CN102874452A - Self-fastening film-coated veneer food-packing sheet and production process thereof - Google Patents
Self-fastening film-coated veneer food-packing sheet and production process thereof Download PDFInfo
- Publication number
- CN102874452A CN102874452A CN2012103802113A CN201210380211A CN102874452A CN 102874452 A CN102874452 A CN 102874452A CN 2012103802113 A CN2012103802113 A CN 2012103802113A CN 201210380211 A CN201210380211 A CN 201210380211A CN 102874452 A CN102874452 A CN 102874452A
- Authority
- CN
- China
- Prior art keywords
- overlay film
- fastening
- button
- line
- button limit
- 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.)
- Granted
Links
Images
Landscapes
- Wrappers (AREA)
Abstract
The invention discloses a self-fastening film-coated veneer food-packing sheet and a production process thereof. The self-fastening film-coated veneer food-packing sheet comprises a base, first fastening edges and second fastening edges, wherein the first and second fastening edges are integrated with the base. Each of the base, the first fastening edges and the second fastening edges is provided with a first film layer. A first crease is arranged between each first fastening edge and the base. A second crease is arranged between each second fastening edge and the base. Each first fastening edge is provided with fastening slits, and each second fastening edge is provided with fastening tongues. A film gap is arranged between each first fastening edge and the corresponding second fastening edge, and the apex of the film gap locates at the intersection of the corresponding first crease and the corresponding second crease. A fastening angle for mutual fastening of one first fastening edge and the corresponding second fastening edge is formed between a connecting line, between the corresponding fastening tongue and the apex of the corresponding film gap, and a connecting line, between the corresponding fastening slit and the apex of the corresponding film gap. The angle of each film gap is half of that of the fastening angle. Each film gap is provided with a second film layer. The packing sheet in the sheet shape is waterproof, available for minimal airtight packaging, available for large-scale industrial flow production, and convenient to recover.
Description
Technical field
The present invention relates to a kind of food product packets load and production technology, belong to wood working industry, natural veneer packaging for foodstuff field.
Background technology
The main material of well-known packaging for foodstuff both domestic and external is paper and plastics or composite paper-plastic material.Usage ratio approximately respectively accounts for half, the output value about 30,000,000,000 of domestic food packing.The raw MAT'L of common plastics is non-renewable ore deposit class resource, and the raw MAT'L of food stage packing paperboard is reproducible timber resources.But the wood fiber pulping and paper-making, one ton of paper of every production needs to consume timber 2.5 cubic meters, water consumption 100-200 cubic meter, power consumption 2000-2500 kilowatt hour, consumption coal 300-400 kilogram, hundreds of kilograms of caustic soda are discharged large amount of sewage and waste gas simultaneously.So always papermaking is called as: " big power consumer, water consumption rich and influential family, blowdown rich and influential family ".
People's purpose is the production packaging for foodstuff, why must pass through this process of papermaking? at present people have obtained certain success, but can not reach all the time desirable cost performance effect constantly making great efforts directly to use aspect its primary manufacture of materials packaging for foodstuff.
According to the eating habit of China, packaging for foodstuff generally needs waterproof.Common waterproof sheet has overlay film paperboard and a small amount of overlay film wood chip, material structure is the structural strength that one deck Structural layer (paperboard, wood chip or multilayer material composite) provides material, and another one functional layer (resin molding) provides the waterproof of material, antiseized, the anti-safety and sanitation resistance to elevated temperatures that blends.Three-dimensional waterproof has dual mode to realize, a kind of is to adopt whole limit bonding, and three-dimensional waterproof adopts foldable integral to realize.But nearly three layers of overlappings, it is folding non-leakage that this just requires coating card paper to resist.The overlay film paperboard must adopt the multilayer paper compound, and this material softness is high but intensity is low, complex manufacturing, cost are large.Another kind is the three-dimensional waterproof of the bonding realization of corner cut, but the waterproof at angle is difficult, generally adopts angle partial folds and the leak stopping of angle point glue to realize three-dimensional waterproof.Common overlay film wood skin intensity is large but glue bond is cut in the waterproof employing, and the glue leak stopping also will be put in the angle.Such manufacture of materials watertight packing complex process, efficient are low.Be not difficult to find out their material structure, Structural layer and functional layer are not to cut simultaneously exactly not cut simultaneously.Certainly lead to the three-dimensional production of identical production technology, volumetric packaging, three-dimensional transportation, the three-dimensional use.The inevitable recruitment of this technique is many, investment is large, efficient is low, cost is high, large-scale industrial production is difficult.
