CN113911477A - Packaging production process of explosive blocks - Google Patents
Packaging production process of explosive blocks Download PDFInfo
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- CN113911477A CN113911477A CN202111031132.7A CN202111031132A CN113911477A CN 113911477 A CN113911477 A CN 113911477A CN 202111031132 A CN202111031132 A CN 202111031132A CN 113911477 A CN113911477 A CN 113911477A
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- paper
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- special wax
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
- B65B61/025—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging for applying, e.g. printing, code or date marks on material prior to packaging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
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Abstract
The invention provides a packaging production process of explosive blocks, which relates to the technical field of explosive packaging paper, and comprises the following steps of S1: and cutting the customized paper according to the size of the explosive blocks to be packaged. Through the composition change to the wax, make the nature of special wax paper take place corresponding change, special wax crystallization is thinner, can effectively prevent the invasion of steam, improve the toughness and the moisture resistance of special paper simultaneously, improve the explosive storage period, toughness can keep better circle rate, improve the rolling rate, and simultaneously, the cohesiveness of special wax paper is good, can improve the bonding strength of paper seam, effectively prevent slotting of paper tube, the paper tube intensity of making is high, prevent the powder charge damage, keep explosive stable quality, can make the special wax paper have the profile of explosive piece through the impression trace, because the thickness of special wax paper, toughness and hardness are all stronger than general paper, be difficult to buckle when the packing, the impression is favorable to the packing of explosive piece in advance, save time.
Description
Technical Field
The invention relates to the technical field of explosive packaging paper, in particular to a packaging production process of explosive blocks.
Background
The main varieties of industrial explosives include emulsion explosives, expanded ammonium nitrate explosives, powdery emulsion explosives and the like, the packaging forms of the explosives can be cartridges, bags and bulk packs, wherein the bulk packs mean that the explosives do not need packaging materials and are directly loaded into blast holes when in use, the bagged explosives are usually large in diameter, the packaging materials are usually polyethylene plastic bags or kraft paper tubes coated with plastic films, the cartridges and the explosives are mainly used by directly loading small-diameter cartridges into the blast holes, the packaging materials comprise wax-impregnated paper, coated plastic film paper, polyethylene plastic bags and the like, the finished products require long storage period, and the small-diameter cartridges and the explosives are mainly packaged.
In the prior art, the wax-impregnated paper is generally used as a packaging material of explosive cartridges, the raw material of the paper-impregnated paper adopts common paraffin, the common paraffin is thick in crystallization, insufficient in toughness, poor in bonding performance and slow in curing speed, the strength of paper rolls and the round rate of paper tubes produced by the paper-impregnated paper are poor, the phenomenon of partial slotting is generally common, the damage rate of paper is high when explosive blocks are packaged, waste is caused, the working efficiency of an automatic explosive charging machine is influenced, in order to improve the situation, the cost of the explosive is increased by generally increasing the thickness of the paper rolls or using coated plastic film paper and polyethylene plastic bags, and the special paper dyed by the wax is not easy to fold, so that the packaging has certain obstruction and the efficiency is influenced.
Disclosure of Invention
The invention aims to provide a packaging production process of explosive blocks. Through the composition change to the wax, make the nature of special wax paper take place corresponding change, special wax crystallization is thinner, can effectively prevent the invasion of steam, improve the toughness and the moisture resistance of special paper simultaneously, improve the explosive storage period, toughness can keep better circle rate, improve the rolling rate, and simultaneously, the cohesiveness of special wax paper is good, can improve the bonding strength of paper seam, effectively prevent slotting of paper tube, the paper tube intensity of making is high, prevent the powder charge damage, keep explosive stable quality, can make the special wax paper have the profile of explosive piece through the impression trace, because the thickness of special wax paper, toughness and hardness are all stronger than general paper, be difficult to buckle when the packing, the impression is favorable to the packing of explosive piece in advance, save time.
