CN114619709A - Processing method of paper tube with moisture-proof function - Google Patents
Processing method of paper tube with moisture-proof function Download PDFInfo
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- CN114619709A CN114619709A CN202210477101.2A CN202210477101A CN114619709A CN 114619709 A CN114619709 A CN 114619709A CN 202210477101 A CN202210477101 A CN 202210477101A CN 114619709 A CN114619709 A CN 114619709A
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- Prior art keywords
- paper tube
- paper
- moisture
- proof function
- tube
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- 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.)
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- 238000003672 processing method Methods 0.000 title claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 29
- 238000005520 cutting process Methods 0.000 claims abstract description 23
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000004381 surface treatment Methods 0.000 claims abstract description 10
- 238000005498 polishing Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000007731 hot pressing Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 239000011229 interlayer Substances 0.000 claims description 23
- 239000010410 layer Substances 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 5
- 238000009966 trimming Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C1/00—Making tubes or pipes by feeding at right angles to the winding mandrel centre line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C1/00—Making tubes or pipes by feeding at right angles to the winding mandrel centre line
- B31C1/08—Accessories of machines therefor not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C11/00—Machinery for winding combined with other machinery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C—MAKING WOUND ARTICLES, e.g. WOUND TUBES, OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31C3/00—Making tubes or pipes by feeding obliquely to the winding mandrel centre line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F7/00—Processes not otherwise provided for
- B31F7/006—Processes not otherwise provided for edges, e.g. sheet edges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
The invention discloses a processing method of a paper tube with a moisture-proof function, which comprises S1 paper tube laying, S2 paper tube preparation, S3 surface treatment and S4 surface finishing; the S1 paper tube laying method comprises the following steps: s11, overlapping the base paper; s12, slitting the base paper; the S2 paper tube reconditioning method comprises the following steps: s21, extruding the paper tube; s22, polishing the surface; the S3 surface treatment comprises the following steps: s31, gluing the surface; s32: drying the paper tube; s33, cooling the paper tube; drying and dehydrating the paper tube, quickly cooling the paper tube, and wiping surface moisture; the S4 surface finishing includes the steps of: s41, hot-pressing and extruding: extruding the cooled paper tube through a high-temperature die to fix the size of the paper tube; s42, paper tube slitting: cutting the extruded paper tube according to the required size of the product; the processing method of the paper tube with the moisture-proof function improves the use safety of the paper tube before leaving a factory, thereby effectively improving the production and processing efficiency of the paper tube.
Description
Technical Field
The invention relates to the technical field of paper tube processing, in particular to a processing method of a paper tube with a moisture-proof function.
Background
With rapid economic development, industrial development also enters unprecedented height, the requirement of auxiliary materials required by industrial development is gradually increased, the paper tubes are more and more widely used, and the use amount is larger and larger. The paper tube product is generally applied to the paper making industry, the packaging industry, the textile chemical fiber industry and the like due to the advantages of low cost, light weight, easiness in recycling, no pollution and the like, the paper tube has great use in many industries, and is increasingly applied to industrial production and life.
Disclosure of Invention
The invention aims to provide a processing method of a paper tube with a moisture-proof function, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a processing method of a paper tube with a moisture-proof function comprises the following steps: s1 paper tube laying, S2 paper tube preparation, S3 surface treatment and S4 surface finishing;
step S1 paper tube laying includes the steps of:
s11: overlapping base paper, namely selecting the base paper with low water content and smooth appearance, a dehumidifying paper layer and a waterproof interlayer with the same size as the base paper according to the specification and size required by processing, and overlapping the base paper, the dehumidifying paper layer and the waterproof interlayer;
s12: cutting base paper, namely mounting and processing the overlapped base paper, the dehumidifying paper layer and the waterproof interlayer to obtain the required specification and size, and cutting by using a cutting machine to obtain the damp-proof base paper with the required specification and size;
step S2 paper tube reconditioning comprises the steps of:
s21: extruding the paper tube, winding the damp-proof base paper into the paper tube, placing the paper tube on a winding roller to perform rotary extrusion to obtain a compact paper tube;
s22: surface grinding, namely grinding the compacted paper tube by using polishing machines with two kinds of precision, so as to eliminate joint lap seams on the surface of the compacted paper tube and level the surface;
the step S3 surface treatment includes the steps of:
s31: coating glue on the surface, namely coating special glue for the paper tube on the surface of the polished paper tube to improve the flatness of the outer surface of the polished paper tube;
s32: drying the paper tube, namely placing the paper tube coated with the special glue in a drying room, and drying and dehydrating the paper tube, wherein the water content of the paper tube after drying is lower than 10%;
s33: cooling the paper tube, drying and dehydrating the paper tube, quickly cooling the paper tube, and wiping surface moisture;
the step S4 surface finishing includes the steps of:
s41: hot pressing and extruding, extruding the cooled paper tube through a high-temperature die to fix the size of the paper tube
S42: cutting the paper tube, and cutting the extruded paper tube according to the required size of the product;
s43: and (4) trimming the cut, and polishing and flattening the two ends of the cut paper tube by using a grinding tool.
Preferably, the method further comprises a step S5 moisture-proof function test for checking the moisture resistance of the paper tube after the step S43.
Preferably, the moisture-proof function test of step S5 is specifically performed by:
s51: a humidifier and a temperature controller are arranged in the dark and moist workpiece box;
s52: placing a paper tube to be tested in a workpiece box for 10 minutes;
s53: each paper tube to be tested requires 3 trial and error.
Preferably, the temperature in the drying room in step S32 is 60 ℃ to 80 ℃, and the dried paper tube may be cooled in water circulation cooling in step S33.
Preferably, the temperature in the drying room in step S32 is 80 ℃ to 100 ℃, and the dried paper tube may be naturally air-dried in step S33.
Preferably, in step S11, the moisture content of the raw paper is less than 15%, the front and back surfaces of the raw paper are both provided with waterproof interlayers, and the outer walls of the waterproof interlayers on the front and back surfaces are provided with dehumidifying paper layers.
Preferably, the outer diameter of the paper tube after being pressed in step S41 is larger than the outer diameter of the paper tube product.
Preferably, the length of the paper tube cut in step S42 is greater than the desired size of the product.
Preferably, the paper tube formed after the step of S43 is stored in a through-air-drying place.
Compared with the prior art, the scheme designs the paper tube processing method with the moisture-proof function, and has the following beneficial effects:
(1) according to the processing method, after the paper tube is fed, the working process of extruding the paper tube on the paper winding roll is added, so that the tube wall of the paper tube is more compact after the paper tube is preliminarily formed by winding the paper tube, the situation that hollowing or bubbles easily occur in the paper tube is avoided by extruding the tube wall, and the finished product quality of the paper tube is improved.
(2) According to the processing method, the dehumidifying paper layers are arranged on the upper outer side and the lower outer side of the base paper, the waterproof interlayer is arranged between the base paper and the dehumidifying paper layers, the base paper of the paper tube is formed after extrusion, so that the moisture resistance of the paper tube is improved, the moisture resistance test is performed on the paper tube after forming, the use safety of the paper tube before leaving a factory is improved, and the production and processing efficiency of the paper tube can be effectively improved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a technical scheme that: a processing method of a paper tube with a moisture-proof function comprises the following steps: s1 paper tube laying, S2 paper tube preparation, S3 surface treatment and S4 surface finishing;
step S1 paper tube laying includes the following steps:
s11: overlapping base paper, namely selecting the base paper with low water content and smooth appearance, a dehumidifying paper layer and a waterproof interlayer with the same size as the base paper according to the specification and size required by processing, and overlapping the base paper, the dehumidifying paper layer and the waterproof interlayer; the base paper is hard paper with the water content of 15%, a silica gel drying material is arranged in the dehumidifying paper layer, the surface of the dehumidifying paper layer is set to be oil level, and the waterproof interlayer is PE coating;
s12: cutting base paper, namely mounting and processing the overlapped base paper, the dehumidifying paper layer and the waterproof interlayer to obtain the required specification and size, and cutting by using a cutting machine to obtain the damp-proof base paper with the required specification and size;
step S2 paper tube reconditioning includes the steps of:
s21: extruding the paper tube, winding the damp-proof base paper into the paper tube, placing the paper tube on a winding roller to perform rotary extrusion to obtain a compact paper tube;
s22: surface grinding, namely grinding the compacted paper tube by using polishing machines with two kinds of precision, so as to eliminate joint lap seams on the surface of the compacted paper tube and level the surface;
the step S3 surface treatment includes the steps of:
s31: coating glue on the surface, namely coating special glue for the paper tube on the surface of the polished paper tube to improve the flatness of the outer surface of the polished paper tube;
s32: drying the paper tube, namely placing the paper tube coated with the special glue in a drying room, and drying and dehydrating the paper tube, wherein the water content of the paper tube after drying is lower than 10%;
s33: cooling the paper tube; drying and dehydrating the paper tube, quickly cooling the paper tube, and wiping surface moisture;
the step S4 surface finishing includes the steps of:
s41: hot-pressing and extruding, wherein the cooled paper tube is extruded through a high-temperature die, so that the size of the paper tube is fixed;
s42: cutting the paper tube, and cutting the extruded paper tube according to the required size of the product;
s43: and (5) trimming the cut, and polishing and flattening the two ends of the cut paper tube by using a grinding tool.
And a step S5 of moisture-proof function test for testing the moisture resistance of the paper tube after the step S43.
The moisture-proof function test of the step S5 is specifically operated as follows: (1) a humidifier and a temperature controller are arranged in the workpiece box so as to control the humidity and the temperature in the workpiece box, and the moisture-proof function of the test paper tube under different humidity and temperature is facilitated; (2) placing a paper tube to be tested in a workpiece box for 10 minutes; (3) each paper tube to be tested needs to be tested 3 times repeatedly, the paper tubes are placed in the workpiece box 3 times respectively, 10 minutes each time, and the humidity and the temperature in the workpiece box are set to be high and low each time.
In the step S32, the temperature in the drying room is 60-80 ℃, in the step S33, the dried paper tube can be placed in a water circulation cooling device for cooling, and the water circulation cooling device is arranged in the air permeable box for cooling the dried paper tube.
In step S11, the moisture content of the raw paper is less than 15%, the front and back surfaces of the raw paper are provided with waterproof interlayers, and the outer walls of the waterproof interlayers on the front and back surfaces are provided with dehumidifying paper layers.
The outer diameter of the paper tube after being pressed in step S41 is larger than the outer diameter of the paper tube product, and the diameter of the paper tube is fixed by pressing and is larger than the outer diameter of the product using such paper tube.
And (8) cutting the paper tube in the step (S42) according to the requirement of using the paper tube product, wherein the length of the cut paper tube is larger than the required size of the product.
The paper tube molded after the step S43 is stored in a ventilated dry place for long-term storage.
Example 2
A processing method of a paper tube with a moisture-proof function comprises the following steps: s1 paper tube laying, S2 paper tube preparation, S3 surface treatment and S4 surface finishing;
step S1 paper tube laying includes the following steps:
s11: overlapping base paper, namely selecting the base paper with low water content and smooth appearance, a dehumidifying paper layer and a waterproof interlayer with the same size as the base paper according to the specification and size required by processing, and overlapping the base paper, the dehumidifying paper layer and the waterproof interlayer; the base paper is hard paper with the water content of 15%, a silica gel drying material is arranged inside the dehumidification paper layer, the surface of the dehumidification paper layer is set to be oil level, and the waterproof interlayer is PE coating;
s12: cutting base paper, namely mounting and processing the overlapped base paper, the dehumidifying paper layer and the waterproof interlayer to obtain the required specification and size, and cutting by using a cutting machine to obtain the damp-proof base paper with the required specification and size;
step S2 paper tube reconditioning includes the steps of:
s21: extruding the paper tube, winding the damp-proof base paper into the paper tube, placing the paper tube on a winding roller to perform rotary extrusion to obtain a compact paper tube;
s22: surface grinding, namely grinding the compacted paper tube by using polishing machines with two kinds of precision, so as to eliminate joint lap seams on the surface of the compacted paper tube and level the surface;
the step S3 surface treatment includes the steps of:
s31: coating glue on the surface, namely coating special glue for the paper tube on the surface of the polished paper tube to improve the flatness of the outer surface of the polished paper tube;
s32: drying the paper tube, namely placing the paper tube coated with the special glue in a drying room, and drying and dehydrating the paper tube, wherein the water content of the paper tube after drying is lower than 10%;
s33: cooling the paper tube; drying and dehydrating the paper tube, quickly cooling the paper tube, and wiping surface moisture;
the step S4 surface finishing includes the steps of:
s41: hot-pressing and extruding, wherein the cooled paper tube is extruded through a high-temperature die, so that the size of the paper tube is fixed;
s42: cutting the paper tube, and cutting the extruded paper tube according to the required size of the product;
s43: and (4) trimming the cut, and polishing and flattening the two ends of the cut paper tube by using a grinding tool.
And the method also comprises a step S5 moisture-proof function test for testing the moisture resistance of the paper tube after the step S43.
The moisture-proof function test of the step S5 is specifically operated as follows: (1) a humidifier and a temperature controller are arranged in the workpiece box so as to control the humidity and the temperature in the workpiece box, and the moisture-proof function of the test paper tube under different humidity and temperature is facilitated; (2) placing a paper tube to be tested in a workpiece box for 10 minutes; (3) each paper tube to be tested needs to be tested 3 times repeatedly, the paper tubes are placed in the workpiece box 3 times respectively, 10 minutes each time, and the humidity and the temperature in the workpiece box are set to be high and low each time.
In the step S32, the temperature in the drying room is 80-100 ℃, and in the step S33, the dried paper tube can be naturally dried.
In step S11, the moisture content of the raw paper is less than 15%, the front and back surfaces of the raw paper are provided with waterproof interlayers, and the outer walls of the waterproof interlayers on the front and back surfaces are provided with dehumidifying paper layers.
The outer diameter of the paper tube after being pressed in step S41 is larger than the outer diameter of the paper tube product, and the diameter of the paper tube is fixed by pressing and is larger than the outer diameter of the product using such paper tube.
And (8) cutting the paper tube in the step (S42) according to the requirement of using the paper tube product, wherein the length of the cut paper tube is larger than the required size of the product.
The paper tube molded after the step S43 is stored in a ventilated dry place for long-term storage.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A processing method of a paper tube with a damp-proof function is characterized by comprising the following steps: the method comprises the following steps: s1 paper tube laying, S2 paper tube preparation, S3 surface treatment and S4 surface finishing;
step S1 paper tube laying includes the following steps:
s11: overlapping base paper, namely selecting the base paper with low water content and smooth appearance, a dehumidifying paper layer and a waterproof interlayer with the same size as the base paper according to the specification and size required by processing, and overlapping the base paper, the dehumidifying paper layer and the waterproof interlayer;
s12: cutting base paper, namely mounting and processing the overlapped base paper, the dehumidifying paper layer and the waterproof interlayer to obtain the required specification and size, and cutting by using a cutting machine to obtain the damp-proof base paper with the required specification and size;
step S2 paper tube reconditioning comprises the steps of:
s21: extruding the paper tube, winding the damp-proof base paper into the paper tube, placing the paper tube on a winding roller to perform rotary extrusion to obtain a compact paper tube;
s22: surface grinding, namely grinding the compacted paper tube by using polishing machines with two kinds of precision, so as to eliminate joint lap seams on the surface of the compacted paper tube and level the surface;
the step S3 surface treatment includes the steps of:
s31: coating glue on the surface, namely coating the special glue for the paper tube on the surface of the polished paper tube to improve the flatness of the outer surface of the polished paper tube;
s32: drying the paper tube, namely placing the paper tube coated with the special glue in a drying room for drying and dehydrating, wherein the water content of the dried paper tube is lower than 10%;
s33: cooling the paper tube, drying and dehydrating the paper tube, quickly cooling the paper tube, and wiping surface moisture;
the step S4 surface finishing includes the steps of:
s41: hot pressing and extruding, extruding the cooled paper tube through a high-temperature die to fix the size of the paper tube
S42: cutting the paper tube, and cutting the extruded paper tube according to the required size of the product;
s43: and (4) trimming the cut, and polishing and flattening the two ends of the cut paper tube by using a grinding tool.
2. The processing method of the paper tube with the moisture-proof function as claimed in claim 1, characterized in that: and the method also comprises a step S5 moisture-proof function test for testing the moisture resistance of the paper tube after the step S43.
3. The processing method of the paper tube with the moisture-proof function as claimed in claim 2, characterized in that: the moisture-proof function test of the step S5 is specifically operated as follows:
s51: a humidifier and a temperature controller are arranged in the dark and moist workpiece box;
s52: placing a paper tube to be tested in a workpiece box for 10 minutes;
s53: each paper tube to be tested requires 3 trial and error.
4. The processing method of the paper tube with the moisture-proof function as claimed in claim 1, characterized in that: the temperature in the drying room in the step S32 is 60-80 ℃, and the dried paper tube can be cooled in water circulation cooling in the step S33.
5. The processing method of the paper tube with the moisture-proof function as claimed in claim 1, characterized in that: in the step S32, the temperature in the drying room is 80-100 ℃, and in the step S33, the dried paper tube can be naturally dried.
6. The processing method of the paper tube with the moisture-proof function as claimed in claim 1, characterized in that: in step S11, the moisture content of the raw paper is less than 15%, the front and back surfaces of the raw paper are provided with waterproof interlayers, and the outer walls of the waterproof interlayers on the front and back surfaces are provided with dehumidifying paper layers.
7. The processing method of the paper tube with the moisture-proof function as claimed in claim 1, characterized in that: the outer diameter of the paper tube after being pressed in the step S41 is larger than the outer diameter of the paper tube product.
8. The processing method of the paper tube with the moisture-proof function as claimed in claim 1, characterized in that: the length of the paper tube cut in the step S42 is larger than the required size of the product.
9. The processing method of the paper tube with the moisture-proof function as claimed in claim 1, characterized in that: the paper tube molded after the step of S43 is placed in a through-air-drying place for storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477101.2A CN114619709A (en) | 2022-05-03 | 2022-05-03 | Processing method of paper tube with moisture-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210477101.2A CN114619709A (en) | 2022-05-03 | 2022-05-03 | Processing method of paper tube with moisture-proof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114619709A true CN114619709A (en) | 2022-06-14 |
Family
ID=81905952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210477101.2A Pending CN114619709A (en) | 2022-05-03 | 2022-05-03 | Processing method of paper tube with moisture-proof function |
Country Status (1)
| Country | Link |
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| CN (1) | CN114619709A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05166463A (en) * | 1991-12-10 | 1993-07-02 | Sony Corp | Humidity test method |
| JP2003054571A (en) * | 2001-08-13 | 2003-02-26 | Nippon Seitai Kk | Moisture-proof craft paper bag |
| US20040052987A1 (en) * | 2002-09-12 | 2004-03-18 | Shetty Shankara R. | Paper based retortable can and method for making same |
| CN107984859A (en) * | 2017-12-11 | 2018-05-04 | 浙江希望包装有限公司 | A kind of corrugated board and preparation method thereof |
| CN110920150A (en) * | 2019-11-27 | 2020-03-27 | 南京格润包装材料有限公司 | Surface seamless paper tube processing technology |
| CN111926624A (en) * | 2019-05-13 | 2020-11-13 | 东莞顺裕纸业有限公司 | Moisture-proof and mildew-proof corrugated paper and preparation method thereof |
| CN214324484U (en) * | 2020-09-22 | 2021-10-01 | 苏州金丰纸业有限公司 | Dampproofing dehumidification corrugated paper |
-
2022
- 2022-05-03 CN CN202210477101.2A patent/CN114619709A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05166463A (en) * | 1991-12-10 | 1993-07-02 | Sony Corp | Humidity test method |
| JP2003054571A (en) * | 2001-08-13 | 2003-02-26 | Nippon Seitai Kk | Moisture-proof craft paper bag |
| US20040052987A1 (en) * | 2002-09-12 | 2004-03-18 | Shetty Shankara R. | Paper based retortable can and method for making same |
| CN107984859A (en) * | 2017-12-11 | 2018-05-04 | 浙江希望包装有限公司 | A kind of corrugated board and preparation method thereof |
| CN111926624A (en) * | 2019-05-13 | 2020-11-13 | 东莞顺裕纸业有限公司 | Moisture-proof and mildew-proof corrugated paper and preparation method thereof |
| CN110920150A (en) * | 2019-11-27 | 2020-03-27 | 南京格润包装材料有限公司 | Surface seamless paper tube processing technology |
| CN214324484U (en) * | 2020-09-22 | 2021-10-01 | 苏州金丰纸业有限公司 | Dampproofing dehumidification corrugated paper |
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