Ice-making container
The container design addresses the issue of impurity-induced opacity and space inefficiency in conventional trays by producing clear ice and optimizing freezer space utilization.
Patent Information
- Application Number
- JP2024089527
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-11-28
AI Technical Summary
Conventional ice trays using tap water produce ice with a transparent periphery and white, opaque center due to impurities, and require large space for multiple small compartments, limiting the size and shape of ice produced.
A container with an inner cold-resistant compartment and outer insulated container, forming a long, narrow shape with a flat surface, allowing tap water to freeze from the top and enabling clear ice production for rocks glasses or divided ice for bottles.
Produces clear ice suitable for rocks glasses and long, thin ice for bottles by freezing tap water from the top, and allows efficient use of freezer space.
Smart Images

Figure 2025174765000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to an ice making vessel that uses tap water to make clear ice. [Background technology]
[0002] Conventionally, ice trays used to make ice in refrigerators using tap water have generally been shallow and made up of multiple small, regular-shaped compartments, and the ice made using these trays has a transparent periphery and a white, opaque center. [Prior art documents] [Patent documents]
[0003] [Patent Document 1] Patent Publication No. 01-181067 [Patent Document 2] Jitsuzen Showa 54-119958 [Patent Document 3] Jitsuzen Showa 49-006557 Summary of the Invention [Problem to be solved by the invention]
[0004] The following problems were encountered: (a) In addition to pure water, tap water contains impurities such as chlorine and minerals (sodium, calcium, magnesium, potassium, silicon, etc.). When ice is made from tap water, the pure water portion starts to freeze, and the portion containing impurities freezes last. Furthermore, the pure water portion freezes transparently, while the portion containing impurities freezes white and opaque, resulting in ice that is transparent on the outside and white and opaque in the center. (b) When tap water was used to make ice using a container with multiple small compartments, the ice was small and white in the center even though the outside was transparent, and it was not possible to make large blocks of ice for use in rock glasses or long, transparent ice for use in water bottles. (c) The containers formed with multiple small compartments have a large planar shape, and therefore require a large space to place the containers in the freezer compartment of a refrigerator, reducing the space available for other frozen foods. The present invention has been made to solve these problems. [Means for solving the problem]
[0005] The container has a flat surface that is just the right size for a rocks glass, and is about twice as deep as the flat surface. It has an inner ice-making container with cold-resistant properties that holds tap water, and an outer container that is large enough to fit the inner container and has thermal insulation properties that block the cold air from the freezer. The container is formed by sides and a bottom, and the top is open, making it a long, narrow vessel shape. -As an option, a cylindrical partition can be provided to divide the inner container into four parts. This is an ice making container characterized by the above. [Effects of the Invention]
[0006] (i) When tap water is poured into the inner container, the outer container has insulating properties, blocking the cold air from the sides and bottom. Only the open top surface comes into direct contact with the cold air, and the water gradually begins to freeze from the top. As a result, the upper half of the container becomes transparent, and the lower half becomes opaque white ice around the center. (b) By removing the ice from the inner container and cutting off the white, opaque frozen part with a knife or ice pick, you can make a clear block of ice that is just the right size for a rocks glass, even from tap water. (c) Furthermore, by using a cylindrical divider that divides the inner container into four parts, it becomes possible to make clear ice of a long, thin size that is just right for putting in a water bottle. [Brief explanation of the drawings] [Figure 1] FIG. 1 is a plan view of the present invention. [Figure 2] FIG. 1 is a front view of the present invention. [Figure 3] FIG. 2 is a left side view of the present invention. [Figure 4] FIG. 2 is a right side view of the present invention. [Figure 5] FIG. 2 is a rear view of the present invention. [Figure 6] FIG. 2 is a bottom view of the present invention. [Figure 7] FIG. 2 is a cross-sectional view of the present invention taken along line AA. [Figure 8] FIG. BB cross-sectional view of the present invention. [Figure 9] FIG. 1 is a cross-sectional view of the present invention. [Figure 10] FIG. 2 is a plan view of the present invention. [Figure 11] FIG. 2 is a cross-sectional view of the present invention. [Figure 12] FIG. 1 is an E-E cross-sectional view of the present invention. [Figure 13] FIG. 2 is a cross-sectional view of the present invention. DETAILED DESCRIPTION OF THE INVENTION
[0008] Hereinafter, an embodiment of the present invention will be described. (i) The flat surface is just the right size for a rocks glass, and the depth is about twice the size of the flat surface. It is equipped with an inner container (2) that can withstand cold and holds tap water, and an outer container (1) that has heat insulation properties to block the cold air from the freezer and is large enough to fit the inner container. (b) Place the inner container (2) into the outer container (1), pour in tap water, and place in the freezer compartment of the refrigerator to make ice. (c) When ice is made, the entire upper half and the outer periphery of the lower half become transparent frozen ice (3), while the center of the lower half becomes opaque white frozen ice (4). (d) Remove the ice from the inner container (2) and cut off the opaque, white ice (4) with a knife or ice pick to create a transparent block of ice just the right size for a rocks glass. (e) By using a cylindrical divider (5) that divides the inner container (2) into four parts and making ice in the same way, you can make clear ice that is just the right size to put in a water bottle. [Explanation of symbols]
[0009] 1 Outer container 2 Inner container 3. Transparent frozen ice 4. White, opaque frozen ice 5. A cylindrical partition that divides the container into four sections
Claims
[Claim 1] This ice making container is characterized by having an inner container that is just the right flat size for a rocks glass and is about twice as deep as the flat size, has cold-resistant properties and is for holding tap water, and an outer container that is heat-insulating to block cold air from the freezer and is large enough to fit the inner container, each container being formed with sides and a bottom, an open top, and a vertically long, narrow shape, and optionally has a cylindrical partition that divides the inner container into four parts.
Citation Information
Patent Citations
JP1974006557U
JP1979119958U
Ice making vessel
JP1989181067A