Abstract: A moulded pulp container for food includes a main body formed from a moulded pulp material and a pulp tab portion. The main body includes a base, upstanding walls extending from the base, and an outer edge defining a container having an inner surface and an outer surface. The pulp tab portion is connected to and arranged outboard of the outer edge. The pulp tab portion has an upper surface and a lower surface. A barrier membrane laminated to the inner surface of the container and the upper surface of the pulp tab portion is removable when the pulp tab portion is detached from the main body, such that the barrier membrane remains bonded to both the main body and the pulp tab portion, which enables the barrier membrane to be peeled from the main body by pulling the pulp tab portion.

Abstract: A disposable bowl press-formed from a generally planar paperboard blank. The bowl has a large capacity, wide flange for easy handling and exhibits excellent rim stiffness. The bowl can include a bottom panel, a sidewall extending upwardly and outwardly from the bottom panel and a flange extending outwardly from the sidewall. The flange includes a rim portion having an arched central crown with a convex upper surface defining a radius of curvature RC of 0.650 to 1.180; and annular transition from the rim portion defining a radius of curvature, R3, and an evert extending downwardly from the annular transition, R3, wherein the bowl has an outermost diameter D of about 8? to about 10? and a height to diameter ratio, H/D, of from 0.18 to 0.20.

Abstract: A meat tray sized and shaped to support raw meat is provided. The meat tray is composed of a paperboard material. The meat tray may include a generally planar base extending to a sidewall that extends transversely from the planar base to an angled outer transition which forms an outer periphery of a tray cavity. A rim of the meat tray is located at a terminus of the angled outer transition and extends away from the cavity. The rim may include an outer arcuate rim portion that extends and curves away from the outer transition and a planar flange extending from the outer arcuate rim portion and terminates at an edge. The edge faces downwardly with respect to the outer arcuate rim portion.

Abstract: A process for making a hermetically sealed package, which includes forming a sheet of wrapping made of plastic material, in particular having a thickness of less than or equal to 140 ?m. The process envisages: forming on the sheet a first, hollow, portion and a second, perimetral, portion, which delimits at least partially the first portion; inserting the product into the hollow portion obtained in the sheet of wrapping; applying a second sheet of wrapping in contact with the perimetral portion so as to close the hollow portion with the product inside; and welding the second sheet on the first sheet along the perimetral portion. Forming the first sheet includes providing on the second, perimetral, portion a series of pleats of the sheet, which are then sealed.

Abstract: A snow ski assembly is provided for use by an individual to slide across a snow covered surface, for example, under the force of gravity. The assembly includes a ski having a bottom wall for engaging the snow covered surface and an upturned peripheral region extending around a perimeter of the bottom wall. The bottom wall of the ski includes at least one control structure extending across at least a portion of the bottom wall, where the at least one control structure is configured to control a movement of the ski on the snow covered surface. The assembly also includes a mounting feature configured to couple a binding to the bottom wall of the ski, such that the individual can position a foot in the binding and use the ski to slide across the snow covered surface.

Abstract: Disclosed apparatus and methods make it convenient for small portions of lasagna to be prepared conveniently and quickly. A cooking vessel and its top re described. The internal chamber of the cookware is rectangular, and its internal sidewalls are vertical. Length of the chamber is selected to accommodate layers of lasagna including a single piece of pasta. A foil container is inserted into the chamber, in which the lasagna layers are constructed, and the lasagna is cooked within the vessel and its insert. Walls of the cookware are made of ferromagnetic material such as cast iron and have a thickness that is capable of holding a significant amount of heat, which is transferred conductively to the lasagna during cooking, including pressure cooking. An induction cooking device is disclosed that does not require the cookware to be heated in a conventional oven. The device functions conjointly with the cookware.

Abstract: An active foodware system includes dining plates having visual stimulating, sensing, and wireless communication components. A visual stimulating component emits light to provide information or entertainment. The sensing component detects characteristics of the food received in the dining plate, such as weight or temperature. Data related to the food may be displayed on the visual stimulating component, or sent by the wireless communication component to a computer or mobile communication device. Computer software may display nutrition information on the visual stimulating component before, during, and after dining, or provide visual and auditory encouragement for children to eat.

Abstract: A tray assembly is provided. The tray assembly includes a first tray configured to be mounted to a robot; and a second tray provided above the first tray and configured to be rotatably coupled to the first tray. The second tray includes at least one first rolling member provided on a lower surface of the second tray, which faces the first tray, and an elastic member having at least one end which is fixedly connected to the lower surface. When the second tray is rotated relative to the first tray, the second tray is configured to be returned to its original position by virtue of a restoring force of the elastic member of the second tray.

