The present invention provides a product description support system executed by a computer system including a management server. This system includes an access reception unit that receives access using an identifier (e.g., URL) associated with a product; a content change unit that modifies content data associated with the identifier based on predetermined provision conditions; a content transmission unit that delivers the modified content to the user's terminal for display; and an access history management unit that records the provision history of the content. The content change unit selects content data by adopting one of various methods, such as evaluating access counts, user levels, elapsed time, viewing duration, or regional information, to tailor content to specific user conditions. The system enables dynamic content adaptation for enhanced user engagement, utilizing criteria like product sales regions, customer attributes, and past behavior to optimize the delivery of relevant product information.
The cooking utensil includes a grip portion held by the user, connected to a piercing portion and configured to pierces food. The piercing portion has a plurality of arms on the same plane, with at least one arm having a reverse hook at its tip, where the reverse hook includes an inclined portion forming an acute angle from the tip of the arm and a stopper portion. At least one of the arms is rotatable relative to the other arms within the same plane.
To provide a mattress which can be used comfortably with good quality by distributing airflow inside. A mattress comprises a breathable elastic layer, a non-breathable covering layer covering the elastic layer, a ventilation portion that is not covered by the covering layer, and a ventilation mechanism. The covering layer is a coating film that is integrated with the elastic layer and covers the surface thereof. In the mattress air supplied to the elastic layer is discharged from the ventilation portion or air supplied to the ventilation portion is discharged from the elastic layer by the ventilation mechanism.
A47C 21/04 - Devices for ventilating, cooling or heating
A47C 27/00 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas
A47C 27/15 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
B32B 3/30 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids characterised by a layer formed with recesses or projections, e.g. grooved, ribbed
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
B32B 5/24 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer
B32B 5/26 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer another layer also being fibrous or filamentary
B32B 5/32 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous both layers being foamed or specifically porous
B32B 37/24 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
B32B 38/00 - Ancillary operations in connection with laminating processes
Provided is a cooking utensil which easily pierces a food material and from which the food material is less susceptible to slipping off. This cooking utensil comprises: a grip part which is a part gripped by a user; and a piercing part which is connected to the grip part which pierces a food material. The piercing part has a plurality of arm parts in the same plane. At least one of the arm parts includes a reverse hook part at the tip thereof. The reverse hook part includes an inclined portion forming an acute angle from the tip of the arm part, and a slip-off prevention portion. At least one of the plurality of arm parts can rotate in the same plane with respect to the other arm parts.
A47J 43/28 - Other culinary hand implements, e.g. spatulas, pincers, forks or like food holders, ladles, skimming ladles, cooking spoonsSpoon-holders attached to cooking pots
A47J 37/04 - Roasting apparatus with movably-mounted food supports or with movable heating implementsSpits
5.
COMMODITY DESCRIPTION ASSISTANCE SYSTEM, COMMODITY DESCRIPTION ASSISTANCE METHOD, AND COMMODITY DESCRIPTION ASSISTANCE PROGRAM
Provided is a feature in which an incentive for an introduction is imparted while information that is more beneficial is easily provided in regard to a commodity before or after purchase. A commodity description assistance system, characterized by comprising a benefit-imparting unit having an access acceptance unit that accepts access by an access identifier included in a code associated with a commodity in advance, a content modification unit that modifies content corresponding to the access identifier in accordance with whether the commodity has already been purchased, and a content transmission unit that causes a customer terminal to display the content, the benefit-imparting unit issuing an introduction code that includes the access identifier to a terminal belonging to an introducer, who is a customer who purchased the commodity, and, upon accepting access using the introduction code, imparting a benefit to the commodity, the introducer, or a person receiving introduction.
Provided is a mattress that allows an air flow to spread over the inside thereof, and that can provide good quality and comfortable use. The mattress comprises an air-permeable elastic layer and a non-air-permeable covering layer. The covering layer is a covering that is integrated with the elastic layer and that covers the surface thereof, and comprises an air-permeation part that is not covered with the covering layer. Due to a ventilation mechanism, it is possible to discharge, from the air-permeation part, air supplied to the elastic layer or discharge, from the elastic layer, air supplied to the air-permeation part.