For the purpose of environmental contamination reduction, it is natural that people wish a kind of packaging material for food, can remove highly energy-consuming, high water consumption, high pollution, expensive paper-making process from.
Keep simultaneously good water-proof function in order to improve strength of material, people wish that the Structural layer of this material and functional layer can the layering processing.Maintenance intensity while solid is amounted to, self-clinching is convenient but Structural layer corner cut and hemisection folding line reach, and the whole overlay film of functional layer reaches waterproof, antiseized, the anti-safety and sanitation resistance to elevated temperatures that blends.
For can large-scale industrial production, people wish that this technique removes the single solid production of single mode from, and the plane that reaches plane overlay film, cross cutting produces several or tens products of a mould and once finishes.Stereo shaping is finished by the client, and product tangent line design science is reasonable, and the client is easy to use, from buckle forming.
(food containers of catering trade leaves disinfection cabinet or sealed package, must finish using at 2 hours in the exposed air, overtimely again disinfects for the regulation of using in limited time that reaches American-European catering trade food containers.), people wish this product small amount sealed package, reach the use hygienic requirements comprehensively.
In order to keep European countries' baking bread to require simultaneously bread can not be bonded at the tub inwall with the tradition (bread that tub cures has special banksia rose flavor) of tub, people wish that this product is with covering complete antiadhesion barrier in the thick wood chip box processed.Namely keep traditional properties to take again conveniently.
In order to reduce the long-distance transport cost, people wish that this product minimizes packing, increases substantially transport capacity.
For the comprehensive application of resource, people wish to reclaim convenient, comprehensive application after this product uses.
Summary of the invention
Technical matters to be solved by this invention is for above-mentioned the deficiencies in the prior art, but and provide that a kind of technique is simple, tooling cost and traffic cost is low and reclaim easily overlay film wood rind food package panel and the production technology of self-clinching.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
But a kind of overlay film of self-clinching wood rind food package panel, comprise matrix and be arranged on the matrix and detain the limit with matrix all-in-one-piece the first button limit and second, at described matrix, be provided with the first coating layer on the first button limit and the second button limit, between the first button limit and matrix, the first fold curved line is set, between the second button limit and matrix, the second bending line is set, be provided with the button seam on the first button limit, be provided with the button tongue on the second button limit, it is characterized in that: between the first button limit and the second button limit, the overlay film mouth is set, the summit of this overlay film mouth is on the intersection point of described first fold curved line and the second bending line, form the fastening angle that the first button limit and the second button limit fasten mutually between the line on the line on described button tongue and overlay film mouth summit and described button seam and overlay film mouth summit, the angle of described overlay film mouth is half of described fastening angle, is provided with one second coating layer at described overlay film mouth.
The first coating layer is less than or equal to the length on the button limit that length is less the first button limit and the second button limit from cutting the outside length in overlay film summit.
Described the second coating layer extends inwardly to whole matrix.
But the production technology of a kind of overlay film of self-clinching wood rind food package panel, it is characterized in that: step is as follows:
The first step, log section: slicing thickness is the 0.4-0.8 millimeter, and is cut into the strip section;
Second step, dry: the aqueous ingredients of control section is at 15-18%;
The 3rd step, overlay film for the first time: overlay film temperature 50-80 degree, overlay film pressure 8-12 MPa;
The 4th step, cross cutting for the first time: cut out outline line and the overlay film mouth on the first button limit or the second button limit in the both sides of strip slice width direction, extrude first fold curved line, the second bending line; Pressure 1-2 MPa;
The 5th step, overlay film for the second time: from the overlay film mouth for the second time overlay film line outwards is set, overlay film again in second time overlay film line, overlay film temperature 50-80 degree, overlay film pressure 8-12 MPa.
The 6th step, cross cutting for the first time: the semi-finished length direction behind the secondary overlay film cuts out the outline line on another button limit, cross cutting pressure 1-2 MPa.