In order to solve the problems of poor performance and difficult folding of the wax paper, the invention provides the following technical scheme: a packaging production process of explosive blocks comprises the following steps:
step one, cutting paper: and cutting the customized paper according to the size of the explosive blocks to be packaged.
Step two, marking: and printing basic information of the wrapped explosive on the cut paper.
Step three, special wax dip dyeing: and (4) immersing the paper printed with the information into special wax to completely dip-dye the paper.
Step four, airing and drying: and (5) airing and drying the completely dyed paper to enable the paper to reach the explosive packaging standard.
Step five, forming paper and impressing marks: and (4) embossing the paper according to the size of the explosive blocks.
Step six, explosive packaging: and packaging the explosive blocks and then uniformly storing the explosive blocks.
Further, the paper used in the first step is special paper for wrapping the explosive, the moisture of the special paper is 5% -10%, the special paper is adjusted according to the storage environment and the type of the packaged explosive, the ash content is 1.5% -9%, the special paper is changed according to different raw materials, and then the special paper is cut according to the size of the packaged explosive block.
Further, the printing ink printed in the second step is water-based printing ink which is mainly formed by compounding, grinding and processing water-soluble resin, organic pigment, solvent and related auxiliary agents, and the printing content comprises basic information such as explosive block types and explosive block weights.
Furthermore, compared with common wax, the special wax used in the third step has better toughness and moisture resistance, so that the storage period of the explosive block is prolonged, the assembly rolling rate is averagely improved, the bonding performance is good, the curing speed is high, and the paper tube is effectively prevented from being slotted.
Furthermore, the main components of the special wax in the third step comprise 85-100 parts of paraffin, 5-25 parts of microcrystalline wax, 1-12 parts of polymer, 0-5 parts of rosin and an antioxidant, so that the overall performance of the special paper can be improved, and meanwhile, the proportion of the special wax can be adjusted according to the type of the packaged explosive so as to adapt to the packaging of different explosives.
Further, the special wax for dip-dyeing the special paper in the third step is carried out for 30-90 min at 65-120 ℃, the special wax is adjusted according to the size of the special paper, the special wax needs to completely immerse the special paper during dip-dyeing, complete dip-dyeing is ensured, and the special wax paper is prepared.
Further, the special wax paper is taken out and aired in the fourth step, redundant special wax on the surface of the special wax paper is scraped, the problem that the special wax paper is too thick and affects use is avoided, and the special wax paper is hung and then is dewaxed by using the clamping plate, so that the thickness of the special wax paper is stabilized to be 1.5-3 mm.
Further, drying the special wax paper after the wax removal in the fourth step at the temperature of 25-40 ℃, at the wind speed of 1.6-3.3 m/s and for 15-60 min.
Further, planning indentation is carried out on the dried special wax paper in the fifth step according to the size of the packaged explosive blocks, so that the explosive blocks can be conveniently packaged.
Further, the explosive blocks are placed in the middle of special wax paper with the impressions in the sixth step, equipment is used for folding and edge folding, then glue is used for bonding and sealing, and the glue is uniformly contained, is made of acrylate structural glue and can be dampproof and waterproof.
The invention provides a packaging production process of explosive blocks, which has the following beneficial effects: through the composition change to the wax, make the nature of special wax paper take place corresponding change, special wax crystallization is thinner, can effectively prevent the invasion of steam, improve the toughness and the moisture resistance of special paper simultaneously, improve the explosive storage period, toughness can keep better circle rate, improve the rolling rate, and simultaneously, the cohesiveness of special wax paper is good, can improve the bonding strength of paper seam, effectively prevent slotting of paper tube, the paper tube intensity of making is high, prevent the powder charge damage, keep explosive stable quality, can make the special wax paper have the profile of explosive piece through the impression trace, because the thickness of special wax paper, toughness and hardness are all stronger than general paper, be difficult to buckle when the packing, the impression is favorable to the packing of explosive piece in advance, save time.
Drawings
FIG. 1 is a flow chart of a process for producing a package of blocks of explosive in accordance with the present invention.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: a packaging production process of explosive blocks comprises the following steps:
step one, cutting paper: and cutting the customized paper according to the size of the explosive blocks to be packaged.
