JPS6157269A - Rapid repairing method in site for damage of vinyl chloride resin coated steel plate and polymer coated plywood - Google Patents

Abstract

PURPOSE:To rapidly rapair a vinyl chloride resin coated steel plate or polymer coated plywood in the site, by building up a putty, to which color preparation was applied, to a damage part, to which substrate treatment was applied, and finishing the putty layer by drying under heating. CONSTITUTION:Substrate treatment is applied to a damaged, corroded and discolored part by sand paper or a thinner. Next, a putty prepared by mixing a putty main agent and a curing agent is built up on the treated part and hot air is sprayed to the putty layer for a short time by a torch lamp or dryer to dry and finish the same under heating. By this method, repairing is performed rapidly in the site.

Description

[Detailed Description of the Invention] Conventionally, PVC steel plates, PVC resin sashes, plastic resin sashes, and polyplywood boards used for construction parts or household furniture have been widely used, but they are delicate materials. Therefore, damage, corrosion, or discoloration may occur during transportation, during construction, or after construction, and repairs may require time and money to be transported to a workshop or replaced with a new one. There were too many flaws. It is an object of this invention to quickly complete such repairs on the spot.

To describe the structure of the invention, particularly severe damage is rough-processed, and damaged, corroded, or discolored parts are treated with d1so~180.
Polish with sandpaper. Next, clean the area with lacquer thinner to finish the preparation. Next, after carefully checking whether oil, rust, etc. have been sufficiently removed, a mixture of 1 to 3 parts hardening agent to 100 parts main putty material is placed on the putty. The components of the putty are a base unsaturated polyester resin and the hardening agent is a peroxide. Normal serving time: 5 to 10 minutes at 10℃ in spring, 15 minutes.
It takes 2 to 8 minutes at ℃, 2 to 5 minutes at 28℃ in summer, 1 to 2 minutes at 32℃, 2 to 8 minutes at 20℃ in autumn, and 7 to 15 minutes at 0℃ in winter.

In the morning, if drying is delayed, use a torch lamp (eg, a butane gas torch lamp) or a hair dryer to heat the product at a temperature of 60°C or less, which is effective in accelerating drying.

After the putty has hardened, apply 15 ounces of sandpaper to the electric finishing sangu, rubber pieces, wood pieces, etc. (also serves as a ruler).
Wrap 0 to 180 and rough polish on top of the putty. Next, apply sandpaper 1280-y4oo for final polishing, and clean the surrounding surface with lacquer and thinner. The spray paint uses urethane synthetic resin and acrylic synthetic resin, and is mixed in colors such as white, red, yellow, black, and blue to match the area to be painted. Before spraying, cover with curing paper to avoid contaminating the surrounding area and spray with an air compressor.

At this time, spray perpendicularly to the surface from a position 20 to 30 meters away. The paint should be sprayed thinly 2 to 3 times until it covers the putty and scratches. After the paint is completely dry, spray it again to eliminate unevenness and finish.

When discussing the effects of the invention, it is possible to mention both the inexpensive remanufacturing of products and the reduction of labor.

Specific examples of repair items include unevenness, holes, distortions, discoloration due to chemicals in the air, etc. on doors, subpanels, panels, storage ts, units, partitions, etc. We quickly restore the appearance to like-new condition. I see, the hidden scratches on the back may remain, but they will not affect the splendor of the surface.

Secondly, repair work must avoid strong winds, rain, and humidity of over 85 degrees Celsius. Particularly when constructing high-rise buildings, it is necessary to reduce the time that workers are exposed to danger as much as possible. This invention has the effect of immediately meeting these demands.

Incidentally, it should be noted that the applicant of this invention is the same applicant as the already pending application No. 57-195823r "Efficient Repair Method for Damaged Aluminum Sash."

dispute

Claims (1)

[Claims] All types of repairable damage, corrosion, and damage to PVC steel plates and polyplywood
In order to restore discoloration to a like-new condition on the spot, we prepare the base, mix the color to match the ground color, and then heat and dry the putty using a torch, hair dryer, etc. and finish by spraying in a short time. Repair method.