The Structural layer of food product packets load of the present invention and function (waterproof) layer can be processed in layering, Structural layer can corner cut, keeping not injured surface overlay film of intensity while folding convenient, waterproof layer must be the complete water resistance of guaranteeing, takes full advantage of simultaneously the natural characteristic plane overlay film of material, shrink-packaging, makes things convenient for from buckle forming, recovery.
The comprehensive parameters contrast (table 1) of common various food stage packing
To sum up analyze; From the angle of material property, overlay film wood rind food package panel anisotropy, paper, plastics isotropy.From the angle of environmental protection, the overlay film wood chip is first-selected.From the angle in market, low-intensity food stage packing (paper 200 gram, plastics are below 20) on the contrary order is plastics, overlay film paperboard, wood pulp paperboard, overlay film wood chip reversed in order.The overlay film wood chip has superiority aspect high-intensity packing.
The present invention is sheet for the structure of packing box, and production and transport is convenient, and the while by overlay film mouth and overlay film are set, folds the rear problem of putting the glue waterproof thereby solved present needs on sheet, all is the significant improvement to prior art on structure and on the technique.
Compared with prior art, the present invention has following beneficial effect:
1, this production technology selection is natural, produces full physical process, not water consumption, nothing discharging, pollution-free.
2, this production technology energy consumption is low, just papermaking energy consumption 15-20%.
3, the packaging material for food intensity of this production technology production is high, is several times of equal grammes per square metre paperboard.
4, this production technology is processed Structural layer and waterproof layer layering, can produce by the heavy industrialization conveyor line.
5, this product is that health is conveniently stored, guaranteed to use to small amount pyrocondensation sealed package.
6, this product is for minimizing the packaged convenience storage, reducing traffic cost.
7, this product uses for client's self-clinching, and tangent line design science is rationally used quick and convenient.
8, this Product Green environmental protection, recovery make things convenient for, the wide application market outlook are open.The large scale community application, green is left the offspring for, and the benefit profit is instantly.
Description of drawings
Fig. 1 is package panel Structural layer schematic diagram of the present invention;
Fig. 2 is package panel product figure of the present invention;
Fig. 3 is part waterproof overlay film wood rind food package panel constructional drawing;
Fig. 4 is the enlarged diagram of Fig. 3 overlay film mouth;
Fig. 5 is part waterproof overlay film Chip Production flow scheme;
Fig. 6 is product schematic diagram behind cross cutting of Fig. 5;
Fig. 7 is product schematic diagram behind Fig. 5 secondary overlay film;
Fig. 8 is product schematic diagram behind Fig. 5 secondary die cutting;
Fig. 9 is product schematic diagram behind Fig. 5 shrink-packaging;
Figure 10 is product schematic diagram behind the full waterproof overlay film wood chip secondary overlay film.
Figure 11 is the package panel constructional drawing of the embodiment of the invention three soup boxes.
1, resin film layer, 2, adhesive phase, 3, the wood chip layer, 4, Structural layer, 5, functional layer, 6, secondary overlay film sideline, 7, wood fiber analysis, 8, the exterior angle, 9, interior angle, 10, self-clinching seam, 11, die cut lines for the first time, 12, the secondary die cutting line, 13, self-clinching tongue, the 14, first button limit, the 15, second button limit, 16, first fold curved line, the 17, second bending line, 18, the overlay film mouth.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated:
In whole overlay film wood rind food package panel design process, consider as a system engineering from materials selection, sheet structure, product design, processing arrangement, recycling, from natural raise wood all linked with one another to each link of recycling, leave foreshadowing wherein energy-saving and emission-reduction, comprehensive application, economize on resources and run through wherein.
Materials are selected;
Structural materials selects that the savings amount is large, to get convenience, low price, pure white tasteless fast-growing woods (such as poplar, the paulownia etc.) veneer that reaches food stage be packaging for foodstuff ideal framework material.There are 8,000,000 hectares of fast-growing woods in China, occupies the first in the world.Waterproof material is selected degradable resin film (such as PE, PLA etc.), and the compound of structural materials and waterproof material is a kind of desirable high performance-price ratio packing, not only environmentally-friendly sanitary but also intensity while grease-proof and waterproof well.
The Structural layer structure;
Structural layer is three layers or five-layer structure, namely covers the first tunic at natural veneer skin single or double by adhesive agent, referring to Fig. 1, is five-layer structure.Properties generation fundamental change behind the wooden leather belly film that is very easy to ftracture.