Step two, marking: and printing basic information of the wrapped explosive on the cut paper.
Step three, special wax dip dyeing: and (4) immersing the paper printed with the information into special wax to completely dip-dye the paper.
Step four, airing and drying: and (5) airing and drying the completely dyed paper to enable the paper to reach the explosive packaging standard.
Step five, forming paper and impressing marks: and (4) embossing the paper according to the size of the explosive blocks.
Step six, explosive packaging: and packaging the explosive blocks and then uniformly storing the explosive blocks.
Specifically, the paper used in the first step is special paper for wrapping the explosive, the moisture of the special paper is 5% -10%, the special paper is adjusted according to the storage environment and the type of the packaged explosive, the ash content is 1.5% -9%, the special paper is changed according to different raw materials, and then the special paper is cut according to the size of the packaged explosive block.
Specifically, the ink printed in the second step is water-based ink which is mainly formed by compounding, grinding and processing water-soluble resin, organic pigment, solvent and related auxiliaries, and the printing content comprises basic information such as explosive block types and explosive block weights.
Specifically, the special wax used in the third step has better toughness and moisture resistance compared with the common wax, so that the storage period of the explosive blocks is prolonged, the assembly rolling rate is averagely improved, the bonding performance is good, the curing speed is high, and the paper tube is effectively prevented from being slotted.
Specifically, the main components of the special wax in the third step comprise 85-100 parts of paraffin, 5-25 parts of microcrystalline wax, 1-12 parts of polymer, 0-5 parts of rosin and an antioxidant, so that the overall performance of the special paper can be improved, and meanwhile, the proportion of the special wax can be adjusted according to the type of the packaged explosive to adapt to the packaging of different explosives.
Specifically, the special wax for dip-dyeing the special paper in the third step is used for 30-90 min, the temperature is 65-120 ℃, the special wax is adjusted according to the size of the special paper, the special wax needs to completely immerse the special paper during dip-dyeing, complete dip-dyeing is ensured, and the special wax paper is prepared.
Specifically, the special wax paper is aired after being taken out in the fourth step, redundant special wax on the surface of the special wax paper is scraped, the special wax paper is prevented from being too thick, the use is influenced, the special wax paper is suspended and then is dewaxed by using the clamping plate, and the thickness of the special wax paper is stabilized to be 1.5-3 mm.
Specifically, in the fourth step, the special wax paper after wax removal is dried at the temperature of 25-40 ℃, the wind speed of 1.6-3.3 m/s and the time of 15-60 min.
Specifically, planning indentation is carried out on the dried special wax paper in the fifth step according to the size of the packaged explosive blocks, so that the explosive blocks can be conveniently packaged.
Specifically, place the explosive piece in the middle of the special wax paper that has the impression in step six, folding the receipts limit is carried out to the user equipment, is sealed by gluing by using glue again, and unified accomodating, glue use are glued for the acrylate structure, but dampproofing and waterproofing.
The method of the examples was performed for detection analysis and compared to the prior art to yield the following data:
table 1: detection analysis meter
| Performance of wax paper | Bendability | |
| Examples | Is preferably used | Easy |
| Prior Art | Is poor | Is difficult to |
According to the table data, when the embodiment is used, the components of the wax are changed, so that the property of the special wax paper is changed correspondingly, the invasion of water vapor can be effectively prevented, the toughness and the moisture resistance of the special wax paper are improved, the better roundness rate is kept, the coiling rate is improved, the paper tube is prevented from being slotted, and the special wax paper can have the contour of the explosive blocks by stamping marks, so that the package of the explosive blocks is facilitated, and the time is saved.
