention, in described step d, described molten thermoplastic is expressed into institute with column State the end of the first vertical side of the edge.
As a further improvement on the present invention, in described step e, described molten thermoplastic be squeezed formed bar Band extends to direction, both sides from described end respectively and is pasted onto the thermoplastic innermost layer of the first and second vertical side of the edge On.
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 uses hot-air or high frequency to add Heat.
As a further improvement on the present invention, in step c, e, described fashion of extrusion uses roll-in mode to pressurize.
As a further improvement on the present invention, described laminate wrapping material is by multiple packaging units continuously coupled one of head and the tail Broadband shape, 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.
The present invention compared with prior art, owing to the band formed of taking to be squeezed molten thermoplastic is respectively from institute State end extend to direction, both sides and be pasted onto on the thermoplastic innermost layer of the first and second vertical side of the edge, make this band Seal the end being pasted onto this first vertical side of the edge;Guarantee that the end of the first vertical side of the edge is melted thermoplastic and covers Lid, after extruding cooling, packing container clinch forms sealing reliably, makes the paper base material of the end at edge at the step of clinch Both will not by food liquid soak also will not contaminated food products, ensure food safety, and production cost be 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 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 the first vertical side of the edge 21 and second of mutually overlap joint formation packing container clinch to be indulged To lateral edges 22, during laminate wrapping material is formed packing container, the outermost layer of the first vertical side of the edge 21 is overlapped Paste the clinch forming packing container on the innermost layer of the second vertical side of the edge 22.
Fig. 3 illustrate present invention laminate wrapping material manufacture packing container method, with signal prior art Fig. 1 not With, the step of peelable for existing patch adhesive tape 12 is omitted, after clinch is formed, extrusion molten thermoplastic is sealed again Close the end of 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 second longitudinal side The clinch that the thermoplastic innermost layer 61 at edge 22 is formed;
B, heat this clinch, make thermoplastic outermost layer 66, second vertical side of the edge 22 of the first vertical side of the edge 21 Thermoplastic innermost layer 61 has viscosity;
C, employing roll-in mode extrude this clinch, make the thermoplastic outermost layer of the first vertical side of the edge 21 seal and are 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 the first vertical side of the edge 21 Thermoplastic innermost layer side is extruded on the end of the first vertical side of the edge 21, being shaped as of extrusion molten thermoplastic 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 effect that the end that can reach the first vertical side of the edge 21 fully seals, so can guarantee that molten thermoplastic plastics Bonding force with thermoplastic innermost layer.
Certainly, molten thermoplastic can also use the material similar with thermoplastic innermost layer, such as, thermoplasticity When material innermost layer selects MLLDPE, molten thermoplastic can select the polythene material that LLDPE, LDPE etc. are similar, also Reasonable sticking effect can be played.
E, employing roll-in mode extrude and cool down this molten thermoplastic and form band 25, make this band seal and are pasted onto The end of this first vertical side of the edge 21, and molten thermoplastic be squeezed formed band 25 from end to described lamination The direction, middle part of packaging material extends and is pasted onto on the thermoplastic innermost layer of the first vertical side of the edge 21;Simultaneously to away from The direction, middle part of described laminate wrapping material extends and is pasted onto the thermoplastic of the second vertical side of the edge 22 in step e On internal layer, the width of the thermoplastic innermost layer part that band 25 is pasted onto on this first vertical side of the edge 21 can be 0.2- 20mm;The width of the part being pasted onto on the thermoplastic innermost layer of the second vertical side of the edge 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, the first vertical side of the edge 21 End is by band 25 tight seal, and this band also extends to the first and second vertical side of the edge and is closely pasted onto thermoplastic On innermost layer, it is further ensured that the end of the first vertical side of the edge 21, will not be with the Food Contact in container by tight seal.
The laminate wrapping material that can manufacture packing container in aforementioned manners can be as shown in fig. 1 by multiple packaging units The broadband shape of the most continuously coupled one, it is also possible to be the lamellar of individual packaging unit, their difference be the feed of early stage, after The filling formation step of phase is had any different, and these steps are the known approaches of those skilled in the art.

Claims (10)

