Glass molded product and method for manufacturing a glass molded product

The glass molded product with a phosphorescent member and hardening agent ensures visibility of artifacts in darkness, addressing the visibility issue and enhancing impact resistance.

JP2026095185APending Publication Date: 2026-06-10林幸男

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
林幸男
Filing Date
2024-11-29
Publication Date
2026-06-10

AI Technical Summary

Technical Problem

Existing glass molded products containing human or animal remains are not visible in darkness, which can hinder the feeling of closeness to the deceased or their pets.

Method used

A glass molded product comprising a glass body, a phosphorescent member filled with a phosphorescent agent and a hardening agent, and a lid, allowing the presence of artifacts to be perceived even in darkness.

Benefits of technology

Enables the visibility of artifacts within the glass molded product in dark conditions while providing excellent impact resistance and aesthetic variations.

✦ Generated by Eureka AI based on patent content.

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Abstract

We provide glass molded products that allow you to sense the presence of artifacts even in complete darkness. [Solution] The glass molded product comprises a glass molded product body made of glass, a phosphorescent member filled inside the glass molded product body and containing a phosphorescent agent, artifacts, and a hardening agent, and a lid that closes the opening of the glass molded product body into which the phosphorescent member is filled.
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Description

[Technical Field]

[0001] This invention relates to glass molded articles and methods for manufacturing glass molded articles. [Background technology]

[0002] Patent Document 1 describes a glass molded product containing cremated remains, wherein durability is improved by removing voids that may occur between the components of the cremated remains and the glass, and by removing substances contained in the cremated remains that may be discharged over time. [Prior art documents] [Patent Documents]

[0003] [Patent Document 1] Utility Model Registration No. 3243190 [Overview of the project] [Problems that the invention aims to solve]

[0004] Glass molded articles containing or encapsulating human or animal remains have been known for some time. The glass molded product described in Patent Document 1 allows the relics contained within the glass molded product to be visible during the daytime or under indoor lighting, thus allowing the user to feel close to the deceased or their pets. However, in darkness, the relics contained within the glass molded product cannot be seen, which may prevent the user from feeling close to the deceased or their pets.

[0005] Therefore, the present invention has been made in view of the above problems, and aims to provide a glass molded product that allows the presence of artifacts to be perceived even in darkness. [Means for solving the problem]

[0006] A glass molded product according to an aspect of the present invention comprises a glass molded product body made of glass, a phosphorescent member filled inside the glass molded product body and containing a phosphorescent agent, a material, and a hardening agent having phosphorescent properties, and a lid portion that closes the opening of the glass molded product body into which the phosphorescent member is filled. [Effects of the Invention]

[0007] The present invention provides a glass molded product that allows the presence of artifacts to be perceived even in darkness. [Brief explanation of the drawing]

[0008] [Figure 1] This is an external view of a glass molded product according to an embodiment of the present invention. [Figure 2] This is a flowchart illustrating a method for manufacturing a glass molded product according to an embodiment of the present invention. [Modes for carrying out the invention]

[0009] (Glass molded product 1) Hereinafter, a glass molded product 1 according to an embodiment of the present invention will be described in detail with reference to Figure 1. Here, Figure 1 is an external view of a glass molded product according to an embodiment of the present invention.

[0010] However, the present invention is not limited by this embodiment. Furthermore, the components in the following embodiments include those that are easily substituted or substantially identical to those that are easily substituted by those skilled in the art.

[0011] As shown in Figure 1, the glass molded product 1 according to an embodiment of the present invention comprises a glass molded product body 2, a phosphorescent member 3, and a lid portion 4.

[0012] Examples of glass molded products 1 include ornaments or personal accessories. Examples of personal accessories include pendants, necklaces, bracelets, earrings, piercings, and rings. The form of the glass molded article 1 of the present invention is not particularly limited, but from the viewpoint of achieving the effects of the present invention, it is preferably an ornament, more preferably a pendant, a necklace, a bracelet, an earring, a piercing, or a ring, and still more preferably a necklace.

[0013] (Glass molded article body 2) The glass molded article body 2 is molded from glass. Examples of the glass for molding the glass molded article body 2 include soda glass, lead glass, borosilicate glass, quartz glass, crystallized glass, and other functional glasses. The glass of the present invention is not particularly limited, but from the viewpoints of translucency and strength, quartz glass is preferred.