A47C 27/00 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas
A47C 27/15 - Spring, stuffed or fluid mattresses specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
Provided is a robot hand that has a simple structure, can be used in a versatile way, changes shape depending on a physical object, and is less likely to damage the physical object. A robot hand that includes two or more finger portions making contact with a physical object and grips the physical object between the finger portions, wherein a gripping direction is nearly orthogonal to an extension direction of the finger portion and an outer shape of at least one phalanx portion is formed of a wire rod group configured with a plurality of loop-like wire rods having elasticity and arranged at predetermined intervals, and, wherein, in the wire rod group, the wire rods are arranged such that a loop shape extends in the extension direction of the finger portion and have an opening, which extends in the extension direction of the finger portion, between the wire rods.
An adhesive sheet with flexibility for attaching a health appliance to a skin, including: a health appliance sticking portion which is a portion on which the health appliance is stuck; an adhesive portion for making the adhesive sheet adhere to the skin; first release paper stuck on the health appliance sticking portion in a peelable manner; and second release paper having an outer edge nearly identical to an outer edge of the adhesive portion in shape and size and stuck on the adhesive portion in a peelable manner so as to surround the first release paper, wherein the second release paper has stiffness that allows the second release paper to support the adhesive sheet and maintain a planar state in a state in which the first release paper is removed.
Provided is a cutting implement which is easily ground or which needs no grinding and is safe. The cutting implement is a cutting implement including an acting portion 3 that cuts an object to be cut, the cutting implement configured such that the acting portion 3 includes a main body portion 4 and a small thickness portion 5 whose thickness is smaller than the thickness of the main body portion 4 and the small thickness portion 5 has a width of 2.5 to 20 mm and a thickness of 0.1 to 0.5 mm.
Provided is a robot hand that has a simple structure, can be used for general purposes, can change form in accordance with a target object, and does not readily damage a target object. This robot hand comprises two or more finger parts that contact a target object, and grasps said target object between the finger parts, wherein: with respect to the finger parts, the grasp direction is approximately orthogonal to the extension direction thereof, and the exterior shape of said finger parts is formed by a wire group in which at least one finger joint part is formed by a plurality of loop-shaped elastic wires arranged at a prescribed interval; and in the wire group, the wires are arranged such that the loop shapes extend in the extension direction of the finger parts, and there are gaps extending in the extension direction of the finger parts between the wires.
The present invention provides a robot hand that has a simple structure, can be used for general purposes, and does not readily damage an object. A robot hand for grasping an object, wherein the robot hand has two or more fingers, and at least one of the fingers is a wire-material finger configured so as to include a loop-shaped wire material having elasticity.
Provided is a cooking utensil that makes it possible to grip and shape ingredients during a cooking process and to grip cooked food without damaging the outer shape thereof. The cooking utensil includes a pair of grip sections capable of opening and closing and a pair of grasping sections connected to each of the pair of grip sections. Ingredients are grasped between the pair of grasping sections. At least a first grasping section that is one of the grasping sections is formed by arranging, at predetermined intervals, the loop parts of a plurality of wires comprising loop parts, and when in an initial state, said first grasping section has a recessed shape forming an inner space for accommodating an ingredient. At least some of the loop parts of the first grasping section are capable of bending, and the first grasping section has gaps between the wires in the depth direction of the recessed shape.
A47J 43/28 - Other culinary hand implements, e.g. spatulas, pincers, forks or like food holders, ladles, skimming ladles, cooking spoonsSpoon-holders attached to cooking pots
Provided is a pressure-sensitive adhesive sheet which can be held easily during use so as to prevent the adhesive surfaces from being affixed to one another; and a pressure-sensitive sheet for reapplication, with which a health device can be easily be affixed in the correct position. This pressure-sensitive adhesive sheet is a flexible pressure-sensitive adhesive sheet for mounting health devices to the skin, and comprises: a health device affixing portion which is the portion onto which a health device is affixed; a pressure-sensitive adhesion portion for adhering to the skin; a first peeling paper which is peelably affixed to the health device affixing portion; and a second peeling paper, the outer boundary of which is approximately the same shape and the same size as the outer boundary of the pressure-sensitive adhesive portion, and which is peelably affixed to the pressure-sensitive adhesive portion so as to surround the first peeling paper. The second peeling paper has a rigidity which supports the pressure-sensitive sheet, maintaining a planar state, in a state in which the first peeling paper has been removed.