The invention provides a packaging production process of explosive blocks, which comprises the following steps: step one, cutting paper: cutting a customized paper according to the size of an explosive block to be packaged, wherein the used paper is special paper for wrapping the explosive, the moisture of the special paper is between 5 and 10 percent, the paper is adjusted according to the storage environment and the type of the packaged explosive, the ash content is between 1.5 and 9 percent, the paper is changed according to different raw materials, the special paper is cut according to the size of the packaged explosive block, the general moisture is 6 to 8 percent, the range of the special paper is a little larger, the special paper can be changed according to needs, the water content of the paper is too high, the use is influenced, the paper has the problems of possibility of being crisp and damaged, the time of the paper for packaging is longer and more than that of the common paper, the change of the moisture needs to be observed, the ash content is inorganic matter contained in the paper, the sources are respectively inorganic matter contained in the paper-making raw material and residues after chemical reaction by using a chemical agent in the production process, Inorganic matters introduced after the filler and the coating are applied to the paper, regarding ash in raw materials, the ash content is less than about 1 percent, the grass class is about 3 to 5 percent, and partial straw can reach 12 percent, but the ash content has little influence on the common wrapping paper, and the second step and the marking printing are carried out: the basic information of the wrapped explosive is printed on the cut paper, the printed ink is water-based ink and is mainly formed by compounding and grinding water-soluble resin, organic pigment, solvent and related auxiliary agents, the printing content comprises the basic information of the type of the explosive block, the weight of the explosive block and the like, water-soluble acrylic acid modified resin is selected as a connecting material of the water-based ink, the water-based ink has remarkable advantages in the aspects of glossiness, weather resistance, heat resistance, water resistance, chemical resistance, pollution resistance and the like, and can show excellent performance when being directly dispersed and dissolved or synthesized into high-molecular emulsion, and the basic formula is as follows: 25-35% of water-soluble acrylic resin, 15-25% of water, 5-15% of ethanol, 5-10% of triethylamine, 10-30% of pigment and 1-3% of auxiliary agent, and the third step is special wax dip dyeing: the special wax has the advantages that the paper printed with information is soaked into the special wax, the paper is completely dip-dyed, the used special wax has better toughness and moisture resistance compared with common wax, the storage period of explosive blocks is prolonged, the assembly rolling rate is averagely improved compared with common paraffin paper, the bonding performance is good, the curing speed is high, the paper tube can be effectively prevented from cracking, the main components of the special wax comprise 85-100 parts of paraffin, 5-25 parts of microcrystalline wax, 1-12 parts of polymer, 0-5 parts of rosin and antioxidant, the overall performance of the special paper can be improved, meanwhile, the proportion of the special wax can be adjusted according to the type of explosive to be packaged so as to adapt to the packaging of different explosives, the special wax for dip-dyeing of the special paper is 30-90 min, the temperature is 65-120 ℃, the special wax is adjusted according to the size of the special paper, the special wax needs to be completely soaked into the special paper during dip-dyeing, the complete dip-dyeing is ensured, and the special paper is prepared, the melting point of the paraffin wax is 56-62 ℃, the melting point of the microcrystalline wax is 60-90 ℃, the number average molecular weight of the polymer is 500-100000, the paraffin wax comprises one or a mixture of ethylene propylene rubber, polyethylene wax, polypropylene wax, polyisobutylene and ethylene-vinyl acetate copolymer resin, the melting point of the rosin is 110-135 ℃, the rosin has the functions of bonding and sealing, a certain effect of bonding the special paper is improved, and the antioxidant can ensure that the special wax paper cannot be oxidized and decayed in the air for a long time, so that the overall performance of the special paper is changed, and the fourth step is air-drying: drying the completely dyed paper to ensure that the paper reaches the explosive packaging standard, taking out the special wax paper, drying the special wax paper, scraping off redundant special wax on the surface of the special wax paper, avoiding the situation that the special wax paper is too thick and affects the use, hanging the special wax paper, removing the wax by using a clamping plate to ensure that the thickness of the special wax paper is stabilized at 1.5-3 mm, drying the special wax paper after removing the wax, wherein the temperature is 25-40 ℃, the wind