[0014] From the viewpoint of aesthetics, the glass for molding the glass molded article body 2 preferably contains colored glass. Thereby, a colored portion can be formed on a part or all of the glass molded article body 2.

[0015] Examples of the color of the colored glass include purple, blue, light blue, green, yellow, brown, red, magenta, pink, black, white, milky white, or a combination thereof.

[0016] Examples of the colorant contained in the colored glass include an agent containing metal ions, non-metal ions, or metal colloids. For example, one or more selected from the group consisting of manganese, copper, cobalt, chromium, iron, uranium, silver, nickel, cadmium, sulfur, selenium, neodymium, calcium fluoride, sodium fluoride, and calcium phosphate can be mentioned.

[0017] From the viewpoint of aesthetics, the glass for molding the glass molded article body 2 preferably further contains colorless glass. A color gradation can be formed on a part or all of the glass molded article body 2.

[0018] The glass molded product body 2 has a hollow shape with a cavity formed inside. This allows the phosphorescent material 3, which will be described later, to be filled into the glass molded product body 2.

[0019] Examples of external shapes for the glass molded product body 2 include spheres, ellipsoids, polyhedra, cones, pyramids, cylinders, prisms, tooth shapes, teardrop shapes, star shapes, heart shapes, and the like. The external shape of the glass molded product body 2 of the present invention is not particularly limited, but from the viewpoint of evoking the image of a deceased person or animal, a tooth shape, teardrop shape, star shape, or heart shape is preferred, a tooth shape, teardrop shape, or heart shape is more preferred, and a tooth shape is even more preferred.

[0020] Teeth used for tooth profiles include human or animal teeth, specifically upper and lower incisors, canines, or molars, and more specifically, upper and lower central incisors, lateral incisors, canines, first premolars, second premolars, first molars, second molars, third molars, or deciduous molars.

[0021] (Luminous material 3) The phosphorescent member 3 contains a phosphorescent agent, artifacts, and a phosphorescent agent that have phosphorescent properties. A phosphorescent material is a substance that absorbs and stores light, such as ultraviolet or visible light contained in sunlight or artificial light, when exposed to it, and continues to emit light even after the light exposure stops, i.e., in the dark (phosphorescent property).

[0022] Examples of phosphorescent agents include sulfide-based phosphorescent agents, zinc sulfide-based phosphorescent agents, silicate-based phosphorescent agents, and aluminate-based phosphorescent agents. Examples of sulfide-based phosphorescent agents include CaS:Bi, CaSrS:Bi, and ZnCdS:Cu. Examples of zinc sulfide-based phosphorescent agents include ZnS:Cu. Examples of silicate-based phosphorescent agents include Sr2MgSi2O7:Eu,Dy. Examples of aluminate-based phosphorescent agents include GMg2Al 16 O 27 :Eu,GMg2Al 16 O 27 :Eu,Mn,GMg2Al 10 O 17 :Eu,GMg2Al 10 O 17: Eu, Mn, SrAl2O4:Eu, SrAl2O4:Eu, Dy, Sr4Al 14 O 25 :Eu, Sr4Al 14 O 25 :Eu, Dy, CaAl2O4:Eu, Nd, etc. may be mentioned. However, G is Sr and / or Ba.

[0023] The phosphorescent agent may be used alone or in combination of two or more.

[0024] The phosphorescent agent may contain a colorant. As the colorant, known ones can be used. The colors emitted by the phosphorescent agent containing the colorant include orange, yellow, yellow-green, green, blue, light blue, white, red, purple, or combinations thereof.

[0025] Relics mean things left by deceased humans or animals. From the viewpoint of ease of processing, the relics of the present invention are preferably bones, ashes, hair, hair, or nails, and more preferably bones or ashes. Note that ashes mean the bones that have become ash-like when the body is cremated. The ashes may be those obtained by pulverizing the bones into powder. The relics may be used alone or in combination of two or more.

[0026] The curing agent is contained to fill the cavity formed inside the glass molded product body 2 and cure the phosphorescent member 3. Examples of the curing agent include resins and gypsum.

[0027] Examples of the resin include thermoplastic resins and thermosetting resins. Examples of the thermoplastic resin include polyethylene resin, polypropylene resin, polyamide resin, polyacetal resin, polybutylene terephthalate resin, polyethylene terephthalate resin, polyethylene sulfide resin, polyvinyl chloride resin, polystyrene resin, ABS resin, AS resin, methacrylic resin (PMMA), polycarbonate resin, etc. Examples of the thermosetting resin include phenol resin, urea resin, melamine resin, polyurethane resin, epoxy resin, etc.