Provided is a safe cutting implement that either is easy to grind or does not require grinding. This cutting implement is provided with an operation part 3 for cutting an object to be cut, wherein the operation part 3 has a body part 4 and a thin-walled part 5 having a lesser wall thickness than the body part 4, and the thin-walled part is configured to have a width of 2.5-20 mm and a wall thickness of 0.1-0.5 mm.
Provided is a cutting portion that can easily obtain a large amount of cuttings of a food material in a short time. A cutting portion of a food cutter includes a plurality of blade portions that are provided with blades, and a terminal guide portion located on the most downstream side in the cutting operation direction and functions as a guide by coming in contact with the food material when cutting the food material; wherein the plurality of cutting portions and the terminal guide portion are provided so as to be substantially parallel with each other with gaps in between, and move together as one.
Provided is a method for manufacturing a weak current tool, by which a simple structure and common materials are used to manufacture a weak current tool that has a thin electrode structure and is easy to use. The method is for manufacturing a weak current tool that is used in contact with skin and that includes: a first electrode part which is a sheet-shaped weak current sheet and which is made of a first electrode material having a first metal as a primary component thereof; a second electrode part which is made of a second electrode material having a second metal that has a difference in potential with the first metal as a primary component thereof, and which is electrically connected to the first electrode part; and a first insulating part which is made of an insulating material and insulates the first electrode part and the second electrode part from each other on the skin contact surface. The method for manufacturing the weak current tool includes: an electrode bonding material manufacturing step for manufacturing an electrode bonding material that includes the first electrode material and the second electrode material; a punching out step for obtaining a plurality of electrode bonding sheets by punching out one of the electrode bonding materials into a prescribed shape a plurality of times; and an insulating material installing step for installing the insulating material on the electrode bonding sheets.
Provided is a cutting part that makes it possible to easily obtain a large amount of cut pieces of food in a short time. Provided is a cutting part for a food cutter, the cutting part comprising: a plurality of blade parts (20) that have a blade provided thereto; and an end guide part (30) that is on a furthest downstream side in a cutting operation direction (F) and, when food is cut, contacts the food and functions as a guide. The plurality of blade parts (20) and the end guide part (30) are provided at intervals so as to be substantially parallel.
A47J 17/02 - Hand devices for scraping or peeling vegetables or the like
A47J 43/28 - Other culinary hand implements, e.g. spatulas, pincers, forks or like food holders, ladles, skimming ladles, cooking spoonsSpoon-holders attached to cooking pots
Provided are scissors that do not mar or ruin the shape of a thing to be cut and that make it possible for handles to be operated above the thing to be cut and thereby make cutting easy. The present invention has: a blade shaft (6) that rotatably connects blades (4, 5) of scissors; a handle shaft (9) that rotatably connects handles (7, 8) of the scissors; and a connection shaft (12) that rotatably connects one of the handles (7, 8) and one of the blades (4, 5) such that opening/closing of the blades (4, 5) and opening/closing of the handles (7, 8) occur in tandem. When a thing to be cut is sheared by keeping one of the blades (a fixed blade (4)) parallel to a cutting line (13) that is the path along which the thing to be cut will be sheared and moving the other blade (a mobile blade (5)) relative to the fixed blade (4), the handles (7, 8) are positioned above the thing to be cut.
Provided is a weak current sheet whereby a thin electrode structure is obtained from a simple structure and an ordinary material, and high therapeutic effect is obtained. The present invention is configured so as to have a positive electrode part and a negative electrode part having mutually different electric potentials, and a sheet-shaped conductive part for electrically connecting the positive electrode part and the negative electrode part, and to have an insulating material 5 disposed so as to cover the conductive part between the positive electrode part and the negative electrode part.
Provided is a tape for attachment to the skin for more appropriately covering a site of interest. The tape for attachment to the skin includes: a first attachment portion to be attached to an area surrounding the site of interest; a second attachment portion to be attached to an area surrounding the site of interest; and a body portion that is provided between the first attachment portion and the second attachment portion. The tape for attachment to the skin comprises at least an elastomeric layer, a backing layer, and an adhesive layer which are disposed in a stacked state, wherein the elastomeric layer is disposed across the first attachment portion, the body portion, and the second attachment portion, the substrate layer is disposed at least on the first attachment portion and the second attachment portion, the adhesive layer is disposed at least on the first attachment portion and the second attachment portion, and the elastomeric layer has an elastic force to return said layer to a predetermined shape.
A cooking device for cutting a foodstuff into a prescribed shape. The cooking device includes a cutting portion and a handle attached to the cutting portion. The cutting portion includes a cutting blade and a guide; the cutting blade includes a wave-shaped portion in which trough portions, which recede downward in a direction approaching a foodstuff to be cut, and crest portions, which project upward in the opposite direction to the downward direction, appear alternatively; in the cutting blade, crests, which are the tops of the cutting blade crest portions, and troughs, which are the bottoms of the cutting blade trough portions, appear alternatively; and in the guide, at least a portion of a guide surface, which follows the surface of the foodstuff to be cut, is located between the cutting blade crests and cutting blade troughs in the vertical direction.
A01F 11/06 - Threshing apparatus specially adapted for maizeThreshing apparatus specially adapted for particular crops other than cereals for maize, e.g. removing kernels from cobs
A47J 17/02 - Hand devices for scraping or peeling vegetables or the like
Provided is a toothbrush with which brushing can be performed while the angle of a brush part is adjusted with little force. A toothbrush provided with a brush part in which bristles are formed, and a grip part extending to the brush part, wherein the grip part includes: a ring-shaped first finger-hooking part provided with a through-hole through which a finger passes; a second finger-hooking part formed extending to the first finger-hooking part, the maximum width of the second finger-hooking part exceeding the maximum width of the outer edge of the first finger-hooking part; and a handhold part formed extending to the second finger-hooking part.
Provided are: a cooking utensil with which it is easy to create a starting point, a blade arrangement which slices mainly diagonally, thereby enabling peeling to be carried out with a minimal force and giving thin slices that are have good texture, which is safe, and which has a tip which is resistant to bending; a cooking method using same; and a foodstuff. The cooking utensil according to the present invention has a cutting part equipped with a serrated blade. The blade is characterized in that the working angle of the serrations is an obtuse angle, and the mountain line that is the protruding part and the valley line that is the recessed part are sloped with respect to the plate thickness direction, and are approximately parallel to one another. The pitch of the serrations of the blade is at least 3mm.
A47J 17/02 - Hand devices for scraping or peeling vegetables or the like
B26D 3/26 - Cutting work characterised by the nature of the cut madeApparatus therefor to obtain segments other than slices, e.g. cutting pies specially adapted for cutting fruit or vegetables, e.g. for onions
29.
COOKING UTENSIL EQUIPPED WITH SERRATED BLADE, COOKING METHOD, AND FOODSTUFF
Provided are: a cooking utensil with which it is easy to create a starting point, a blade arrangement which slices mainly diagonally, thereby enabling peeling to be carried out with minimal force and giving thin slices that are have good texture, which is safe, and which has a tip which is resistant to bending; a cooking method using same; and a foodstuff. The cooking utensil according to the present invention has a cutting part equipped with a blade having a serrated blade. The utensil is characterized in that the working angle of the serrations of the blade is an obtuse angle, and the ridge lines that are the protruding parts and the valley lines that are the recessed part are sloped with respect to the plate thickness direction, and are approximately parallel to one another. The blade is formed in such a manner that the ridge lines and the valley lines face the foodstuff side, and the pitch of the serrations of the blade is at least 3mm.
A47J 17/02 - Hand devices for scraping or peeling vegetables or the like
B26D 3/26 - Cutting work characterised by the nature of the cut madeApparatus therefor to obtain segments other than slices, e.g. cutting pies specially adapted for cutting fruit or vegetables, e.g. for onions
Provided is a cooking utensil for cutting food materials into a predetermined wave shape. A cooking utensil is provided with a grip and a cutting blade which is mounted to the grip. The cutting blade is formed from a wave-shaped plate-like member having mountain sections and valley sections which cut deeper into a food material to be cut than the mountain sections, the mountain sections and valley sections being alternated in the direction perpendicular to the direction of cutting work.
Provided is a cooking implement that is capable of accommodating the shape of any type of target object. A cooking implement (10) according to the present invention has a holding portion (12) and a blade member (15) provided with a blade (17) supported by the holding portion, and is characterized in that the blade protrudes further forward than the holding portion.
The present invention provides a cooking implement for cutting a foodstuff into a prescribed shape, a cooking method using said implement, and a foodstuff. Provided is a cooking implement that is provided with a cutting portion and a handle to which the cutting portion is attached, wherein: the cutting portion includes a cutting blade and a guide; the cutting blade includes a wave-shaped portion in which trough portions, which are shaped so as to recede downward in a direction approaching a foodstuff to be cut, and crest portions, which are shaped so as to project upward in the opposite direction to the downward direction, appear alternately; in the cutting blade, crests, which are the tops of the cutting blade crest portions, and troughs, which are the bottoms of the cutting blade trough portions, appear alternately; and in the guide, at least a portion of a guide surface, which follows the surface of the foodstuff to be cut, is located between the cutting blade crests and cutting blade troughs in the vertical direction.
Provided is a nipping tool with which it is possible to nip an object, such as a cable, appropriately in accordance with the thickness or size of the object. This nipping tool is a nipping tool in which two members, each including a grip part and an operation part, are rotatably connected, and the operation parts open and close in association with the opening/closing of the grip parts. The grip part has a plurality of holding positions. The shape of the grip part is such that the degree of opening of the operation parts differs when the two members are closed together using the various holding positions.
H02G 1/14 - Methods or apparatus specially adapted for installing, maintaining, repairing, or dismantling electric cables or lines for joining or terminating cables
B25B 7/18 - Adjusting means for the operating arms
Provided is an ear curette which has a tip end part that is easy to visually observe, and with which undesired material within the ear can be removed safely. This ear curette 1 comprises: a tip end part; a handle part having a curved part that is curved; and a grip part having said handle part at one end.
Provided is a kitchen utensil that can easily and safely make score marks and that can be used for mincing. This kitchen utensil comprises a blade member for scoring that comprises a plurality of projections that are for making a plurality of parallel, stripe score marks on a food item. In addition, a blade that extends from a location separated from the distal end to the basal end of the projections is formed on the projections.
A47J 17/02 - Hand devices for scraping or peeling vegetables or the like
A47J 43/28 - Other culinary hand implements, e.g. spatulas, pincers, forks or like food holders, ladles, skimming ladles, cooking spoonsSpoon-holders attached to cooking pots
B26D 3/18 - Cutting work characterised by the nature of the cut madeApparatus therefor to obtain cubes or the like
B26D 3/24 - Cutting work characterised by the nature of the cut madeApparatus therefor to obtain segments other than slices, e.g. cutting pies
B26D 3/28 - Splitting layers from workMutually separating layers by cutting
Provided is a fruit juicer capable of separating and collecting seeds from fruit juice and pulp, not only reducing the time and effort necessary for said separation work but also being superior hygienically because utensils and hands are not used. A fruit juicer provided with a squeezing section, which is the part against which a fruit is pressed, and a receiving section for receiving the fruit juice squeezed out by the squeezing section, is provided with a seed-removing section, which forms a depression in the center of the squeezing section and is for catching seeds. The seed-removing section comprises an opening, a bottom, and a tubular circumferential wall that connects the opening to the bottom.
A water seal pot is configured so that the inside thereof is capable of being kept at higher pressure. A water seal pot has a pot body, a lid body which is put over the pot body, and a ring-shaped water containing groove which extends around the edge of the opening of the pot body, the edge of the opening being that with which the lid body makes contact. A water seal is formed by the water containing groove.
Provided is a convenient manual peeler with which vegetables and fruits can be peeled and a cabbage, etc. can be shredded into pieces in a uniform size without requiring skill and which assures a more efficient and safer operation without any strength. The peeler (1) according to the present invention, which comprises a blade (5), a head part (2) holding the blade, a handle (3), and a bent part (4) connecting the head part to the handle, is characterized in that the bent part is bent to at least a 10o angle.
The purpose of the present invention is to provide an information storage card that can be easily removed from a purse or the like, and is convenient to use, preventing the card from being dropped when held. The information storage card of the present invention is used for commercial transactions, and is characterized in being provided with a through hole that acts as a finger grip.
The present invention enables repeat playback using a simplified operation that does not require a button operation. A hearing aid provided with: a motion sensor that detects the behavior of a hearing aid or a hearing aid attachment; a control unit that executes a prescribed process when a prescribed behavior is detected by the motion sensor; and a memory that records external audio. When a signal indicating that the prescribed behavior has been detected is obtained from the motion sensor, the control unit plays back the audio data stored in the memory.
The objective of the present invention is to suppress noise, howling, and the like produced when a hearing aid case rubs against an external object, and thus to output clear and easy-to-hear sound from an earphone. This hearing aid (10), which amplifies sounds picked up by an audio microphone (16) and outputs the sounds to earphones (19), is equipped with: the audio microphone (16), which picks up external sounds and converts the sound to an electrical signal; a noise microphone (17), which picks up noise within the case of the hearing aid (10) and converts this noise to an electrical signal; a subtraction unit (22), which subtracts the noise microphone electrical signal, which is the electrical signal from the noise microphone (17), from the audio microphone electrical signal, which is the electrical signal from the audio microphone (16); and earphones (19), which convert the resulting electrical signal to sound and output the sound.
G10K 11/178 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
The purpose of the present invention is to provide a condenser capable of stably condensing light with high efficiency. This condenser (1) is provided with a light condensing part (11) having an annular light receiving surface (A), reverse taper-shaped outer peripheral surface (14a) and inner peripheral surface (14b) which are approximately parallel to each other and have diameters that gradually expand toward the light receiving surface (A), and a columnar light guiding part (12) having the outer peripheral surface (14a) which extends to the reverse side of the light receiving surface (A).
G02B 6/00 - Light guidesStructural details of arrangements comprising light guides and other optical elements, e.g. couplings
F24J 2/06 - having concentrating elements (optical elements or systems per seG02B)
H01L 31/052 - Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
Since the blade portion of a conventional kitchen knife has a cross-section in the shape of a wedge swelling to the opposite sides and the kitchen knife is used under a dull state, an onion is chopped up while being crushed to splash pungent odor; as a result, a cooking person has a pain in the eyes and pungent odor is even more severe in the final process of chopping because the onion is chopped up while being crushed by repeating the up/down operations of the kitchen knife. A manual knife for push cutting vegetables comprises a blade body (1) of a thin plate, an blade portion (2) formed in the shape of continuous protrusions and recesses replicating at an acute angle on the blade body (1), sharp blade edges (2a) formed on the protrusions of the blade portion (2), and slice blades (2b) formed symmetrically from the edges (2a) toward the recesses, wherein one side provided with the blade portion (2) has a curved shape swelling by 0.2-1.5 mm. Furthermore, portions (3) for preventing breakage of the blade are provided on the opposite sides of the blade portion (2), the blade body (1) is made replaceable and a grip portion (4) is formed in an arcuate shape.
Conventionally, since the edge portion has a wedge-shaped cross-section bulging to the opposite sides and a kitchen knife is used in a dull state, an onion is cut while being mashed at the time of chopping so that an irritating odor is scattered to thereby causing a pain in the eyes. In addition, in the final process of mincing, the onion is cut while being mashed because up/down operation of the kitchen knife is repeated thus bringing about a more terrible condition of the irritating odor. A manual knife comprises a thin planar knife body (1), a continuous zigzag edge portion (2) formed in the knife body (1) with an acute angle, sharp pointed edges (2a) formed at the projecting portion of the edge portion (2), and slice edges (2b) formed symmetrically from the pointed edges (2a) toward the recessed portions, wherein one side provided with the edge portion (2) has a curved shape bulging by 0.2-1.5 mm, anti-break portions (3) are provided on the opposite sides of the edge portion (2), the knife body (1) is replaceable and a grip portion (4) is formed arcuate.
[PROBLEMS] Cutlery such as a kitchen knife or a knife is manufactured with weight balance between the blade body and the handle part taken account of on the manufacturer side at the time of manufacture; and since there is no cutlery in which a user can change the weight balance after purchase according to one's habit of use, size of a hand or the material used for cooking, user friendliness degrades if balance is bad. [MEANS FOR SOLVING PROBLEMS] The cutlery (1) comprises a handle part (2) having an open proximal end face, a closing member (4) for closing the opening of the handle part (2), a screw rod (6) cantilevered on the closing member(4), and a plurality of balancers (5) screwed to or passed over the screw rod (6), wherein the weights of the plurality of balancers (5) are differentiated and a position at which the balancer (5) is screwed to or passed over the screw rod (6) is altered, or the weights of the plurality of balancers (5) incorporated in the handle part (2) are differentiated and the incorporating position is altered, or the incorporating positions of the plurality of balancers (5) incorporated in a space (7) provided in the handle part (2) are altered.