Product structure;
The structure of package panel of the present invention is three-decker, sees Fig. 2, namely covers the second tunic by lining cement on the basis of Structural layer.Structural layer can be the complex of individual layer or multilayer material.Functional layer can waterproof, the resin molding of antiseized, antiseepage.
Product design;
Part waterproof overlay film wood rind food package panel (Fig. 3) is example (Fig. 3).Can extensively be applied in band juice packaging for foodstuff such as fast food, pot-stewed meat or fowl, snack etc.
1, the design of profile, this packing requirements opening is large, part waterproof, intensity want height generally to be designed to the bucket type.
2, fasten the design of angle and overlay film angle (dotted line), fasten the angle and refer to the angle of overlay film wood rind food package panel under the plane, the existence of this angle is so that the first button limit can fasten when detaining edge contraction with second mutually.The overlay film angle is the angle of overlay film mouth correspondence, and wherein overlay film angle=1/2 fastens the angle and guarantees that constantly the first button limit is smooth with fastening rear surface, the second button limit.If the overlay film angle fastens the angle greater than 1/2, the film of inside, overlay film angle is lax after then fastening, if the overlay film angle fastens the angle less than 1/2, then film is tight, can't self-clinching behind the fastening, and self-clinching easily pulls open film by force.
3, for the first time cross cutting (solid line) and secondary die cutting line (three long and short dash lines), cross cutting is to cut Structural layer for the first time, secondary die cutting is incision Structural layer and functional layer.For the first time die cut lines outside the secondary die cutting line interior and stay error log.
4, the anisotropic characteristics of overlay film wood rind food package panel are considered in the design of self-clinching tongue and self-clinching seam, and the self-clinching tongue must design elasticity and the warping resistance effort that can improve the self-clinching tongue along machine direction.Be that the little self-clinching tongue of large root middle part width can't withdraw from certain auto-lock function behind the self-clinching seam greater than self-clinching seam width 1-2 millimeter in the snakehead type head circle when the self-clinching tongue inserts by force.The self-clinching seam can design easy machine direction in office, is U-shaped.The self-clinching seam splits from Width when making the self-clinching seam be subjected to force direction and self-clinching seaming and cutting mouth perpendicular direction to prevent the insertion of self-clinching tongue.
5, the design of secondary overlay film sideline (dotted line); Consider the hierarchical design characteristics of overlay film wood rind food package panel, for the first time the cross cutting figure must design consider secondary overlay film with position, sideline overlay film and offset distance.
6, the design of bending line impression (long and short dash line); Consider the anisotropic characteristics of overlay film wood rind food package panel, do not designing the impression bending line along machine direction, by overlay film wood rind food package panel natural torsion, at contrary machine direction design impression bending line.
7, the anisotropic characteristics of overlay film wood rind food package panel are considered in the design at box angle, stress dispersion arc of interior angle design, and suitable machine direction is along stress dispersion arc natural torsion when turn up horizontal side.Boss along machine direction of exterior angle design, longitudinal fiber direction broken line bight is not easy to damage functional membrane when longitudinal side is turned up.
7, self-clinching waterproofing design; Package panel is turned up self-clinching, and dotted line is theoretical water-proof wire, the water height approximately be box high 2/3, belong to part waterproof overlay film wood rind food package panel.
Processing arrangement;
The technological process of part waterproof overlay film Chip Production: 1, log slicing → 2, cut airing → 3, overlay film cut → 4, polychrome printing → 5, cross cutting → 6, secondary overlay film → 7, secondary die cutting → 8, shrink-packaging → 9, self-clinching use for the first time
Recycle;
Overlay film wood rind food packing all adopts natural quality matetrial manufacturing, wherein wood fiber 48-50%, lignin 40-45%, degradable resin 2-5%.
1, hot pressing making sheet; Retrieve that overlay film wood rind food packing only needs simple crushing, mats formation, hot pressing just can be produced high strength, the zero formaldehyde fast-growing woods plank of high-quality, becomes the ideal material of house ornamentation, furniture production.Production process need not adhesives, and the degradable resin film of wooden epidermis face is exactly desirable adhesives.
