JP3718558B2 - Masking material - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a masking material used for, for example, automobile painting.
[0002]
[Prior art]
As shown in FIG. 8, an air intake (3, 3) is provided at the lower part of the front bumper of the automobile (1), but the paint does not enter the air intake (3, 3) during painting. Must be fitted with masking material.
Conventionally, as shown in FIG. 9, there is provided a masking material (5) made of a synthetic resin plate material in which a fitting groove (6) of a crosspiece (4) of the air intake port (3, 3) is formed.
The masking material (5) is attached to the air intake port (3, 3) by fitting its fitting groove (6) to the crosspiece (4). A configuration is adopted in which a groove (7) is formed at the periphery of the air intake port (3, 3), and a flange portion (8) formed at the edge of the masking material (5) is fitted into the groove (7). ing.
[0003]
[Problems to be solved by the invention]
In the above conventional configuration, the flange portion (8) of the masking material (5) may be detached from the groove (7) of the air intake port (3, 3), and the flange portion (8) or groove (7 ) Must be formed.
[0004]
[Means for Solving the Problems]
As a means for solving the above-described conventional problems, the present invention is made of a synthetic resin plate material, and has an intermediate portion with a convex portion (4A, 4B) of the masked portion (3) or a concave portion (12, 13) fitted into the concave portion. Or a masking material (11) in which a convex part is formed and which is bent in whole or in part on the concave part (12, 13) or convex part forming side, and (3) of the masked part (3) When the masking material (11) is attached to the masked part (3) by fitting the concave part (12, 13) or convex part of the masking material to the convex part (4A, 4B) or concave part , the masking material (11) is deformed into a substantially flat, there is provided peripherally該被masking part of the masking member (11) by elastic recovery force (3) a masking material in close contact with the peripheral edge (11).
[0005]
DETAILED DESCRIPTION OF THE INVENTION
A specific example of the present invention is shown in FIGS. The masking material (11) shown in the figure is made of a synthetic resin plate vacuum molded product, and has a horizontal groove (12) and a vertical groove that fit the horizontal beam (4A) and the vertical beam (4B) of the air intake port (3, 3). Grooves (13) are formed, and flanges are not formed on the upper and lower edges (14, 15). As shown in FIG. 2, the masking material (11) is entirely bent on the lateral groove (12) forming side.
[0006]
Examples of the synthetic resin used for the masking material (11) include polyethylene, polypropylene, ethylene-propylene copolymer, ethylene-vinyl acetate copolymer, ethylene-vinyl chloride copolymer, vinyl chloride resin, and vinylidene chloride. Resin, styrene resin, acrylic resin, methacrylate resin, vinyl propionate resin, vinyl acetate-maleic acid resin, vinyl chloride-vinyl acetate resin, polyvinyl ether resin, polyester resin, polyamide resin, etc. Thermoplastic synthetic resin or foam or polyurethane foam of the above-mentioned thermoplastic synthetic resin, or polyamide (PA), polyester (PE), polyacetal (POM), polycarbonate (PC), polyethylene terephthalate (PET), polybutylene terephthalate (PBT) ), Polysulfone (PSF), Polyethersulfone (PES), Polyphenylene oxide (PPO), Polyphenylene sulfide (PPS), Polyarylate (PAR), Polyetheretherketone (PEEK), Polyamideimide (PAI), Polyimide (PI), Poly Fluororesin such as ether imide (PEI), polyamino bismaleimide, methyl pentene copolymer (TPX), cellulose acetate (CA), polyallyl ether, polytetrafluoroethylene (PTFE), amorphous polymer, polyamino bismaleimide, bismaleimide-triazine Engineering plastics such as aromatic thermosetting polyimides, or polymer alloys of the above engineering plastics with other thermoplastics such as PPO High impact polystyrene polymer alloy, PPO-polyamide polymer alloy, PE-high impact polystyrene polymer alloy, PE-polyamide polymer alloy, nylon-modified polyolefin polymer alloy, nylon-acrylonitrile / styrene / butadiene copolymer (ABS) polymer alloy, nylon -PPO polymer alloy, POM-thermoplastic polyurethane polymer alloy, PBT-acrylic rubber polymer alloy, PBT-ABS polymer alloy, PBT-polyester ether elastomer polymer alloy, PBT-PET polymer alloy, PBT-PC polymer alloy, PPO-PTFE polymer Alloy, PBT-PTFE polymer alloy, PET-PTFE polymer alloy, PET-PAR polymer alloy, C-PTFE polymer alloy, PAR-PTFE polymer alloy, nylon -PTFE polymer alloy or the like. One or more of the above synthetic resins may be mixed.
[0007]
