Wooden tableware and method for manufacturing wooden tableware
Wooden tableware with a machined hardwood surface, partial waterproofing, and a smoked layer from broad-leaved or coniferous trees addresses the issue of weak and fleeting aromas, providing a robust smoked flavor experience.
Patent Information
- Application Number
- JP2025032925
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2025-11-06
- Estimated Expiration
- 2045-03-03
AI Technical Summary
Existing smoked tableware does not impart a strong and long-lasting smoked aroma, and the aroma fades quickly, failing to enhance the flavor of food effectively.
Manufacture wooden tableware with a machined hardwood or softwood inner surface, apply a resin or glass paint for partial waterproofing, and form a smoked layer using broad-leaved or coniferous trees, leaving areas without paint for enhanced smoke adherence and aroma retention.
The wooden tableware achieves a strong, long-lasting smoked aroma that permeates food, even when sealed, enhancing flavor and aroma experience.
Smart Images

Figure 0007764670000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to wooden tableware and a method for manufacturing wooden tableware. [Background technology]
[0002] Smoking is a food processing technique in which the smoke produced by heating smoking materials to high temperatures is applied to food ingredients to add flavor, and the components contained in the smoke also have sterilizing and preservative effects. This smoking technique is basically applied to food ingredients.
[0003] On the other hand, Patent Document 1 describes a technology for smoking bamboo tableware in a special atmosphere, and shows that the tableware thus formed has a faint smoked aroma that harmonizes with the aroma of the food placed on it and enhances its flavor. [Prior art documents] [Patent documents]
[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2002-18815 Summary of the Invention [Problem to be solved by the invention]
[0005] However, some smoked food enthusiasts desire to enjoy a stronger smoked aroma rather than a faint one, and to more clearly sense the differences in aroma and taste between different smoking materials. While the technology of Patent Document 1 has the advantage of allowing food to easily smell the smoked aroma simply by smoking tableware, the aroma is only faint and ultimately does not achieve the same aroma as smoked food. Furthermore, since the smoked aroma applied to tableware disappears in a relatively short period of time, there is a desire for the aroma to be maintained for a longer period of time.
[0006] The object of the present invention is to provide wooden tableware that allows the aroma of smoke (smoked food) to be felt more strongly and for a longer period of time, and a method for manufacturing such wooden tableware.
[0007] In order to solve the above problems, the wooden tableware of the present invention comprises: The main body of the dish has an inner surface made of a hardwood or softwood (excluding bamboo) with a machined surface, and the inner edge of a cross section perpendicular to a predetermined axis (extending in the height direction) is a circle with the axis as the center. A smoked layer (smoked layer) is formed on at least a part or the entire inner surface based on a smoking treatment using one or both of broad-leaved and coniferous trees (excluding bamboo) as smoking materials. At the same time, The inner surface is partially formed with a reinforced waterproof area using a resin paint or glass paint for woodworking, The smoke layer is formed at least in the area of the inner surface where the reinforced waterproof area is not formed. are.
[0008] In order to solve the above problems, the method for manufacturing wooden tableware of the present invention comprises: a cutting step in which a broad-leaved or softwood (excluding bamboo) is cut by wood turning (lathe work) to form a main part of the dish having an inner surface in which the inner edge of a cross section perpendicular to a predetermined axis (extending in the height direction) is a circle centered on the axis; a smoking step in which a smoked layer (smoked layer) is formed on at least a part or the entire inner surface by a smoking treatment (a process in which the smoking material is heated and the resulting smoke is applied) using one or both of broad-leaved trees and coniferous trees (excluding bamboo) as the smoking material; Including fruit, Between the scraping step and the smoking step, A first coating step of partially coating at least the inner surface of the tableware body with a resin paint for woodworking or a glass paint, impregnating the surface, and drying the coating to form a partial reinforced waterproof area on the inner surface; A second coating step of coating and impregnating a vegetable-based natural paint that complies with the standards of the Food Sanitation Act on at least the area of the inner surface of the tableware body where the reinforced waterproof area is not formed, and then drying the coating; In the smoking step, the smoked layer is formed at least in the area of the inner surface where the reinforced waterproof area is not formed. .