2, combustion power generation; The overlay film wood rind food packing that reclaims is combustion power generation directly, and cal val is greatly about 4500-4800 kilocalorie/ton
3, the overlay film of biogas, recovery wood rind food packing only needs to pulverize gas processed, makes large-minded about the 240-250 cubic meter. and/ton, take the material composting.
Embodiment one: part waterproof overlay film Chip Production
The production technology of wood chip is as shown in Figure 5: 5.1, log slicing, and 5.2, cut airing, 5. 3, overlay film cuts, 5.4, polychrome printing, 5.5, cross cutting for the first time, 5.6, the secondary overlay film, 5.7, secondary die cutting, 5.8, the shrink-packaging, 5.9, self-clinching uses.
1, log slicing: select the poplar stage casing of improved seeds, carry disconnected length 2600, get the skin slicing, slicing thickness 0.4-0.8 millimeter.
2, cut airing: the wooden skin sanction that slicing is got off is 2500 * 650 airings, and the control aqueous ingredients is at 15-18%.
3, overlay film is cut: airing wood skin is put into the hydraulic pressure film layer, and film uses pre-coating film (hot melt adhesive and film coat in advance).Overlay film temperature 50-80 degree, overlay film pressure 8-12 MPa.Divide behind the overlay film and be cut to 850 * 650.
4, polychrome printing: 850 * 650 overlay film wood chips are put into printer printing, and printing ink adopts the food stage environment-friendly ink.
5, cross cutting for the first time: 850 * 650 printing overlay film wood chips are put into indentation die-cutting machine carry out indentation die-cutting pressure 1-2 MPa.
6, secondary overlay film: the half-blank behind the indentation die-cutting is put into the bar shaped film layer carry out the bar shaped overlay film, overlay film temperature 50-60 degree, overlay film pressure 3-5 MPa.
7, secondary die cutting: the half-blank behind the secondary overlay film is put into the bar shaped mould cutting machine carry out the bar shaped cross cutting, cross cutting pressure 1-2 MPa.
8, shrink-packaging: carry out the PE shrink-packaging with 100 of finished products behind the secondary die cutting are overlapping.Pyrocondensation temperature 150 degree
9, self-clinching uses: when the client turns up self-clinching according to description of operation, dotted line is theoretical water-proof wire, the water height approximately be box high 2/3, belong to part waterproof overlay film wood rind food package panel.
Embodiment two; Full waterproof overlay film Chip Production
1, log slicing: select the poplar stage casing of improved seeds, carry disconnected length 2600, get the skin slicing, slicing thickness 0.4-0.8 millimeter.
2, cut airing: the wooden skin sanction that slicing is got off is the 2500*650 airing, and the control aqueous ingredients is at 15-18%.
3, overlay film is cut: airing wood skin is put into the hydraulic pressure film layer, and film uses pre-coating film (hot melt adhesive and film coat in advance).Overlay film temperature 50-80 degree, overlay film pressure 8-12 MPa.Divide behind the overlay film and be cut to 850*650.
4, polychrome printing: 850*650 overlay film wood chip is put into printer printing, and printing ink adopts the food stage environment-friendly ink.
5, cross cutting for the first time: 850*650 is printed the overlay film wood chip put into indentation die-cutting machine and carry out indentation die-cutting pressure 1-2 MPa.
6, secondary overlay film: the half-blank behind the indentation die-cutting is put into the bar shaped film layer carry out the bar shaped overlay film, overlay film temperature 50-60 degree, overlay film pressure 3-5 MPa, product was as shown in figure 10 after overlay film was finished.
7, secondary die cutting: the half-blank behind the secondary overlay film is put into the bar shaped mould cutting machine carry out the bar shaped cross cutting, cross cutting pressure 1-2 MPa.
8, shrink-packaging: carry out the PE shrink-packaging with 100 of finished products behind the secondary die cutting are overlapping.Pyrocondensation temperature 150 degree
9, self-clinching uses: when the client turns up self-clinching according to description of operation, dotted line is theoretical water-proof wire, and the water height belongs to full waterproof overlay film wood rind food package panel greater than actual height.
Embodiment three soup boxes
Referring to Figure 11, packing requirements: environmentally-friendly sanitary, reliable, the whole leakproof of sound construction belong to the soup packaging for foodstuff.
Fluid or the semifluid packaging for foodstuff technological process of production are identical with embodiment one.