speed is 1.6-3.3 m/s, the time is 15-60 min, the special wax has certain viscosity, the special wax is not easy to naturally fall off and is not easy to affect the thick bottom of the paper, so that a scraping plate is required to scrape off to ensure the thickness of the special wax paper, the thickness of one piece of A4 paper is about 0.104mm, the thickness can be increased to 1.5-3 mm after dip-dyeing wrapping of the special wax, drying at normal temperature and assisting by 2-level wind force to ensure that the drying of the special wax paper is gradual, the paper cannot crack due to sudden evaporation of internal moisture, the loss is reduced, and the step five is that the paper is formed to be stamped with marks: carry out impression mark according to the size of explosive piece to the paper and handle, the indentation is planned according to the explosive piece size of packing to special wax paper after the drying to the convenient packing to the explosive piece, thickness, toughness and hardness are all stronger in general paper when special wax dip-dyeing, are difficult to buckle when the packing, and the impression is favorable to the packing of explosive piece in advance, saves time, step six, explosive packing: the explosive blocks are packaged and then uniformly stored, the explosive blocks are placed in special wax paper with marks, equipment is used for folding and edge folding, glue is used for bonding and sealing, the uniform storage is realized, the glue is acrylate structural glue which can be dampproof and waterproof, the glue can be divided into glue dispensing or line glue sealing according to the packaging mode, the glue dispensing radius is 0.5-1 cm, the line glue width is 0.4-0.8 mm, the acrylate structural glue is double-component, the structural glue consisting of synthetic acrylate and a modified curing agent, A, B both are 100% of solid components, the fast curing and the high strength can be realized, the initial fixing can be realized within 5min, the strength can reach 80% after 30min, the maximum strength can be realized after 24h, excellent acid and alkali resistance, water and oil media, the high temperature resistance and aging resistance are better, the cold and heat resistance is excellent, the AB agent is mixed and coated on one bonding surface when the adhesive is bonded in a small area under the working condition of-30-150 ℃, and then the other bonding surface is bonded, the bonding force becomes stronger along with the change of time, and the strength can reach the highest after 24 hours.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A packaging production process of explosive blocks is characterized by comprising the following steps:
s1, cutting paper: cutting the customized paper according to the size of the explosive blocks to be packaged;
s2, printing identification: printing basic information of the wrapped explosive on the cut paper;
s3, special wax dip dyeing: soaking the paper printed with the information into special wax to completely dip-dye the paper;
s4, airing and drying: drying the paper completely dyed in the air to make the paper reach the explosive packaging standard;
s5, paper forming impression: carrying out impression mark treatment on the paper according to the size of the explosive blocks;
s6, explosive packaging: and packaging the explosive blocks and then uniformly storing the explosive blocks.
2. The packaging production process of explosive blocks according to claim 1, wherein the paper used in step S1 is special paper for wrapping explosives, the moisture content of the special paper is between 5% and 10%, the paper is adjusted according to the storage environment and the type of packaged explosives, the ash content is between 1.5% and 9%, the paper is changed according to different raw materials, and the paper is cut according to the size of the packaged explosive blocks.
3. The packaging production process of explosive blocks according to claim 1, wherein the ink printed in step S2 is water-based ink, and is mainly prepared by carrying out compound grinding processing on water-soluble resin, organic pigment, solvent and related auxiliary agents, and the printed content comprises basic information such as explosive block type and explosive block weight.
4. The process of claim 1, wherein the special wax used in step S3 has better toughness and moisture resistance than normal wax, so as to improve the shelf life of the explosive block, and the package yield is improved on average compared with normal paraffin paper, the binding property is good, the solidification speed is fast, and the paper tube is prevented from being slit.
5. The packaging production process of the explosive block according to claim 1, wherein the main components of the special wax in the step S3 comprise 85-100 parts of paraffin wax, 5-25 parts of microcrystalline wax, 1-12 parts of polymer, 0-5 parts of rosin and antioxidant, the overall performance of the special paper can be improved, and meanwhile, the proportion of the special wax can be adjusted according to the type of the explosive to be packaged so as to adapt to the packaging of different explosives.