[0009] According to the above-mentioned wooden tableware and manufacturing method for wooden tableware, the tableware is formed by carving out hardwood or softwood (excluding bamboo), and smoke directly hits the carved wood surface on the inside of the tableware (including the carved wood surface painted with a natural paint), forming a smoked layer (smoked layer). The smoked layer adheres particularly stably to the carved surface of the tree used as the smoking material and to the painted surface where the carved surface has been painted with a natural paint or the like, resulting in a stronger smoked aroma that lasts longer. In contrast, these effects cannot be obtained with bamboo tableware, because the bamboo surface is not a raw wood surface carved out of a tree but a highly waterproof surface. Furthermore, this smoked layer does not emit a subtle, but extremely strong, aroma. The aroma is strong enough to leak out even when the food is sealed in a zippered plastic bag, a common food storage bag. This ensures that the smoked aroma is imparted to food served on the tableware. For example, by serving cold tofu, blanched spinach, or salted squid on such tableware, or by pouring sake or other liquids over the food, the strong smoked aroma will be infused into even food that is difficult to smoke using conventional methods, allowing you to enjoy a unique and innovative flavor.
[0010] The smoking material used in the smoking treatment may be a tree of the same genus or species as the tree of the main part of the dish. This structure allows the creation of tableware that emits both the aroma of the wood that is the source of smoking and the aroma of the wood that has been smoked. Because the two aromas are similar, the smoked aroma feels enhanced. In addition, the wood aroma also gives the tableware a homemade smoked feel.
[0011] In addition, in the above-mentioned wooden tableware, a reinforced waterproof area is partially formed on the inner surface by a resin paint or a glass paint for woodworking, The smoke layer can be formed at least in the area of the inner surface where the reinforced waterproof region is not formed (the smoke layer may be formed in the reinforced waterproof region).
[0012] Similarly, in the above-mentioned method for manufacturing wooden tableware, Between the scraping step and the smoking step, A first coating step of partially coating at least the inner surface of the tableware body with a resin paint for woodworking or a glass paint, impregnating the surface, and drying the coating to form a partial reinforced waterproof area on the inner surface; A second coating step of coating and impregnating a vegetable-based natural paint that complies with the standards of the Food Sanitation Act on at least the area of the inner surface of the tableware body where the reinforced waterproof area is not formed, and then drying the coating; In the smoking step, the smoked layer can be formed at least in an area of the inner surface where the reinforced waterproof area is not formed (a smoked layer may be formed in the reinforced waterproof area).
[0013] According to the above-described wooden tableware and manufacturing method for wooden tableware, a resin paint or glass paint is partially applied to the wood surface of the main body of the tableware, forming a partially reinforced waterproof area. This leaves the main body with an exposed surface where the wood material is exposed as is, or where the wood is exposed and coated only with natural paint. The smoked layer can form a particularly stable smoked layer (a smoked layer with a long-lasting strong fragrance) on such exposed surfaces. Therefore, rather than making the entire inner surface of the main body into a reinforced waterproof area, leaving an area that is not a reinforced waterproof area allows for both waterproofing and a strong smoked effect. For example, by making the bottom surface, which is most susceptible to liquids, into a reinforced waterproof area, and leaving the upright surface (inner peripheral surface) rising from there as a carved wood surface coated only with natural paint, wooden tableware can be manufactured that effectively obtains both waterproofing and a strong smoked effect.