Abstract: Disclosed herein is a novel container/guacabowl and apparatus system that assists in the removal and apportionment of the semi-solid items, such as guacamole, salsa, dip and humus, from the interior of a bowl or container using an external object such as a tortilla chip or cracker, while minimizing the risk of spilling the semi-solid items as they are being removed.

Abstract: A bowl includes an upper part having a cylindrical shape and having an opening. The bowl also includes a middle part located adjacent the upper part, wherein the opening extends into at least a portion of the middle part. The bowl further includes a lower part having a lower surface, wherein the lower surface includes a first portion that extends across a portion of the lower part and a second portion that extends across another portion of the lower part, wherein the second portion is angled with respect to the first portion.

Abstract: According to an example of the present disclosure, a learning tableware set includes a bowl and a spoon used in cooperation with the bowl. The bowl includes a bowl bottom and a curved bowl wall. The bowl bottom includes a peripheral recessed portion on one side of the bowl bottom. One side of the curved bowl wall is annularly connected to an edge of the side of the bowl bottom, and the other side of the curved bowl wall, which is not connected to the bowl bottom, includes a protruding edge extending toward a central axis of the bowl bottom. The spoon includes a holding portion and a scooping portion connected to the holding portion, and a curve of one end of the scooping portion away from the holding portion matches a curve of the peripheral recessed portion.

Abstract: A feeding device for honeybees is described that can be used when open feeding honeybees using a container. The container is filled with liquid syrup. The feeding device can be placed over the liquid syrup. The feeding device includes several feeding holes on the surface of the liquid syrup. The honeybees can land on top of the surface of the feeding device and can drink the liquid syrup by reaching through the feeding holes on the feeding device. The feeding device prevents the honeybees from drowning in the liquid syrup and provides a safe surface for multiple honeybees to land on while open feeding.

Abstract: A heat insulating container includes a bottom box and a surrounding wall surrounding the bottom box. A top portion of the bottom box is open and connected with the surrounding wall. An inner space of the surrounding wall is connected with an inner space of the bottom box, an opening is defined by a top edge of the surrounding wall, a handle portion is downward extended from an external surface of a junction between the bottom box and the surrounding wall, the handle portion and the bottom box are arranged at interval and a rubber strip is arranged wrapping the handle portion. Thereby the user is avoided from directly contacting with the bottom box. Therefore, the heat insulating container could be immediately taken out of a microwave oven after heater by the microwave oven.

Abstract: A container for selective display is an apparatus enabling users to store perishable items under controlled conditions. The apparatus includes a display container and an obstruction mechanism. The display container includes an open container end, a closed container end, a lateral wall, a window, and a sealing lid. The display container is designed to store the items under ideal conditions and facilitates the monitoring and control of the conditions inside the display container. The obstruction mechanism maintains the interior of the display container sealed from exterior light. The open container end enables access to the contents inside the display container. The closed container end and the lateral wall form an enclosed storage space to hold the contents. The window enables the users to inspect the contents without opening the display container. The sealing lid hermetically seals the display container to maintain the ideal conditions for the contents to be preserved.

Abstract: A snow ski assembly is provided for use by an individual to slide across a snow covered surface, for example, under the force of gravity. The assembly includes a ski having a bottom wall for engaging a snow covered surface and an upturned peripheral region extending around a perimeter of the bottom wall to help facilitate sliding movement of the ski across a snow covered surface in any direction, without preference to a particular direction, and to help inhibit the ski from digging into the snow covered surface when sliding across the snow covered surface. The assembly also includes a mounting feature for coupling a binding to the bottom wall of the ski, such that an individual can position a foot in the binding and use the ski to slide across the snow covered surface.

Abstract: Examples of a baking liner for bakable products are described. The baking liner comprises a base and a peripheral sidewall that extends upward from the base forming a liner cup that is sized to receive the baked product. The sidewall has an upper edge that forms the cup's open top and a lower edge that is adjoined to the base forming a bottom edge of the liner. An opening seam is formed in the sidewall such that it extends from the upper edge toward the lower edge and across the base. A tab is formed in proximity to the opening seam and is configured to open the sidewall into a strap-like configuration by pulling the tab and opening the sidewall and the base away from the baked product.