[0028] Examples of gypsum include calcined gypsum (hemihydrate gypsum), dihydrate gypsum, and anhydrous gypsum. Examples of calcined gypsum include α-type gypsum and β-type gypsum. α-type gypsum preferably contains 95% by mass or more of calcium sulfate and may also contain S, FeO2, or other impurities.

[0029] As the curing agent of the present invention, gypsum is preferred from the viewpoint of suppressing shrinkage during curing and reducing the risk of fracture of the glass molded product body 2 by not creating a microspace between the cavity formed inside the glass molded product body 2 and the phosphorescent member 3 after curing. Calcined gypsum is more preferred from the viewpoint of short curing time and impact resistance, and α-type gypsum is even more preferred.

[0030] If the hardening agent is gypsum, it is preferable that the phosphorescent member 3 further contains water in order to harden the gypsum. Examples of water include tap water, hydrogen water, natural water, purified water, reduced water, electrolyzed water, oxygenated water, raw water, deep-sea water, alkaline ionized water, and carbonated water. Examples of purified water include ion-exchanged water, ultrapure water, RO water, and distilled water. Examples of raw water include mineral water, mineral spring water, deep well water, shallow well water, groundwater, spring water, and hot spring water. The water used in this invention is not particularly limited, but from the viewpoint of availability, tap water, natural water, purified water, or raw water are preferred.

[0031] The mass ratio (phosphorescent agent / artifact / hardener) of the phosphorescent agent, artifact, and hardener in the phosphorescent member 3 is preferably 0.8 to 1.2 / 0.8 to 1.2 / 0.8 to 1.2, more preferably 0.9 to 1.1 / 0.9 to 1.1 / 0.9 to 1.1, and even more preferably 1.0 / 1.0 / 1.0, from the viewpoint of achieving both phosphorescence and strength. In other words, the content of the phosphorescent agent, artifact, and hardener in the phosphorescent member 3 is preferably substantially the same, and more preferably the same.

[0032] In the phosphorescent member 3, when the hardening agent is gypsum, the water content relative to the total content of the phosphorescent agent, artifacts, and gypsum is preferably 10% by mass or more and 30% by mass or less, more preferably 15% by mass or more and 25% by mass or less, and even more preferably 18% by mass or more and 22% by mass or less.

[0033] The phosphorescent material 3 may appropriately contain additives such as curing accelerators, water-reducing agents, foaming agents, defoaming agents, preservatives, antibacterial agents, fillers, and pH adjusters, to the extent that it does not impair the objectives of the present invention.

[0034] (Lid part 4) The lid portion 4 closes the opening of the glass molded product body 2 into which the phosphorescent material 3 is filled. The material of the lid 4 is not particularly limited, but from an aesthetic point of view, metal is preferred, precious metal is more preferred, and one or more selected from the group consisting of gold, silver, platinum, palladium, rhodium, ruthenium, osmium, and iridium is even more preferred.

[0035] The shape of the lid portion 4 is not particularly limited as long as it can close the opening of the glass molded product body 2 into which the phosphorescent member 3 is filled. However, from the viewpoint of closure and aesthetics, a spherical shape, ellipsoidal shape, polyhedron shape, approximately conical shape, approximately pyramidal shape, approximately cylindrical shape, and approximately prism shape are preferred, with an approximately conical shape being more preferred.

[0036] Preferably, the lid portion 4 is provided with a through hole that penetrates approximately parallel to the closing surface that closes the filling opening of the glass molded product body 2. This allows, for example, if the glass molded product 1 is in the form of a necklace, a chain for hanging it around the user's neck to be attached.

[0037] (Method for manufacturing glass molded product 1) Next, the method for manufacturing the glass molded product 1 will be described in detail based on Figure 2. Here, Figure 2 is a flowchart showing an example of a method for manufacturing a glass molded product according to an embodiment of the present invention.

[0038] As shown in Figure 2, the manufacturing method for the glass molded product 1 includes the steps of: making a wax model for the glass molded product body (step S101); burning the wax model for the glass molded product body to make a mold for the glass molded product body (step S102); casting the glass molded product body 2 using the mold for the glass molded product body (step S103); filling the inside of the cast glass molded product body 2 with a phosphorescent member 3 (step S104); and closing the opening of the glass molded product body 2 into which the phosphorescent member 3 has been filled (step S105).