Examples of the synthetic resin include calcium carbonate, magnesium carbonate, barium sulfate, calcium sulfate, calcium sulfite, calcium phosphate, calcium hydroxide, magnesium hydroxide, aluminum hydroxide, magnesium oxide, titanium oxide, iron oxide, zinc oxide, and alumina. , Silica, diatomaceous earth, dolomite, gypsum, talc, clay, asbestos, mica, glass fiber, carbon fiber, calcium silicate, bennite, white carbon, carbon black, iron powder, aluminum powder, stone powder, blast furnace slag, fly ash , Inorganic fillers such as cement and zirconia powder, natural fibers such as cotton, hemp, and wool, polyamide fibers, polyester fibers, acrylic fibers, viscose fibers, acetate fibers, vinyl chloride fibers, vinylidene chloride fibers and other organic synthetic fibers, asbestos Add reinforcing materials such as organic fillers such as fiber, glass fiber, carbon fiber, ceramic fiber, metal fiber, whisker, etc., linter, linen, sisal, wood flour, palm flour, walnut flour, starch, wheat flour, etc. Thus, shape retention, dimensional stability, compression and tensile strength may be improved. The filler is usually added in an amount of about 0.5 to 200% by weight based on the synthetic resin material of the masking material. Furthermore, for masking site identification, it may be colored and color-coded with pigments or dyes, and also plasticizers such as DOP and DBP, antioxidants, antistatic agents, crystallization accelerators, flame retardants, flame retardants Insect repellents, preservatives, waxes, lubricants, anti-aging agents, UV absorbers, foaming agents such as chemical foaming agents or capsule-type foaming agents may be added. These components may be added singly or in combination of two or more.
[0008]
When painting an automobile, the masking material (11) fits the horizontal groove (12) and the vertical groove (13) to the horizontal beam (4A) and the vertical beam (4B) of the air intake (3, 3), respectively. Thus, two masking materials (11, 11) are attached to the air intake port (3). In this way, the length of the masking material (11) is shortened and easy to handle, and vacuum forming is also facilitated.
[0009]
As shown in FIG. 4, an engagement convex portion (16) is provided at a predetermined position of the lateral groove (12) of the masking material (11), and the engagement convex portion (16) is formed in the air intake port (3 ) Is engaged with the flange (4C) at the rear edge of the horizontal beam (4A) to ensure the attachment of the masking material (11).
[0010]
As described above, the masking material (11) is generally bent on the side where the lateral groove (12) is formed, but in a state where the masking material (11) is attached to the air intake port (3), it is substantially planar. The upper and lower edges (14, 15) of the masking material (11) are brought into close contact with the upper and lower peripheral edges of the air inlet (3) by the elastic recovery force generated at this time, and thus the air inlet (3) The masking is surely performed.
[0011]
5 and 6 show other specific examples. On one side of the masking material (21) shown in the figure, a ridge (22) is formed, and on the other side, a handle (23) is formed, and the masking material (21) is on the side on which the ridge (22) is formed. It is generally folded.
The masking material (21) is attached to a masked portion (25) having a groove (24). At this time, as shown in FIG. 6, the ridges (22) of the masking material (21) are attached to the masked portion. Fits into the groove (24) of (25). The masking material (21) is deformed into a planar shape when attached, and the upper and lower edges of the masking material (21) are brought into close contact with the masked portion (25) by the elastic recovery force generated at this time.
[0012]
Other than the above specific example, in the present invention, as shown in FIG. 7, only the upper and lower ends of the masking material (11) shown in FIG. 2 may be bent toward the side where the lateral grooves (12) are formed. Further, only the upper and lower edges (14, 15) of the masking material (11) shown in FIG. 2 may be bent on the side where the lateral grooves (12) are formed.
[0013]
【The invention's effect】
Therefore, in the present invention, the masking material can be completely brought into close contact with the masking portion by a very simple means of simply bending the masking material.
[Brief description of the drawings]
1 to 4 show a specific example of the present invention.
FIG. 1 is a perspective view for explaining a masking material. FIG. 2 is a sectional view for explaining before a masking material is attached. FIG. 3 is a sectional view for explaining after a masking material is attached. An example is given.
FIG. 5 is a perspective view of the masking material. FIG. 6 is a sectional view of the masking material after installation. FIG. 7 is a sectional view of another specific example. FIG. State explanation sectional view 【Explanation of symbols】
11,21 Masking material
12 Horizontal groove (recess)
13 Vertical groove (concave)
3 Air intake (masked part)
4A Horizontal beam (convex part)
4B Vertical beam (convex part)
22 Projections (convex parts)
24 groove (recess)
25 Masked part

Claims (1)

Masking synthesis an intermediate portion made of a resin sheet which is entirely or partially curved concave or convex portion is fitted to the projections or recesses of the masking portion is formed, and the concave portion or the convex portion formed side When the masking material is attached to the masked part by fitting the concave part or convex part of the masking material to the convex part or concave part of the masked part, the masking material becomes substantially planar A masking material which is deformed and has a peripheral edge of the masking material brought into close contact with the peripheral edge of the masked portion by an elastic recovery force .

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