Log section: select high-quality fast-growing woods (such as poplar, paulownia etc.), use the wood working machinery section.
Two-sided overlay film: the veneer sheet material of processing is carried out two-sided overlay film.
Printing: by surface printing literal and the trade mark of customer requirement at overlay film veneer sheet material.
Cross cutting: carry out the cross cutting impression by designing requirement.Secondary overlay film cross cutting: carry out single face strip overlay film (bar covers) by dotted line, carry out cross cutting by long and short dash line.
Packed and transported: take some as unit, with packing rope or packing film packed and transported.
Use: press the folding use of description of product client.Long and two-short dash line is that maximum water level is higher than the minimum bead of box body, so box body is complete waterproof.
Recycle; Hot pressing making sheet, combustion power generation, biogas.
Claims (5)
1. but the overlay film of self-clinching wood rind food package panel, comprise matrix and be arranged on the matrix and detain the limit with matrix all-in-one-piece the first button limit and second, at described matrix, be provided with the first coating layer on the first button limit and the second button limit, between the first button limit and matrix, the first fold curved line is set, between the second button limit and matrix, the second bending line is set, be provided with the button seam on the first button limit, be provided with the button tongue on the second button limit, it is characterized in that: between the first button limit and the second button limit, the overlay film mouth is set, the summit of this overlay film mouth is on the intersection point of described first fold curved line and the second bending line, form the fastening angle that the first button limit and the second button limit fasten mutually between the line on the line on described button tongue and overlay film mouth summit and described button seam and overlay film mouth summit, the angle of described overlay film mouth is half of described fastening angle, is provided with one second coating layer at described overlay film mouth.
2. but the overlay film of self-clinching according to claim 1 wood rind food package panel, it is characterized in that: the first coating layer is less than or equal to the length on the button limit that length is less the first button limit and the second button limit from cutting the outside length in overlay film summit.
3. but the overlay film of self-clinching according to claim 1 wood rind food package panel, it is characterized in that: described the second coating layer extends inwardly to whole matrix.
But 4. the production technology of the overlay film of a self-clinching as claimed in claim 1 wood rind food package panel, it is characterized in that: step is as follows:
The first step, log section: slicing thickness is the 0.4-0.8 millimeter;
Second step, dry: the aqueous ingredients of control section is at 15-18%;
The 3rd step, overlay film for the first time: overlay film temperature 50-80 degree, overlay film pressure 8-12 MPa;
The 4th step, cross cutting for the first time: cut out the first button cincture profile, the second button cincture profile and overlay film mouth, extrude first fold curved line, the second bending line; Pressure 1-2 MPa;
The 5th step, overlay film for the second time: from the overlay film mouth for the second time overlay film line outwards is set, overlay film again in second time overlay film line, overlay film temperature 50-80 degree, overlay film pressure 8-12 MPa.
But 5. the production technology of the overlay film of a self-clinching as claimed in claim 1 wood rind food package panel, it is characterized in that: step is as follows:
The first step, log section: slicing thickness is the 0.4-0.8 millimeter, and is cut into the strip section;
Second step, dry: the aqueous ingredients of control section is at 15-18%;
The 3rd step, overlay film for the first time: overlay film temperature 50-80 degree, overlay film pressure 8-12 MPa;
The 4th step, cross cutting for the first time: cut out outline line and the overlay film mouth on the first button limit or the second button limit in the both sides of strip slice width direction, extrude first fold curved line, the second bending line; Pressure 1-2 MPa;
The 5th step, overlay film for the second time: from the overlay film mouth for the second time overlay film line outwards is set, overlay film again in second time overlay film line, overlay film temperature 50-80 degree, overlay film pressure 8-12 MPa;