Abstract: A novel portable plate, cup and silverware device that improves portability, usability and stability is disclosed. The present invention includes a plate of the type used for food at meals, gatherings, parties and the such. The plate includes an adjustable strap, hidden in a compartment under an openable and closeable cover on the underside of the plate, to provide stability while a user holds the plate. The plate also includes a cup holder on the top of the plate, a cup with an internal straw and a lid, as well as comfort grip utensils that can be attached and detached from the rim of the plate. The device can be manufactured from multiple reusable, disposable or recyclable materials.

Abstract: A double-layer keg comprises an outer barrel and an inner barrel made of plastic disposed in the outer barrel. A bottom of the outer barrel is fixed with a base, and a lower portion of the outer barrel has a brace for supporting a bottom periphery of the inner barrel. A spear structure is installed at a barrel opening of the inner barrel, and an upper portion of the inner barrel has a shoulder and a neck disposed around the barrel opening. An inner surface of an upper portion of the outer barrel is pressed against an outer surface of the shoulder and/or the neck of the inner barrel. An expansion space, provided for the bottom of the inner barrel to expand downward, is disposed between a portion of the bottom of the inner barrel located at an inner side of the brace and the base.

Abstract: A kit for use with a beverage includes: a sleeve, an interior plate, an engaging feature, a connector, and a support element. The sleeve forms an interior volume dimensioned to contain a beverage. The interior plate is located within the interior volume. The engaging feature is located outside the interior volume and includes an upper sidewall and a lower sidewall. The connector penetrates the bottom and interconnects the interior plate and the engaging feature. Lastly, the support element includes a receiving feature shaped to engage with the engaging feature such that at least part of the receiving feature is positioned between the upper sidewall and the lower sidewall. Configured in this manner, the support element, which may be in the form of a serving tray, is capable of safely and securely supporting beverages in an upright position.

Abstract: Disposable containers for storing contents, such as food products. The containers include a cover material disposed about a periphery or an outer surface of the container in a folded configuration and deployed, when pulled out by a user, in an amount and shape sufficient to cover at least the opened periphery of the container.

Abstract: This invention relates to an apparatus that facilitates self-feeding by, for example, a person having limited fine motor skills and methods related thereto. Specifically, the disclosed apparatus enables food to collect in a specific area and guides a utensil to this area. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: An attachable plate and cup assembly that allows the user to hold both a plate and a cup in one hand. The assembly includes a cup having an open top portion and a closed bottom portion, and the open top portion has at least two substantially parallel sides. The assembly also includes a plate having a top surface and a bottom surface. A cup receiving structure protrudes downward from the bottom surface, and has at least two substantially parallel sides. Each of the substantially parallel sides has an inwardly facing channel to accommodate a lip of the cup.

Abstract: A cup is provided with an outflow tube integrally formed therewith. A body of the cup is formed by winding a paper board such that an extended part of the paper board is preserved at a winding joint site of the cup body and is subjected to further winding to form an outflow tube that is initially flattened and attached flat to the cup body. A partition section that is between a containing space of the cup body and the outflow tube is provided with a discharge hole through which a liquid or beverage contained in the cup body is allowed to flow into the outflow tube. The outflow tube can be pressed for bulging into an expanded passage and a top end of the outflow tube that is initially closed is opened through tearing a fold or indent line to form an outflow opening.

Abstract: A plate comprises a planar central region with a perimeter and a lip with first and second sections, each including two ends. A first end of the first section extends from the perimeter up and away from the planar central region, and a first of the second section extends from a second of the two ends of the first section down and away from the planar central region. A plate comprises circular, mid and end regions. The mid-region protrudes from an outer edge of the circular region in a first direction away therefrom. The end-region protrudes from an outer edge of the mid-region in an opposite direction and away therefrom. The mid and end-regions include openings. A plate comprises a first area and a rim surrounding the first area. The rim has walls which intersect. Each of the walls is either straight or concave. Both of the walls includes openings.

Abstract: Cookware containers are provided with a handle member which also serves as a support to rest a utensil during cooking. Particularly, the spoon supporting handle member is afixed to the cooking container in a laterally aligned direction, rather than the normal perpendicular configuration with respect to a top opening of the container. The container can support a cooking utensil on the spoon supporting handle without having to be moved about on a stove top to avoid burners or the handles of other pots or pans.