6. The packaging production process of the explosive blocks according to claim 1, wherein the special wax is dip-dyed on the special paper in the step S3 for 30-90 min at 65-120 ℃, and is adjusted according to the size of the special paper, so that the special wax completely immerses the special paper during dip-dyeing, complete dip-dyeing is ensured, and the special wax paper is prepared.
7. The explosive block packaging production process according to claim 1, wherein the special wax paper in the step S4 is taken out and aired, so that redundant special wax on the surface of the special wax paper is scraped, the problem that the use of the special wax paper is affected due to excessive thickness of the special wax paper is avoided, and the special wax paper is hung and then dewaxed by using a clamping plate, so that the thickness of the special wax paper is stabilized at 1.5-3 mm.
8. The packaging production process of the explosive block according to claim 1, wherein the special wax paper after the wax removal is dried in the step S4, the temperature is 25-40 ℃, the wind speed is 1.6-3.3 m/S, and the time is 15-60 min.
9. The process of claim 1, wherein the special stencil dried in step S5 is embossed according to the size of the packaged explosive blocks to facilitate packaging of the explosive blocks.
10. The packaging production process of explosive blocks according to claim 1, wherein in step S6, the explosive blocks are placed in the middle of special wax paper with print, folded and trimmed by using equipment, and then bonded and sealed by using glue, and uniformly stored, wherein the glue is an acrylate structural glue, and is moisture-proof and waterproof.
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| CN202111031132.7A CN113911477A (en) | 2021-09-03 | 2021-09-03 | Packaging production process of explosive blocks |
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| CN202111031132.7A CN113911477A (en) | 2021-09-03 | 2021-09-03 | Packaging production process of explosive blocks |
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| US20020092793A1 (en) * | 2001-01-18 | 2002-07-18 | Barker James Marshall | Method and system for packaging explosive products for transportation |
| CN1718923A (en) * | 2004-07-06 | 2006-01-11 | 中国石油化工股份有限公司 | Blended wax for explosive packaging paper |
| CN1795091A (en) * | 2003-05-23 | 2006-06-28 | 高露洁-棕榄公司 | Method of wrapping products |
| CN103407650A (en) * | 2013-07-16 | 2013-11-27 | 达成包装制品（苏州）有限公司 | Waxed aquatic product carton and manufacturing technology thereof |
| CN109110204A (en) * | 2017-06-25 | 2019-01-01 | 金川 | A kind of four side of V-type one-pass molding heating pressing packaging facilities and its technology of the package |
| CN111058333A (en) * | 2019-12-24 | 2020-04-24 | 上海赛尔印刷包装材料有限公司 | Production and processing technology of corrugated carton |
| CN111498225A (en) * | 2020-03-16 | 2020-08-07 | 长沙世通纸塑箸业有限公司 | Packaging method of disposable chopsticks |
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2021
- 2021-09-03 CN CN202111031132.7A patent/CN113911477A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020092793A1 (en) * | 2001-01-18 | 2002-07-18 | Barker James Marshall | Method and system for packaging explosive products for transportation |
| CN1795091A (en) * | 2003-05-23 | 2006-06-28 | 高露洁-棕榄公司 | Method of wrapping products |
| CN1718923A (en) * | 2004-07-06 | 2006-01-11 | 中国石油化工股份有限公司 | Blended wax for explosive packaging paper |
| CN103407650A (en) * | 2013-07-16 | 2013-11-27 | 达成包装制品（苏州）有限公司 | Waxed aquatic product carton and manufacturing technology thereof |
| CN109110204A (en) * | 2017-06-25 | 2019-01-01 | 金川 | A kind of four side of V-type one-pass molding heating pressing packaging facilities and its technology of the package |
| CN111058333A (en) * | 2019-12-24 | 2020-04-24 | 上海赛尔印刷包装材料有限公司 | Production and processing technology of corrugated carton |
| CN111498225A (en) * | 2020-03-16 | 2020-08-07 | 长沙世通纸塑箸业有限公司 | Packaging method of disposable chopsticks |
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