JPS6183862A - refrigerator door - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a powder coating method [the modification of a refrigerator in which the coated door is painted (printed) using an ultraviolet curable paint. It is.

[Background of the invention]

The problem with refrigerators commonly available on the market is that their surfaces are finished using powder coating methods.

This powder coating method uses paint made from finely powdered thermosetting resin, such as polyester resin or acrylic resin, and uses static electricity to attach it to the object to be coated, followed by high-temperature baking. , a 30-40/Z coating film is formed on the surface. In this case, due to the high melt viscosity of the resin used, sufficient smoothness cannot be obtained, and the baking results in unevenness, commonly called yuzu skin, on the painted surface.

One way to eliminate this yuzu skin is to increase the film thickness, but this has the disadvantage of lowering productivity and increasing costs. Additionally, a handle-like handle is usually attached to the painted door. When you hold this handle,
Since it almost always comes into contact with the previously painted surface, it is conceivable that it may damage the painted surface if used for many years. In order to prevent this, the handle portion is usually provided with a handle holding plate (decorative plate) to protect the painted surface.

Furthermore, a decorative frame was required on the side of the door to enhance the design of the egg. The addition of the handle presser plate and the decorative frame, together with the method for reducing the film thickness, continued to increase the cost of the refrigerator.

Incidentally, as an example of this type of coating means, Japanese Patent Application Laid-Open No. 52-57277
There is a number.

[Purpose of the invention]

The present invention can be easily applied in the same painting process (coating or printing can be applied to a door painted using the powder coating method) instead of the handle retainer plate or decorative frame that was conventionally attached on a separate line after painting. This improves the design effect and removes the decorative frame, handle plate, etc.

[Summary of the invention]

The front of the door, which was painted using the powder coating method, is coated with ultraviolet curable paint to make the yuzu skin, which is a disadvantage of the powder coating method, less noticeable and to reduce costs. .

[Embodiments of the invention]

The details of the present invention will be explained below with reference to an embodiment shown in the drawings.
This is the fault of the refrigerator equipped with the present invention, and this shame is due to the box-shaped can (2) made of iron plate, the packing mounting frame 3 formed by extrusion molding etc. and bent into a frame shape, the door inner plate 4, and the packing 5. , a heat insulating material 6, etc. The above-mentioned can 2 is coated by the powder coating method described in the conventional example, and a printed pattern 7 is also applied to the entire front surface of the door.

This printed pattern 7 is silk-printed on the front of the door using an ultraviolet curing paint (a paint or ink that combines a resin monomer such as polyester, acrylic, or polyurethane with a polymerizing agent that induces a radical reaction when exposed to ultraviolet light). It is.

This printing is performed after the can 2 is coated with powder coating method 1 and before the packing mounting frame and insulation material 6 are filled. 8 is the door that is used when applying the printed pattern 7 to the can 2. This door 8 is used to maintain the flatness of the can 2 by straddling the entire area of the can 2, avoiding the 7 lunges 2a. .

Therefore, in a can having this type of flange 2a, the printed pattern 7 cannot be applied to the entire front surface of the door unless the door body has the length and dimension of the flange 2a as short as possible. Can not.

The present invention is a door body with a reduced length of the 7-lunge 2a, and also uses the powder coating method (a printed pattern is applied to the entire front surface of the door body coated with a trowel, thereby eliminating the surface defects of the powder coating method). 1 to create variation in the pattern by using 5-6 μm unevenness.
It is strained.

Further, as a device on the can side, the length of the flange portion 2a of the can 2 is set near the inner rising piece 3a' forming the engagement groove 3a of the packing mounting frame.

In addition, although the above embodiment has been explained as an example in which a printed pattern is applied to the front of the door, the printing or painting of the present application is applied to areas where the painted surface is conventionally easily damaged, such as around the handle (not shown) or around the handle. The purpose is to protect the surface painted using the powder coating method on the part that is touched when closing the door, and to add a G-shaped pattern in place of a handle press plate (not shown), etc., to increase the design effect. be.

〔Effect of the invention〕

117" The front of the door is painted (printed) using ultraviolet curable paint, so Not only can a printed pattern be used as a design element in place of a conventional decorative frame, but it is also possible to add depth to the pattern by using the uneven surface of 5 to 6 m formed on the can surface. It is possible to obtain effects such as being able to connect.

In addition, in the present invention, since painting (printing) using an ultraviolet curable paint is applied to areas that are easily touched, such as the periphery of the handle attachment part, this ultraviolet curable paint is suitable for design. Not only does it replace a component, but it also protects the painted surface.

Furthermore, since the painting (printing) using ultraviolet curable paint is patterned and this pattern is applied to the entire surface of the door, it goes without saying that it can eliminate the yuzu skin that is inevitable with powder coating methods. , Is it to bring about a change in the design?
In addition, since both coatings can be applied consecutively, work efficiency is further improved.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a refrigerator door equipped with the present invention, Fig. 2 is a cross-sectional view taken along line A-A in Fig. 1, and Fig. 3 is an installation process when the printed pattern shown in Fig. 1 is applied to the surface of a can. FIG. 4 is a perspective view of a conventional refrigerator enclosure. 1... Refrigerator door, 2... Can, 3... Packing mounting frame, 3a... Engagement groove, 3a'... Inner rising piece,
4...Intrapulmonary plate, 5...Backing, 6...Insulating material, 7...Printed pattern, 8...Employment. $t(21

Claims (1)

[Claims] 1. A refrigerator door characterized in that the front surface of the door, which has been painted using a powder coating method, is painted (printed) using an ultraviolet curable paint. 2. The refrigerator according to claim 1, wherein the peripheral edge of the handle attachment portion is coated (printed) with an ultraviolet curable paint. 3. The refrigerator door according to claim 1, characterized in that the painting (printing) using an ultraviolet curable paint is patterned and the pattern is applied to the entire surface of the door.