1. the packing container manufactured with laminate wrapping material, has clinch and seals the band pasting this clinch, should Laminate wrapping material includes thermoplastic outermost layer, paper substrate sheet material layers, thermoplastic innermost layer, and this laminate wrapping material has First and second vertical side of the edge, follow the steps below and form described clinch:
A, the thermoplastic outermost layer of described first vertical side of the edge is overlapped on the thermoplasticity of described second vertical side of the edge The described clinch that material innermost layer is formed;
B, heat this clinch, make the thermoplastic outermost layer of the first vertical side of the edge, the thermoplasticity of the second vertical side of the edge Material innermost layer has viscosity;
C, extrude this clinch, make the thermoplastic outermost layer of described first vertical side of the edge seal and be pasted onto this second longitudinally On the thermoplastic innermost layer of lateral edges;
D, by molten thermoplastic extrude in the end of described first vertical side of the edge;
E, extrude and cool down this molten thermoplastic and form described band, make this band seal and be pasted onto this first longitudinal side The end of edge.
The packing container that a kind of laminate wrapping material the most according to claim 1 manufactures, it is characterised in that: in described step In rapid d, described molten thermoplastic uses the material similar with described thermoplastic innermost layer.
The packing container that a kind of laminate wrapping material the most according to claim 1 manufactures, it is characterised in that: in described step In rapid d, described molten thermoplastic uses the material identical with described thermoplastic innermost layer.
The packing container that a kind of laminate wrapping material the most according to claim 1 manufactures, it is characterised in that: in described step In rapid d, described molten thermoplastic is expressed into the end of described first vertical side of the edge with column.
The packing container that a kind of laminate wrapping material the most according to claim 4 manufactures, it is characterised in that: in described step In rapid e, the described molten thermoplastic band formed that is squeezed extends to direction, both sides from described end respectively and is pasted onto On the thermoplastic innermost layer of the first and second vertical side of the edge.
The packing container that a kind of laminate wrapping material the most according to claim 5 manufactures, it is characterised in that: described band The width being pasted onto on this first vertical side of the edge is 0.2-20mm;Described band is pasted onto the width on this first vertical side of the edge Degree is 0.2-20mm.
The packing container that a kind of laminate wrapping material the most according to claim 1 manufactures, it is characterised in that: in step b In, this clinch of described heating uses hot-air or high-frequency heating.
A kind of laminate wrapping material the most according to claim 1 manufacture packing container, it is characterised in that: step c, In e, described fashion of extrusion uses roll-in mode to pressurize.
The packing container that a kind of laminate wrapping material the most according to any one of claim 1 to 8 manufactures, its feature exists In: described laminate wrapping material is by the broadband shape of multiple packaging units continuously coupled one of head and the tail, or described laminate packaging Material is the lamellar of individual packaging unit.
The packing container that a kind of laminate wrapping material the most according to any one of claim 1 to 8 manufactures, its feature It is: described step a and step b are exchanged.
CN201610577539.2A 2016-07-21 2016-07-21 The packing container that a kind of laminate wrapping material manufactures Pending CN106184925A (en)

Priority Applications (1)

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CN201610577539.2A CN106184925A (en) 2016-07-21 2016-07-21 The packing container that a kind of laminate wrapping material manufactures

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Application Number Priority Date Filing Date Title
CN201610577539.2A CN106184925A (en) 2016-07-21 2016-07-21 The packing container that a kind of laminate wrapping material manufactures

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108016725A (en) * 2017-12-22 2018-05-11 江苏仅联合智造有限公司 Side envelope plane overlap joint packaging bag

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0204137A2 (en) * 1985-06-04 1986-12-10 Tetra Laval Holdings & Finance SA Method for making a liquid package with edge protection and device for carrying out this method
CN1267255A (en) * 1997-08-13 2000-09-20 泰托拉兰沃控股和信贷公司 Wrapping material processor and process for mfg. packing container
CN1440352A (en) * 2000-05-08 2003-09-03 利乐拉瓦尔集团及财务有限公司 Method fo producing packing material
CN1970391A (en) * 2006-12-05 2007-05-30 山东泉林包装有限公司 Packing container and its blank
EP2133279A1 (en) * 1999-01-27 2009-12-16 Tetra Laval Holdings & Finance SA Laminated packaging material for paper container
CN102249020A (en) * 2011-03-25 2011-11-23 黄志启 Method for manufacturing packaging container by using laminated packaging material
CN102249019A (en) * 2011-03-25 2011-11-23 黄志启 Method for manufacturing packing container by using laminated packing material
CN102303426A (en) * 2011-03-25 2012-01-04 黄志启 Method for manufacturing packing container by using multiplayer packing material

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP0204137A2 (en) * 1985-06-04 1986-12-10 Tetra Laval Holdings & Finance SA Method for making a liquid package with edge protection and device for carrying out this method
CN1267255A (en) * 1997-08-13 2000-09-20 泰托拉兰沃控股和信贷公司 Wrapping material processor and process for mfg. packing container
EP2133279A1 (en) * 1999-01-27 2009-12-16 Tetra Laval Holdings & Finance SA Laminated packaging material for paper container
CN1440352A (en) * 2000-05-08 2003-09-03 利乐拉瓦尔集团及财务有限公司 Method fo producing packing material
CN1970391A (en) * 2006-12-05 2007-05-30 山东泉林包装有限公司 Packing container and its blank
CN102249020A (en) * 2011-03-25 2011-11-23 黄志启 Method for manufacturing packaging container by using laminated packaging material
CN102249019A (en) * 2011-03-25 2011-11-23 黄志启 Method for manufacturing packing container by using laminated packing material
CN102303426A (en) * 2011-03-25 2012-01-04 黄志启 Method for manufacturing packing container by using multiplayer packing material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108016725A (en) * 2017-12-22 2018-05-11 江苏仅联合智造有限公司 Side envelope plane overlap joint packaging bag

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