[0014] In the smoking step, chips generated by cutting in the cutting step can be used as the smoking material. This allows for effective use of the chips generated during cutting, eliminating waste. [Brief explanation of the drawings]
[0015] [Figure 1]1 is a perspective view showing wooden tableware according to a first embodiment. [Figure 2] Central cross section of Figure 1. [Figure 3] 2 is a central cross-sectional view illustrating a method for manufacturing the wooden tableware of FIG. 1. FIG. [Figure 4] FIG. 4 is a cross-sectional view showing a simplified example of a manufacturing apparatus used in the manufacturing method of FIG. 3. [Figure 5] FIG. 10 is a perspective view showing the wooden tableware of the second embodiment. [Figure 6] Central cross-sectional view of Figure 5. [Figure 7] FIG. 10 is a perspective view showing the wooden tableware of the third embodiment. [Figure 8] Central cross-sectional view of Figure 7. [Figure 9] FIG. 10 is a perspective view showing the wooden tableware of the fourth embodiment. [Figure 10] Central cross-sectional view of Figure 9. [Figure 11] An enlarged cross-sectional view showing a first modified example of the smoking layer. [Figure 12] An enlarged cross-sectional view showing a second modified example of the smoking layer. DETAILED DESCRIPTION OF THE INVENTION
[0016] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[0017] 1 and 2, the wooden tableware 1 of this embodiment comprises a tableware main body 10 having an inner surface 1a that is a machined surface 1a made of hardwood or softwood (excluding bamboo), and the inner edge of a cross section perpendicular to a predetermined axis Z extending in the height direction is a circle centered on the axis Z. A smoke layer 5 is formed on at least a part (partial region) or the entirety (entire region) of the inner surface 1a of the tableware main body 10 by a smoking process using one or both of hardwood and softwood (excluding bamboo) as smoking materials 6 (so-called smoking chips, etc.).
[0018] Hardwoods include cherry (including Yamazakura and Somei-Yoshino), beech, oak, walnut, hickory, apple, maple, Quercus serrata, alder, oak (including bourbon oak and whiskey oak), maple, and mandarin. These hardwoods are known for their use as smoking materials.
[0019] Conifers include ginkgo, cypress, pine, and cedar trees. These conifers are known for their use as smoking materials.
[0020] The main body 10 of the present embodiment is carved from one of these trees. The smoked layer 5 formed on the main body 10 is formed by a smoking process using one or more of these trees as the smoking material 6.
[0021] In this embodiment, the smoking material 6 used in the smoking treatment is a tree of the same species or genus as the tree of the tableware main body 10. The wooden tableware 1 of this embodiment can be, for example, a tableware main body 10 carved from a cherry tree, and a smoke layer 5 formed by smoking the tableware main body 10 using cherry tree as the smoking material 6.
[0022] In addition, the inner surface 1a of the tableware body 10 of this embodiment is partially coated with an artificial paint 3, such as a resin paint for woodworking or a glass paint, which is impregnated and dried to form a partial reinforced waterproof region 3a on the inner surface 1a. The smoked layer 5 is formed at least in a region 4a (see FIG. 3(c)) of the inner surface 1a excluding the reinforced waterproof region 3a. The region 4a exposes the shaved surface of the tree from which the tableware body 10 is made (coated with a natural paint 2, described below), making it easy for the smoked layer 5 to adhere.
[0023] The smoked layer 5 here is formed continuously on the inner surface 1a, spanning from the reinforced waterproof region 3a to the region 4a excluding the reinforced waterproof region 3a.
[0024] Moreover, the smoke layer 5 here is formed on the bottom surface 1a2 and the vertical surface 1a1 (inner peripheral surface) of the inner surface 1a.
[0025] A method for manufacturing the wooden tableware 1 will now be described.
[0026] (S1: Cutting step) First, as shown in FIG. 3(a), a hardwood or softwood (excluding bamboo) is prepared as the material for the wooden tableware 1, and a cutting step S1 is performed in which the wood is rotated at high speed using a wood turning machine while a blade is applied to the wood to cut out the main body 10 of the tableware. This cutting process forms an inner surface 1a in which the inner edge of a cross section perpendicular to a predetermined axis Z extending in the height direction is circular with the axis Z as its center, and also forms an outer surface 1b, forming the main portion 10 of the dish. Furthermore, while rotating the dish main body 10 at high speed, the machined surfaces (inner surface 1a and outer surface 1b) are polished with sandpaper or the like. As a result, the dish main part 10 shown in FIG. 3(a) is formed.
[0027] (S2: First painting step) Next, as shown in Fig. 3(b), a first painting step S2 is performed in which at least the inner surface 1a of the tableware main body 10 of Fig. 3(a) is partially painted with an artificial paint such as a resin paint for woodworking or a glass paint for the purpose of preventing water leakage, and then dried to form a partial reinforced waterproof portion 3 in the tableware main body 10. Note that the reinforced waterproof portion 3 is not formed in the area not painted with the artificial paint. With respect to the inner surface 1a, the surface painted with the artificial paint forms a reinforced waterproof region 3a, and the surface not painted with the artificial paint becomes an area 4a where the reinforced waterproof region 3a is not formed. Specifically, an artificial paint such as a resin paint for woodworking or a glass paint is prepared and applied to a portion of the inner surface 1a of the main body 10 of the dish with a brush, or by soaking a piece of cloth in the paint and wiping it on, allowing it to soak into the wood. Here, the entire outer surface 1b is also painted in the same way, and only the bottom surface 1a2 of the inner surface 1a is painted (the upright surface 1a1 is not painted). This painting is done once or multiple times. After painting, wipe off any excess paint and allow to dry for the required time. Artificial paints are for wood and can be urethane resin paints that use thinner as a solvent, or glass paints that use alcohol as a solvent and are primarily made of silicon dioxide. These artificial paints can be mixed with a sealant to increase their waterproofing, or they can be mixed with a coating agent to form a film (waterproof layer) on the painted surface. This forms the tableware main body 10 shown in Figure 3(b). The reinforced waterproof part 3 in Figure 3(b) is an area impregnated with artificial paint, and has higher waterproof performance than the protective part 2, which is an area impregnated with natural paint, which will be described later.
[0028] (S3: Second painting step) Next, as shown in Fig. 3(c), a second painting step S3 is carried out in which a natural vegetable paint that complies with the standards of the Food Sanitation Act is applied to at least the inner surface 1a of the main body 10 of Fig. 3(b) to protect the wood, and the paint is then dried to form a protective area 2 on the main body 10 to protect the wood from moisture, etc. In terms of the inner surface 1a, a protective area 2a is formed in the exposed area 4a of the reinforced waterproof area 3a of Fig. 3(b). Specifically, natural paint is prepared and applied with a brush to the non-formed area 4a of the reinforced waterproof area 3a (see Figure 3(b)) on the inner surface 1a of the main body 10 of the dish, or by soaking a piece of cloth in the paint and wiping it over the area, allowing it to soak into the wood. This application can be done one or more times. After painting, wipe off any excess paint and allow to dry for the required time. The natural paint may be, for example, a natural vegetable oil (drying oil) or a natural wood paint. Specifically, it may be an edible drying oil such as perilla oil or linseed oil, or a natural paint such as beeswax. This forms the main body 10 of the dish shown in Fig. 3(c). The protective part 2 in Fig. 3(c) shows the area impregnated with natural paint, which here covers almost the entire inside of the main body 10 of the dish (to the extent that it is not exposed on the surface of the reinforced waterproof area 3a), protecting the wood material from water etc.
[0029] (S4: Smoking step) Finally, as shown in Figure 3(d), a smoking step S4 is performed in which a smoked layer 5 (smoked layer) is formed by smoking a part or all of the inner surface of the main part of the dish shown in Figure 3(c) by heating broadleaf or coniferous wood (excluding bamboo) as smoking material 6 and exposing it to the smoke produced at that time. Specifically, as shown in FIG. 4, smoking material 6 made of hardwood or softwood (excluding bamboo) is placed on heat transfer body 11 (e.g., made of metal) and heated by heating means 15 (e.g., a gas burner). This causes smoking of smoking material 6. A heat-resistant body 13 (here, a lid 13A for heat transfer body 11 with holes 14 and a heat-resistant cylindrical base 13B placed on top of it) with holes 12 is placed on heat transfer body 11, and the dish main body 10 is placed on heat-resistant body 13 so as to cover hole 12 from the outside. When smoking material 6 is smoked, smoke passes through holes 12 and strikes inner surface 1a of dish main body 10. Reinforced waterproof region 3a and non-waterproof region 4a are formed on inner surface 1a. Region 4a is not waterproofed with artificial paint and is the exposed, moist wood surface (the portion coated with natural paint), so smoke easily penetrates, easily forming a fragrant smoke layer 5. In this embodiment, the smoking material 6 used for the smoking treatment is a tree of the same species or genus as the tree of the main body 10 of the dish. This completes the dish main part 10 shown in FIG. 3(d).
[0030] The smoke layer 5 gradually decreases with use of the tableware, and the smoking effect declines. Therefore, by performing the smoking step S4 in Fig. 3(d) as maintenance, the smoke layer 5 is re-formed, and the smoking effect can be obtained again.
[0031] In this manufacturing method, a manufacturing apparatus 100 for manufacturing wooden tableware shown in Fig. 4 is used. This manufacturing apparatus 100 is a smoking apparatus for performing the smoking step S4 shown in Fig. 3(d), A heating unit (heating means 15), a heat transfer section (heat transfer body 11) in which the smoking material (6) is placed and which is heated by a heating section (heating means 15) to smoke the smoking material (6); a smoke exhaust section (heat-resistant body 13) that is arranged (placed) on the heat transfer section (heat transfer body 11) in a manner that covers the smoking material 6 so as to retain the smoke generated when the smoking material 6 is smoked inside, and that has a smoke exhaust hole (hole 12) formed (for example, on the top surface) through which the smoke generated from the smoking material 6 passes (for example, in the vertical direction Z0 in the top surface section (13c)), and that allows the wooden tableware 1 (tableware main body 10) to be arranged (placed) in a manner that covers the smoke exhaust hole (hole 12) so as to store the smoke exhausted from the smoke exhaust hole (hole 12) inside; It has. The smoke exhaust portion (heat-resistant body 13) insulates the heat from the heated heat transfer portion (heat transfer body 11) so that the wooden tableware 1 (tableware main body 10) is not damaged by the heat.
[0032] Although one embodiment of the present invention has been described above, this is merely an example, and the present invention is not limited to this. For example, various modifications based on the knowledge of those skilled in the art are possible, such as omitting some of the components in the above embodiment or adding other components.
[0033] Below, we will explain an embodiment different from the above embodiment. The above embodiment and the following embodiment can be combined as appropriate within the scope that does not cause technical contradictions. Note that parts with the same structure or function may be assigned the same reference numerals as in the first embodiment, and their description may be omitted.
[0034] For example, the smoking material 6 used in the smoking treatment of the wooden tableware 1 may be a tree of a different genus or species from that of the tableware main body 10.
[0035] Furthermore, in the manufacturing method of the wooden tableware 1, the wood from which the tableware main body 10 is formed may also be used as the smoking material 6. For example, chips generated by cutting in the cutting step S1 (FIG. 3(a)) may be used as the smoking material 6 in the smoking step S4 (FIG. 3(d)).
[0036] The wooden tableware 1 in the above embodiment is formed as a cup, but it may also be a teacup as shown in Figures 5 and 6, a bowl as shown in Figures 7 and 8, a large plate as shown in Figures 9 and 10, a rice bowl, a small plate, a rice bowl, etc.
[0037] Furthermore, although the wooden tableware 1 is entirely made up of only the main body 10, which is the part including the inner surface 1a, parts (handles, decorations, etc.) may be added to the main body 10 later.
[0038] The reinforced waterproof region 3a may not be formed on the inner surface 1a of the wooden tableware 1. Furthermore, if the reinforced waterproof region 3a is formed, the first painting step S2 and the second painting step may be performed in the reverse order to that of the above embodiment.
[0039] The smoky layer 5 may also be formed partially on the inner surface 1a. For example, the smoky layer 5 may be formed only in a partial area (particularly the central area) of the bottom surface 1a2.
[0040] As shown in FIG. 11, the smoke layer 5 may be formed so that the bottom surface 1a2 is thicker than the vertical surface 1a1 (inner peripheral surface) of the inner surface 1a.
[0041] As shown in Fig. 12, the wooden tableware 1 may have an inner surface 1a (e.g., bottom surface 1a2) with unevenness, with the reinforced waterproof region 3a not formed on the convex surface and the reinforced waterproof region 3a formed on the concave surface. Note that the reinforced waterproof region 3a does not have to be formed on all of the convex surfaces. Here, for example, the bottom surface 1a2 may be provided with a plurality of concentric ring-shaped convex portions or a spiral convex portion. Also, the center of the bottom surface 1a2 may be provided with a convex portion that is higher than the outer periphery.
[0042] 12, the smoked layer 5 may be formed so that it is thicker on the inner surface 1a near the bottom surface 1a2 (lower side) in the height direction of the dish and thinner on the upper opening side (upper side). The smoked layer 5 may not be formed near the upper opening on the inner surface 1a. [Explanation of symbols]
[0043] 1. Wooden tableware 10 Main part of the tableware 1a Inner surface 1b Outer surface 2a Protected area 3a Reinforced waterproof area 4a Non-formation area of reinforced waterproof area 3a 5 Smoked layer 6. Smoking materials 100 Wooden tableware manufacturing equipment Z axis S1 Machined Step S2 First painting step S3 Second painting step S4 Smoking Step
Claims
1. The main body of the dish has an inner surface made of a hardwood or softwood, the inner edge of which in a cross section perpendicular to a predetermined axis is a circle centered on the axis, A smoke layer is formed on at least a part or the entire inner surface based on a smoking treatment using one or both of broad-leaved wood and coniferous wood as a smoking material, The inner surface is partially formed with a reinforced waterproof area using a resin paint or glass paint for woodworking, The smoked layer is formed at least in the area of the inner surface where the reinforced waterproof area is not formed.
2. 2. The wooden tableware according to claim 1, wherein the smoking material used in the smoking treatment is a tree of the same genus or species as the tree of the main part of the tableware.
3. a cutting step of cutting out a hardwood or softwood by wood turning to form a dish main portion having an inner surface whose inner edge in a cross section perpendicular to a predetermined axis is a circle centered on the axis; A smoking step in which a smoke layer is formed on at least a part or the whole of the inner surface by a smoking treatment in which one or both of hardwood and softwood are heated as a smoking material and the smoke generated at that time is applied to the inner surface; Including, Between the scraping step and the smoking step, A first coating step of partially coating at least the inner surface of the tableware body with a resin paint for woodworking or a glass paint, impregnating the surface, and drying the coating to form a partial reinforced waterproof area on the inner surface; A second coating step of coating and impregnating a vegetable-based natural paint that complies with the standards of the Food Sanitation Act on at least the area of the inner surface of the tableware body where the reinforced waterproof area is not formed, and then drying the coating; In the smoking step, the smoked layer is formed at least in an area of the inner surface where the reinforced waterproof area is not formed.
4. 4. The method for manufacturing wooden tableware according to claim 3, wherein the smoking material used in the smoking step is a tree of the same genus or species as the tree of the main part of the tableware.
5. 5. The method for manufacturing wooden tableware according to claim 4, wherein chips generated by the cutting in the cutting step are used as the smoking material in the smoking step.
Citation Information
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