KR-102964296-B1 - MAGNET ORNAMENT USING COAL SLAG AND METHOD FOR MANUFACTURING THE SAME

Abstract

The present specification aims to provide a magnet ornament made of pumice stone and a method for manufacturing the same by selecting and utilizing pumice stone and improving durability and aesthetics through predetermined processing steps and a surface coating step.

Inventors

• 박선영
• 강희찬

Dates

Publication Date

20260512

Application Date

20250826

Claims (5)

1. S1) A step of selecting pumice stones having a specific gravity of 1.6 or higher, a diameter of 2 cm or more and 20 cm or less, and no cracks visible to the naked eye; S2) A step of washing and drying the selected pumice stone; S3) A step of leveling the bottom surface of the above pumice stone using a grinding stone; S4) A step of drilling a hole in the bottom surface of the above pumice stone to have a predetermined diameter and depth for magnet bonding; S5) A step of immersing the above pumice stone in a coating solution to coat the entire surface; and S6) The above pumice stone coated with the coating solution is subjected to room temperature for 4 to 12 hours under conditions of light intensity of 10 lux or less. Includes a drying step; and A method for manufacturing a magnet ornament, wherein the coating solution comprises (a) 5% by weight of a waterproofing agent containing a water-soluble silane compound, (b) 15% by weight of a topcoat containing a water-soluble acrylic compound, and (c) 80% by weight of purified water.
2. delete
3. In paragraph 1, The above abrasive stone is characterized by being an abrasive stone having a #180 mesh particle size, Method of manufacturing magnet ornaments.
4. delete
5. A magnet ornament manufactured by the manufacturing method of paragraph 1 or 3.

Description

Magnet Oranment Using Coal Slag and Method for Manufacturing the Same The following embodiments relate to a magnet ornament using pumice stone and a method for manufacturing the same. Generally, magnetic ornaments are widely used to provide decorative effects by attaching them to metal surfaces such as refrigerators, blackboards, and metal furniture, or to hold memo pads, photos, and the like. These magnetic ornaments have been produced from various materials, including wood, plastic, resin, and metal, and their aesthetics, durability, and marketability vary depending on the material and manufacturing method. Meanwhile, pumice is a material characterized by a porous structure and unique texture, broadly classified into natural pumice, which is formed naturally by volcanic activity, and coal pumice, which is formed as a byproduct during coal processing. Among these, coal pumice is a porous solid byproduct generated during the combustion or processing of coal; due to its light weight and distinctive texture, it is utilized industrially as lightweight aggregate, thermal insulation, and soil conditioner. In particular, coal pumice possesses a natural appearance due to its irregular surface and high porosity, making it worthy of decorative value as well. However, there are several limitations to directly utilizing coal pumice as a magnet ornament. First, the uneven surface of coal pumice makes it difficult to stably bond magnets. Second, due to its porous structure, coal pumice easily absorbs moisture or contaminants, which can reduce its durability. Third, the exterior of the pumice is susceptible to damage from impact or friction, which may shorten its lifespan as a decorative item. For these reasons, technical solutions to stably produce magnet ornaments from coal pumice while utilizing its unique decorative characteristics have not yet been sufficiently presented. Accordingly, the present invention aims to manufacture a magnet ornament using coal pumice, a material that was previously discarded or difficult to use as an ornament, as a raw material. In particular, by undergoing a process of flattening the bottom of the pumice, forming a magnet joint, and coating the surface, the invention aims to provide a magnet ornament with improved durability and aesthetics, as well as a method for manufacturing the same. The following drawings attached to this specification illustrate preferred embodiments of the present invention and serve to further enhance understanding of the technical concept of the present invention together with the aforementioned description; therefore, the present invention should not be interpreted as being limited only to the matters described in such drawings. FIG. 1 is a photograph of a magnet ornament manufactured according to one embodiment of the present invention. Embodiments are described in detail below. However, various modifications may be made to the embodiments, and thus the scope of the patent application is not limited or restricted by these embodiments. It should be understood that all modifications, equivalents, and substitutions to the embodiments are included within the scope of the rights. Specific structural or functional descriptions of the embodiments are disclosed for illustrative purposes only and may be modified and implemented in various forms. Accordingly, the embodiments are not limited to the specific disclosed forms, and the scope of this specification includes modifications, equivalents, or substitutions that fall within the technical concept. Terms such as "first" or "second" may be used to describe various components, but these terms should be interpreted solely for the purpose of distinguishing one component from another. For example, the first component may be named the second component, and similarly, the second component may be named the first component. When it is stated that a component is "connected" to another component, it should be understood that it may be directly connected to or coupled with that other component, or that there may be other components in between. The terms used in the embodiments are for illustrative purposes only and should not be interpreted as intended to be limiting. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as "comprising" or "having" are intended to indicate the existence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding the existence or addition of one or more other features, numbers, steps, actions, components, parts, or combinations thereof. Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by those skilled in the art to which the embodiments pertain. Terms such as those defined in commonly used dictionaries should be interpreted as having a mea