[0039] Step S101 involves creating a wax model for the glass molded product body. Step S101 consists of the following four steps: (1) Take a primary impression using silicone impression material. (2) Pour plaster into the primary impression to create a preservation model. (3) Take a secondary impression using silicone impression material based on the preservation model. (4) Create a wax model for the glass molded product body based on the secondary impression.

[0040] In step S101, the silicone impression material is not particularly limited, but a dental silicone impression material used in dental applications is preferred. Any known dental silicone impression material can be used.

[0041] In step S101, the gypsum is not particularly limited, but calcined gypsum (hemihydrate gypsum) is preferred. Commercially available calcined gypsum (hemihydrate gypsum) can also be used. Specific examples of commercially available calcined gypsum (hemihydrate gypsum) include "New Fuji Rock White" manufactured by GC Corporation.

[0042] In step S101, the wax used for the wax model of the glass molded product body is not particularly limited, but casting wax used in the lost-wax method is preferred. Commercially available casting wax can also be used as the casting wax. Specific examples of commercially available casting wax include "MDL Casting Wax" manufactured by Sandental Co., Ltd.

[0043] In step S102, the wax model for the glass molded product body is incinerated to create a mold for the glass molded product body. Step S102 consists of the following three steps: (1) The wax model for the glass molded product body is fixed to a predetermined base. (2) Plaster is poured into a container to which a predetermined cylindrical body is attached to the predetermined base on which the wax model for the glass molded product body is fixed. (3) The container into which the plaster for embedding has been poured is heated with a heating device to incinerate the wax model for the glass molded product body and create a mold for the glass molded product body.

[0044] In step S102, the gypsum is not particularly limited, but investment gypsum is preferred. Commercially available investment gypsum can also be used. Specific examples of commercially available investment gypsum include "Cristobalite FF-Ex" manufactured by Kuraray Noritake Dental Co., Ltd.

[0045] In step S102, the heating device is not particularly limited as long as it has a heating function, but an electric furnace is preferred, and an electric furnace for cloisonné is more preferred.

[0046] In step S103, the glass molded product body 2 is cast using a mold for the glass molded product body obtained by burning the wax model for the glass molded product body. Step S103 consists of the following three steps: (1) Filling the mold for the glass molded product body with colored glass powder. (2) Filling the mold for the glass molded product body with uncolored glass melted in a heating device. (3) Removing the glass molded product body 2 from the mold for the glass molded product body.

[0047] In step S103, the glass molded product body 2, which has been removed from the mold for the glass molded product body, may be modified in shape or polished on the surface as needed.

[0048] In step S104, the phosphorescent material 3 is filled into the interior of the cast glass molded product body 2. Step S104 consists of the following five steps: (1) A cavity is formed inside the glass molded product body 2. (2) The phosphorescent material, artifact, and hardener are mixed to produce the phosphorescent material 3. (3) If the hardener is gypsum, water is mixed with the mixture of phosphorescent material, artifact, and gypsum to produce the phosphorescent material 3. (4) The phosphorescent material 3 is filled into the cavity formed inside the glass molded product body 2. (5) The glass molded product body 2 is left undisturbed at room temperature until the filled phosphorescent material 3 hardens.

[0049] The phosphorescent agent in step S104 is not particularly limited, but zinc sulfide-based phosphorescent agents or aluminate-based phosphorescent agents are preferred. Commercially available phosphorescent agents can also be used. Examples of commercially available phosphorescent agents include "Phosphorescent Powder (Violet, Red, Blue, Green)" manufactured by GP Pro Co., Ltd.

[0050] The hardening agent in step S104 is not particularly limited, but gypsum is preferred, and calcined gypsum (hemihydrate gypsum) is more preferred. Commercially available calcined gypsum (hemihydrate gypsum) can also be used. Specific examples of commercially available calcined gypsum (hemihydrate gypsum) include "New Fuji Rock White" manufactured by GC Corporation. If the hardening agent in step S104 is gypsum, the phosphorescent agent, artifact, gypsum, and water can be easily degassed by using a vibrator, thereby improving the handling of the phosphorescent component 3.

[0051] In step S105, the opening of the glass molded product body 2 into which the phosphorescent material 3 is filled is closed. Step S105 consists of the following five steps: (1) A wax model for the lid is made. (2) The wax model for the lid is fixed to a predetermined base. (3) Plaster is poured into a container into which a predetermined cylinder is attached to the predetermined base on which the wax model for the lid is fixed. (4) The container into which the plaster for embedding has been poured is heated with a heating device and the wax model for the lid is incinerated to make a mold for the lid. (5) The lid 4 is cast and polished based on the mold for the lid. (6) The lid 4 is bonded to the opening of the glass molded product body 2.

[0052] Although embodiments of the present invention have been described above, the embodiments of the present invention are not limited to these, and various modifications are possible within the scope of the gist of the embodiments of the present invention.

[0053] (effect) An embodiment of the present invention provides a glass molded product 1 comprising a glass molded product body 2 made of glass, a phosphorescent member 3 filled inside the glass molded product body 2 and containing a phosphorescent material, an artifact, and a hardening agent, and a lid portion 4 that closes the opening of the glass molded product body 2 into which the phosphorescent member 3 is filled. This provides the effect of being able to sense the presence of the artifact even in darkness and providing a glass molded product with excellent impact resistance.

[0054] In the glass molded product 1 according to an embodiment of the present invention, the hardening agent is gypsum. This has the effect of suppressing shrinkage during hardening and reducing the risk of fracture of the glass molded product body 2 by preventing the formation of a microspace between the cavity formed inside the glass molded product body 2 after hardening and the phosphorescent member 3.

[0055] In the glass molded product 1 according to an embodiment of the present invention, the glass used to mold the glass molded product body 2 contains colored glass. As a result, a colored portion is formed on part or all of the glass molded product body 2, which has the effect of allowing the color of the phosphorescent material that emits light in the dark to vary depending on the part of the glass molded product body 2.

[0056] In the glass molded product 1 according to an embodiment of the present invention, the glass used to mold the glass molded product body 2 further contains uncolored glass. As a result, a color gradient is formed on part or all of the glass molded product body 2 by the colored glass and uncolored glass, which has the effect of allowing the color of the phosphorescent material to glow in the dark to change in a gradient depending on the part of the glass molded product body 2.

[0057] In the glass molded article 1 according to the embodiment of the present invention, the mass ratio (phosphorescent agent / artifact / gypsum) of the phosphorescent material, artifact, and gypsum in the phosphorescent member 3 is 0.8 or more and 1.2 or less / 0.8 or more and 1.2 or less / 0.8 or more and 1.2 or less. This provides the effect of providing a glass molded article that achieves both phosphorescence, the presence of the artifact, and impact resistance.

[0058] In the glass molded product 1 according to an embodiment of the present invention, the glass molded product body 2 exhibits a tooth-shaped form. As a result, the tooth-shaped form can be recognized even in darkness, thus providing the effect of being able to sense the presence of a deceased person or animal even in darkness. [Explanation of symbols]

[0059] 1. Glass molded product 2. Glass molded product body 3. Luminescent material 4 Lid

Claims

1. The glass molded product body is made of glass, A phosphorescent member containing a phosphorescent agent, artifacts, and a hardening agent, which are filled inside the glass molded product body, and which have phosphorescent properties, A lid portion that closes the opening of the glass molded product body into which the phosphorescent member is filled, A glass molded product equipped with [a specific feature].

2. The hardening agent is gypsum. The glass molded article according to claim 1.

3. The glass used to form the aforementioned glass molded product body contains colored glass. The glass molded article according to claim 1.

4. The glass used to form the aforementioned glass molded product body further contains uncolored glass. The glass molded article according to claim 3.

5. The mass ratio (phosphorescent agent / artifact / hardener) of the phosphorescent agent, artifact, and hardener in the phosphorescent member is 0.8 or more and 1.2 or less / 0.8 or more and 1.2 or less / 0.8 or more and 1.2 or less. The glass molded article according to claim 1.

6. The glass molded product body has a tooth-shaped form. The glass molded article according to claim 1.

7. The process of creating a wax model for the glass molded product body, The process involves burning a wax model for the glass molded product body to produce a mold for the glass molded product body, The process of casting the glass molded product body using a mold for the glass molded product body, The process involves filling the inside of the cast glass molded product with a phosphorescent material, A process of closing the filling opening of the glass molded product body into which the phosphorescent material is filled, A method for manufacturing a glass molded article according to any one of claims 1 to 6.