The 6th step, cross cutting for the first time: the semi-finished length direction behind the secondary overlay film cuts out the outline line on another button limit, cross cutting pressure 1-2 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380211.3A CN102874452B (en) | 2012-10-09 | 2012-10-09 | Self-fastening film-coated veneer food-packing sheet and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210380211.3A CN102874452B (en) | 2012-10-09 | 2012-10-09 | Self-fastening film-coated veneer food-packing sheet and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102874452A true CN102874452A (en) | 2013-01-16 |
| CN102874452B CN102874452B (en) | 2014-12-31 |
Family
ID=47476025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210380211.3A Active CN102874452B (en) | 2012-10-09 | 2012-10-09 | Self-fastening film-coated veneer food-packing sheet and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102874452B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873119A (en) * | 2020-07-21 | 2020-11-03 | 北京永华晴天科技发展有限公司 | Tray and processing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1680661A (en) * | 1926-03-04 | 1928-08-14 | Alexander N Rosenbaum | Double lock box |
| GB1163521A (en) * | 1966-03-30 | 1969-09-10 | Alperton Carton Company Ltd | Improvements in and relating to Cartons |
| US3908889A (en) * | 1971-06-18 | 1975-09-30 | Paul Vjecsner | Corner lock for paperboard containers |
| FR2806701A1 (en) * | 2000-03-21 | 2001-09-28 | Emin Leydier | Folded container and blank has rectangular base panel with folded side-walls and flaps which have tab and slot connections with folded bellows section |
| CN2520288Y (en) * | 2002-01-09 | 2002-11-13 | 蒋先志 | Disposable food veneer container |
| CN201183640Y (en) * | 2008-01-14 | 2009-01-21 | 景台科技股份有限公司 | Layered structure of food container |
-
2012
- 2012-10-09 CN CN201210380211.3A patent/CN102874452B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1680661A (en) * | 1926-03-04 | 1928-08-14 | Alexander N Rosenbaum | Double lock box |
| GB1163521A (en) * | 1966-03-30 | 1969-09-10 | Alperton Carton Company Ltd | Improvements in and relating to Cartons |
| US3908889A (en) * | 1971-06-18 | 1975-09-30 | Paul Vjecsner | Corner lock for paperboard containers |
| FR2806701A1 (en) * | 2000-03-21 | 2001-09-28 | Emin Leydier | Folded container and blank has rectangular base panel with folded side-walls and flaps which have tab and slot connections with folded bellows section |
| CN2520288Y (en) * | 2002-01-09 | 2002-11-13 | 蒋先志 | Disposable food veneer container |
| CN201183640Y (en) * | 2008-01-14 | 2009-01-21 | 景台科技股份有限公司 | Layered structure of food container |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873119A (en) * | 2020-07-21 | 2020-11-03 | 北京永华晴天科技发展有限公司 | Tray and processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102874452B (en) | 2014-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102888774B (en) | Technology for preparing paper packaging material from recycled waste paper | |
| CN202368021U (en) | Multilayer compound food package film bag | |
| CN102874452B (en) | Self-fastening film-coated veneer food-packing sheet and production process thereof | |
| CN103395227B (en) | The manufacture method of organ zippered bag and the organ zippered bag of manufacture thereof | |
| CN201468896U (en) | Bamboo splint laminated different-interface flat clamp plate clothes hanger | |
| CN102886799B (en) | Process for preparing bamboo rib reinforced composite packaging material by utilizing waste paper and bamboo | |
| CN106379032A (en) | Production process for high-strength corrugated board | |
| CN202670245U (en) | Anti-fake package box | |
| CN203033156U (en) | Laminating wood chip food packaging piece | |
| CN102493248A (en) | Method for producing regenerated kraft paper by using waste paper aluminium plastic composite packing materials | |
| CN201165376Y (en) | High-strength double-layer special shaped corrugated cardboard box | |
| CN202879932U (en) | Folding film-mulching wood-chip food packaging sheet | |
| CN202368023U (en) | Corrugated board | |
| CN205172347U (en) | Heat -transfer die wainscot wood composite gate | |
| CN202913313U (en) | Double-sided printing corrugated board | |
| CN212555240U (en) | Paper bag processing system | |
| IT201800001847A1 (en) | Self-service fruit and vegetable bag | |
| CN205420915U (en) | High ration, high deflection, epipodium are pressed, special regeneration cow hide card paper of superstrong damp -proofing packing | |
| CN209582143U (en) | A kind of chest that using effect is good | |
| WO2005007404A1 (en) | A new kind of color printed compound paperboard for packing box | |
| Debeaufort | Papers and boards | |
| CN206154840U (en) | Knot is carried to food and composite paperboard thereof | |
| CN209127143U (en) | The antitheft carton of aircraft cell type express delivery | |
| CN208730463U (en) | A kind of high-strength and low-cost corrugated case | |
| CN202389682U (en) | Gift coupling packaging box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |