CN112029427B - Flexible step lamellar structure patch and using method thereof - Google Patents
Flexible step lamellar structure patch and using method thereof Download PDFInfo
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- CN112029427B CN112029427B CN202010613561.4A CN202010613561A CN112029427B CN 112029427 B CN112029427 B CN 112029427B CN 202010613561 A CN202010613561 A CN 202010613561A CN 112029427 B CN112029427 B CN 112029427B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/50—Adhesives in the form of films or foils characterised by a primer layer between the carrier and the adhesive
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
- C09J2475/003—Presence of polyurethane in the primer coating
Abstract
The utility model provides a flexible step lamellar structure paster, relates to the touch-up paint paster field, the paster includes six layer structures from the bottom up, is stereoplasm bottom surface protective layer, mucigel, flexible priming paint layer, flexible finish paint layer, flexible protective layer, stereoplasm surface protective layer in proper order, wherein: the hard bottom surface protective layer is made of one of copolymer or resin; the adhesive layer is made of pressure-sensitive adhesive; the flexible primer layer is made of acrylic polyurethane paint; polyurethane coating of the flexible finish layer; the flexible protective layer is made of resin; the material of the hard surface protection layer is one of copolymer or resin, and a use method of the patch is provided, the patch of the scheme can be directly used for repairing repair areas such as airplane covering covers or skin gaps needing paint repair, the repair of paint layers on airplanes can be directly carried out, and the problem that the use is influenced by damage of the complete paint layers or returning of paint to factories due to paint repair on the surfaces of airplanes in the prior art is solved.
Description
Technical Field
The invention relates to the field of paint repairing patches, in particular to a flexible step sheet structure patch and a using method thereof.
Background
The invention relates to a flexible step lamellar structure patch and a using method thereof, which are used for repairing and spraying paint on an airplane, in particular to a patch which is suitable for an outfield environment, simplifies the process procedure of repairing and repairing the paint and shortens the production period.
At present, after the delivery of an airplane leaves a factory, local pitting sometimes occurs in the service process, pitting areas are often concentrated at gaps between skins and airplane flaps, airplane surface identification edges or lap joints of different paints, and once appearance or airplane surface performance is affected, repair painting is needed. Aircraft often undergo extensive and repeated maintenance throughout their life cycle. Once the aircraft service flap is opened, the paint layer on the surface is destroyed. After the maintenance is finished, gaps around the maintenance opening cover are filled and painted.
The large-area repair painting is often carried out under strict environmental control after returning to a factory, and meanwhile, the process is complex, so that the maintenance period is long, the use of the airplane is seriously influenced, and a large amount of economic loss is caused. Therefore, the aviation enterprises urgently need to improve and innovate the repair painting method and improve the level of the surface paint repair of the airplane.
For a long time, the repairing and painting of the surface of the airplane stays on the traditional thinking of 'paint removal, protection, polishing, cleaning, painting, heating and drying, protection removal', the complex process has strict requirements on the environment, and meanwhile, the operation difficulty is large, so that the paint repair quality is easily influenced, and the maintenance period is greatly prolonged.
In view of the above circumstances, the idea of paint spraying is innovated, a flexible step sheet structure patch for repairing and spraying the paint on the airplane is manufactured, and a novel method for repairing and spraying the paint is adopted, so that the method is an effective way for meeting the outfield environment of the airplane in a use unit, simplifying the process, shortening the maintenance period and ensuring the quality of the repaired and sprayed paint.
Disclosure of Invention
The invention aims to: the utility model provides a flexible step lamellar structure paster to a use method of this paster is provided, the paster of this scheme can directly be used for maintaining aircraft flap or skin gap etc. can directly carry out the repair of lacquer layer to the aircraft, has avoided among the prior art aircraft surface to mend the lacquer and destroys complete lacquer layer, or returns the factory and sprays paint the problem that influences the use.
The technical scheme adopted by the invention is as follows:
the utility model provides a flexible step lamellar structure paster, the paster includes six layer structures from the bottom up, is stereoplasm bottom surface protective layer, mucigel, flexible priming paint layer, flexible finish paint layer, flexible protective layer, stereoplasm surface protection layer in proper order, wherein:
hard bottom surface protective layer: the material is one of copolymer or resin;
an adhesive layer: the material is pressure-sensitive adhesive;
flexible primer layer: the material is acrylic polyurethane paint;
flexible finish paint layer: polyurethane coating;
flexible protective layer: the material is resin;
hard surface protective layer: the material is one of copolymer or resin.
In order to realize this scheme better, further, the paster still includes flexible conductive paint layer and flexible functional paint layer, and the paster from the bottom up is in proper order: stereoplasm bottom surface protective layer, viscose layer, flexible conductive paint layer, flexible functional paint layer, flexible priming paint layer, flexible finish paint layer, flexible protective layer and stereoplasm surface protective layer, wherein:
flexible conductive paint layer: the material is conductive nylon fiber and/or conductive paint;
flexible functional paint layer: the material is iron-based paint.
In order to better realize the scheme, further, the areas from the adhesive layer, the flexible conductive paint layer, the flexible functional paint layer, the flexible primer layer, the flexible finish paint layer and the flexible protective layer in the patch to the hard surface protective layer are sequentially increased, and the upper structure in the structural layers completely covers the lower structure; the hard bottom surface protection layer completely covers the adhesive layer and has an area larger than that of the adhesive layer.
In order to better realize the scheme, the flexible conductive paint layer in the patch is 0.02-0.1 mm; the flexible functional paint layer is 0.1-1 mm.
In order to better implement the scheme, further, the thicknesses of the layers in the patch are as follows: the hard bottom surface protective layer is 1-2 mm; the adhesive layer is 0.01-0.05 mm; the flexible conductive paint layer is 0.02-0.1 mm; the flexible functional paint layer is 0.1-1 mm; the flexible primer layer is 0.02-0.05 mm; the flexible finish paint layer is 0.01-0.05 mm; the flexible protective layer is 0.01-0.1 mm; the hard surface protection layer is 1-2 mm.
In order to better implement the scheme, further, the thickness of the six-layer structure of the patch is as follows: the hard bottom surface protective layer is 1-2 mm; the adhesive layer is 0.01-0.05 mm; the flexible primer layer is 0.02-0.05 mm; the flexible finish paint layer is 0.01-0.05 mm; the flexible protective layer is 0.01-0.1 mm; the hard surface protection layer is 1-2 mm.
In order to better implement the scheme, further, the material of the hard bottom protective layer in the patch is one of polyethylene, polypropylene, polyvinyl chloride, polyurethane, phenolic resin or epoxy resin.
In order to better implement the scheme, further, the material of the flexible protective layer is one of polyurethane, phenolic resin or epoxy resin.
In order to better implement the scheme, further, the material of the hard surface protection layer is one of polyethylene, polypropylene, polyvinyl chloride, polyurethane, phenolic resin or epoxy resin.
A method of using a flexible step sheet structure patch using any of the patches described above; the using steps are as follows:
step S1: selecting a patch with proper size according to the state of the repair area or the repair opening cover, wherein the proper size means that the patch can completely cover the repair area but cannot cover too much area outside the repair area when being attached to the repair area; comparing the attachment positions and marking the attachment positions;
step S2: protecting a non-repaired area, polishing the repaired area, and cleaning by using an aviation cleaning agent;
step S3: tearing off the hard bottom surface protective layer and the hard surface protective layer at the two ends of the patch, attaching according to the marked positions, and rolling the patch back and forth until no bubble wrinkles exist at the attaching position of the patch;
step S4: coating edge sealing glue on the edge of the patch, leveling the patch by using a resin scraper, standing for a period of time, tearing off the flexible protective layer 7, and standing until the edge sealing glue is completely dried;
step S5: the patch was polished flat using sandpaper.
In this scheme, the stereoplasm bottom surface protective layer, viscose layer, flexible priming paint layer, flexible finish paint layer, flexible protective layer, the stereoplasm surface protection layer of paster are the basic lamellar structure that this paster must possess. The flexible conductive layer and the flexible functional paint layer are optional sheet layers, and whether the flexible conductive layer and the flexible functional paint layer are contained in the patch or not is selected according to the specific condition of the repaired part. The hard bottom surface protective layer and the hard surface protective layer are thick and are mainly used for protecting the whole patch from being damaged in other links before storage and use.
The adhesive layer of the patch is made of pressure-sensitive adhesive, and optimally, the patch is tightly attached to a repairing area needing paint repair by using acrylic pressure-sensitive adhesive and utilizing the adhesive characteristic of the pressure-sensitive adhesive, which is sensitive to pressure; the flexible primer layer is made of acrylic acid polyurethane paint, namely paint with acrylic acid added into common polyurethane paint, and the acrylic acid provides the paint with better weather resistance, so that the probability of paint surface abnormality caused by the fact that the repaired area is subjected to factors of environmental factors in the future is reduced; the flexible finish paint layer is made of polyurethane paint, preferably fluorocarbon polyurethane paint, if the repaired area needing paint repair is other colors, the flexible finish paint layer needs to be specially made with the same color as the background color, if two or more different color areas exist in the repaired area, the flexible finish paint layer needs to be correspondingly marked, and the flexible finish paint layer corresponding to the color of the repaired area is specially made; the flexible protective layer is made of resin and mainly protects the paint in the flexible finish paint layer.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention relates to a flexible step sheet structure patch and provides a using method of the patch, the patch of the scheme can be directly used for maintaining a cover cap or a skin gap of an airplane, and the like, and can be used for directly repairing a paint layer on the airplane, so that the problem that the paint layer on the surface of the airplane is damaged by paint repairing or returned to a factory to paint the surface of the airplane in the prior art to influence the use is solved;
2. the invention relates to a flexible step sheet structure patch and provides a using method of the patch.
Drawings
In order to more clearly illustrate the technical solution, the drawings needed to be used in the embodiments are briefly described below, and it should be understood that, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, wherein:
FIG. 1 is a schematic diagram of a flexible stepped sheet structure patch structure of the present invention;
in the figure, 1-a hard bottom surface protective layer, 2-an adhesive layer, 3-a flexible conductive paint layer, 4-a flexible functional paint layer, 5-a flexible primer layer, 6-a flexible finish paint layer, 7-a flexible protective layer and 8-a hard surface protective layer.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and therefore should not be considered as a limitation to the scope of protection. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in detail with reference to fig. 1.
Example 1
The utility model provides a flexible step lamellar structure paster, the paster includes six layer structures from the bottom up, is stereoplasm bottom surface protective layer 1, mucigel 2, flexible priming paint layer 5, flexible finish coat layer 6, flexible protective layer 7, stereoplasm surface protective layer 8 in proper order, wherein:
hard bottom surface protective layer 1: the material is one of copolymer or resin;
adhesive layer 2: the material is pressure-sensitive adhesive;
flexible primer layer 5: the material is acrylic polyurethane paint;
flexible finishing coat layer 6: polyurethane coating;
flexible protective layer 7: the material is resin;
hard surface protective layer 8: the material is one of copolymer or resin.
The working principle is as follows: the adhesive layer 2 of the patch is made of pressure-sensitive adhesive, and optimally, the acrylic pressure-sensitive adhesive is used, and the adhesive property of the pressure-sensitive adhesive, which is sensitive to pressure, is utilized to cling the patch to a repair area needing paint repair; the flexible primer layer 5 is made of acrylic acid polyurethane paint, namely paint with acrylic acid added into common polyurethane paint, and the acrylic acid provides the paint with better weather resistance, so that the probability of paint surface abnormality caused by the fact that the repaired area is subjected to factors of environmental factors in the future is reduced; the flexible finish coat layer 6 is made of polyurethane coating, preferably fluorocarbon polyurethane coating is selected, if the repaired area needing paint repair is other colors, the flexible finish coat layer 6 needs to be made in a special color which is the same as the background color, if two or more than two different color areas exist in the repaired area, the flexible finish coat layer 6 needs to be correspondingly marked, and the flexible finish coat layer 6 corresponding to the color of the repaired area is specially made; the flexible protective layer 7 is made of resin, and mainly protects the paint in the flexible finish paint layer 6.
Example 2
This scheme is on embodiment 1's basis, as figure 1, the paster still includes flexible conductive paint layer 3 and flexible functional paint layer 4, and the paster from the bottom up is in proper order: stereoplasm bottom surface protective layer 1, viscose layer 2, flexible conductive paint layer 3, flexible functional paint layer 4, flexible priming paint layer 5, flexible finish paint layer 6, flexible protective layer 7 and stereoplasm surface protective layer 8, wherein:
flexible conductive paint layer 3: the material is conductive nylon fiber and/or conductive paint;
flexible functional paint layer 4: the material is iron-based paint.
The areas from an adhesive layer 2, a flexible conductive paint layer 3, a flexible functional paint layer 4, a flexible primer layer 5, a flexible finish paint layer 6, a flexible protective layer 7 to a hard surface protective layer 8 in the patch are sequentially increased, and an upper structure in the structural layers completely covers a lower structure; the hard bottom surface protection layer 1 completely covers the adhesive layer 2 and has an area larger than that of the adhesive layer 2.
Further, the thickness of each layer in the patch is: the hard bottom surface protection layer 1 is 1-2 mm; the adhesive layer 2 is 0.01-0.05 mm; the flexible conductive paint layer 3 is 0.02-0.1 mm; the flexible functional paint layer 4 is 0.1-1 mm; the flexible primer layer 5 is 0.02-0.05 mm; the flexible finish paint layer 6 is 0.01-0.05 mm; the flexible protective layer 7 is 0.01-0.1 mm; the hard surface protection layer 8 is 1-2 mm.
The hard bottom layer protection layer 1 in the patch is made of one of polyethylene, polypropylene, polyvinyl chloride, polyurethane, phenolic resin or epoxy resin.
The material of the flexible protective layer 7 is one of polyurethane, phenolic resin or epoxy resin.
The hard surface protection layer 8 is made of one of polyethylene, polypropylene, polyvinyl chloride, polyurethane, phenolic resin or epoxy resin.
The working principle is as follows: in this scheme, the stereoplasm bottom surface protective layer 1, viscose layer 2, flexible priming paint layer 5, flexible finish coat layer 6, flexible protective layer 7, the stereoplasm surface protection layer 8 of paster are the basic lamellar structure that this paster must possess. The flexible conductive layer 3 and the flexible functional paint layer 4 are optional sheet layers, and whether the flexible conductive layer and the flexible functional paint layer are contained in the patch or not is selected according to the specific condition of the repaired part. The hard bottom surface protection layer 1 and the hard surface protection layer 8 are thick and are mainly used for protecting the whole patch from being damaged in other links before storage and use.
The adhesive layer 2 of the patch is made of pressure-sensitive adhesive, and optimally, the acrylic pressure-sensitive adhesive is used, and the adhesive property of the pressure-sensitive adhesive, which is sensitive to pressure, is utilized to cling the patch to a repair area needing paint repair; the flexible conductive paint layer 3 is made of conductive nylon fiber and/or conductive paint; the flexible functional paint layer 4 is made of iron-based paint; the flexible conductive paint layer 3 and the flexible functional paint layer 4 are mainly added when the repairing area needing paint repair is the outer wall of equipment needing both corrosion prevention and static prevention; the flexible primer layer 5 is made of acrylic acid polyurethane paint, namely paint with acrylic acid added into common polyurethane paint, and the acrylic acid provides the paint with better weather resistance, so that the probability of paint surface abnormality caused by the fact that the repaired area is subjected to factors of environmental factors in the future is reduced; the flexible finish coat layer 6 is made of polyurethane coating, preferably fluorocarbon polyurethane coating is selected, if the repaired area needing paint repair is other colors, the flexible finish coat layer 6 needs to be made in a special color which is the same as the background color, if two or more than two different color areas exist in the repaired area, the flexible finish coat layer 6 needs to be correspondingly marked, and the flexible finish coat layer 6 corresponding to the color of the repaired area is specially made; the flexible protective layer 7 is made of resin, and mainly protects the paint in the flexible finish paint layer 6.
Example 3
A method of using a flexible step sheet structure patch using any of the patches described above; the using steps are as follows:
step S1: selecting a patch with proper size according to the state of the repair area or the repair opening cover, wherein the proper size means that the patch can completely cover the repair area but cannot cover too much area outside the repair area when being attached to the repair area; comparing the attachment positions and marking the attachment positions;
step S2: protecting a non-repaired area, polishing the repaired area, and cleaning by using an aviation cleaning agent;
step S3: tearing off the hard bottom surface protective layer 1 and the hard surface protective layer 8 at the two ends of the patch, attaching according to the marked positions, and rolling the patch back and forth by using a silica gel roller until the patch has no bubble wrinkle at the attaching position;
step S4: coating edge sealing glue on the edge of the patch, strickling the patch by using a resin scraper, standing for 10 hours, tearing off the flexible protective layer 7, and standing for 24 hours until the edge sealing glue is completely dried;
step S5: the patch was smoothed using 180- # 600 sandpaper.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
1. A flexible step sheet structure patch is characterized in that: the paster includes six layer structures from the bottom up, is stereoplasm bottom surface protective layer (1), viscose layer (2), flexible priming paint layer (5), flexible finish paint layer (6), flexible protective layer (7), stereoplasm surface protection layer (8) in proper order, wherein:
hard bottom surface protective layer (1): the material is one of copolymer or resin;
adhesive layer (2): the material is pressure-sensitive adhesive;
flexible primer layer (5): the material is acrylic polyurethane paint;
flexible topcoat layer (6): polyurethane coating;
flexible protective layer (7): the material is resin;
hard surface protection layer (8): the material is one of copolymer or resin.
2. A flexible stepped laminar construction patch according to claim 1 wherein: the paster still includes flexible conductive paint layer (3) and flexible functional paint layer (4), and the paster from the bottom up is in proper order: stereoplasm bottom surface protective layer (1), viscose layer (2), flexible conductive paint layer (3), flexible functional paint layer (4), flexible priming paint layer (5), flexible finish paint layer (6), flexible protective layer (7) and stereoplasm surface protection layer (8), wherein:
flexible conductive paint layer (3): the material is conductive nylon fiber and/or conductive paint;
flexible functional paint layer (4): the material is iron-based paint.
3. A flexible stepped laminar construction patch according to claim 2 wherein: the areas from an adhesive layer (2), a flexible conductive paint layer (3), a flexible functional paint layer (4), a flexible primer layer (5), a flexible finish paint layer (6), a flexible protective layer (7) to a hard surface protective layer (8) in the patch are sequentially increased, and an upper layer structure in the structural layers completely covers a lower layer structure; the hard bottom surface protection layer (1) completely covers the adhesive layer (2) and has an area larger than that of the adhesive layer (2).
4. A flexible stepped laminar construction patch according to claim 2 wherein: the flexible conductive paint layer (3) in the patch is 0.02-0.1 mm; the flexible functional paint layer (4) is 0.1-1 mm.
5. A flexible stepped laminar construction patch according to claim 2 or 4 wherein: the thickness of each layer in the patch is as follows: the hard bottom surface protection layer (1) is 1-2 mm; the adhesive layer (2) is 0.01-0.05 mm; the flexible conductive paint layer (3) is 0.02-0.1 mm; the flexible functional paint layer (4) is 0.1-1 mm; the flexible primer layer (5) is 0.02-0.05 mm; the flexible finish paint layer (6) is 0.01-0.05 mm; the flexible protective layer (7) is 0.01-0.1 mm; the hard surface protection layer (8) is 1-2 mm.
6. A flexible stepped laminar construction patch according to claim 1 wherein: the thickness of the six-layer structure of the patch is as follows: the hard bottom surface protection layer (1) is 1-2 mm; the adhesive layer (2) is 0.01-0.05 mm; the flexible primer layer (5) is 0.02-0.05 mm; the flexible finish paint layer (6) is 0.01-0.05 mm; the flexible protective layer (7) is 0.01-0.1 mm; the hard surface protection layer (8) is 1-2 mm.
7. A flexible stepped laminar construction patch according to claim 1 wherein: the hard bottom surface protection layer (1) in the patch is made of one of polyethylene, polypropylene, polyvinyl chloride, polyurethane, phenolic resin or epoxy resin.
8. A flexible stepped laminar construction patch according to claim 1 wherein: the flexible protective layer (7) is made of one of polyurethane, phenolic resin or epoxy resin.
9. A flexible stepped laminar construction patch according to claim 1 wherein: the hard surface protection layer (8) is made of one of polyethylene, polypropylene, polyvinyl chloride, polyurethane, phenolic resin or epoxy resin.
10. A use method of a flexible step sheet structure patch is characterized by comprising the following steps: the patch is the patch according to any one of claims 1 to 9; the using steps are as follows:
step S1: selecting a patch with a proper size according to the state of the repair area or the maintenance cover; comparing the attachment positions and marking the attachment positions;
step S2: protecting a non-repaired area, polishing the repaired area, and cleaning by using an aviation cleaning agent;
step S3: tearing off the hard bottom surface protective layer (1) and the hard surface protective layer (8) at the two ends of the patch, attaching according to the marked positions, and rolling the patch back and forth until no bubble wrinkle exists at the attaching position of the patch;
step S4: coating edge sealing glue on the edge of the patch, strickling the patch by using a resin scraper, standing for a period of time, tearing off the flexible protective layer (7), and standing until the edge sealing glue is completely dried;
step S5: the patch was polished flat using sandpaper.
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