Abstract: A serving tray comprises a top side and a bottom side generally parallel to each other and a periphery. The top side is arranged for supporting objects on the tray and the bottom side for carrying the tray by hand. The tray has a center of gravity and an axis extending substantially perpendicular through it. The bottom side has a relief comprising first and second gripping structures each generally surrounding the axis, and being recessed and providing a first and second radially inner gripping surface, respectively, and being arranged such that sections of the first and second inner gripping surfaces are located diametrically opposite each other at first and second radial distances with respect to the axis, respectively, and such that in plural azimuthal positions around the axis the ratios of the first and second radial distances of the respective opposite sections are equal.

Abstract: A snow ski assembly is provided for use by an individual to slide across a snow covered surface, for example, under the force of gravity. The assembly includes a ski having a bottom wall for engaging a snow covered surface and an upturned peripheral region extending around a perimeter of the bottom wall to help facilitate sliding movement of the ski across a snow covered surface in any direction, without preference to a particular direction, and to help inhibit the ski from digging into the snow covered surface when sliding across the snow covered surface. The assembly also includes a mounting feature for coupling a binding to the bottom wall of the ski, such that an individual can position a foot in the binding and use the ski to slide across the snow covered surface.

Abstract: A plate caddy enables a user to carry up to two (2) dining plates using a single hand, while going through a buffet line, thereby providing a free hand to allow additional servicing of the user. The caddy includes a handle which is strapped securely to the user's hand, and a plurality of extended arms which act to support the plates while also securing the edge portions of the plates. The arms are adjustable to hold differently sized and shaped dinner plates, dessert plates, soup bowls, salad plates, and the like. The caddy may be quickly removed from the user's hand when desired.

Abstract: A heated cup holder system for a vehicle includes a sleeve receivable onto a container, the sleeve of a predefined inductance, and a cup holder including an induction-heating element operable to induce a current within the sleeve, thereby heating the sleeve.

Abstract: A paperboard plate can include a bottom panel, a frustoconical sidewall extending upward and outward from the bottom panel, and four arcuate portions which have radius of curvatures R1, R2, R3, and R4. The plate can also include an inner brim section adjacent the frustoconical sidewall and having a width (W), an outer frustoconical brim section extending downward and out from the inner brim section, an outer perimeter section extending outward from the outer frustoconical brim section, the plate having an overall diameter (D). The radius of curvature (R3) can be less than 0.20 inches, a ratio of W/D can be 0.041 to 0.050, a ratio of R3/D can be 0.010 to 0.017, and the outer frustoconical brim section can extend downward and outward at an angle (A3) of 65° to 75° with respect to a vertical that is substantially perpendicular to the bottom panel.

Abstract: A system of place-setting components used to facilitate serving and eating healthy food portions. The place-setting system comprising: a plate and a nestable set of two or more serving spoons. The plate includes one or more serving areas corresponding to a portion size for one or more food components of a meal. Each of the serving spoons in the nestable set includes a bowl-shaped cup and a handle. The handle of the serving spoons comprising: a first segment, extending distally from the proximal end of the handle, with a portion of a distal-most section of the first segment extending upward; a second segment connected to the first segment, with the second segment extending downward; a third segment connected to the second segment, with the third segment extending generally upward; and a fourth segment connected to the third segment, with the fourth segment extending generally distally.

Abstract: A serving container includes a structure for holding one or more utensils. In one approach, a removable insert is provided within the holding structure. In another approach, the holding structure is removable and forms a part of the sidewall of the serving container. The holding structure can also be embodied in a ledge sized to receive a handle of a utensil or can be formed on a lid to the serving container.

Abstract: A paperboard plate such as a paper plate includes a generally planar bottom portion, an upwardly and outwardly extending fluted sidewall, wherein the sidewall comprises a plurality of sidewall flutes substantially around the outer perimeter of the plate to define a fluted perimeter. The flutes are suitably present at fewer than 3.5 flutes per inch; the plate has a radial profile with a single transition; and the diameter/flute length ratio is greater than 6. The plates are formed in a punch-through die cutting and forming tool from a plurality of paperboard web layers at increased productivities as compared with conventional heated press-forming.

Abstract: Products and methods of increasing the Rigidity and Rim Stiffness of disposable containers are provided. The containers have an outer flange portion extending outwardly with a brim portion sloping downwardly defining a declivity angle ? with respect to a horizontal generally parallel to the bottom portion and generally include an outward turn at the periphery of the container. A preferred method of improving rigidity includes press-forming: (i) a brim transition portion adjoining the downwardly sloping brim portion of the container and (ii) an outwardly extending annular evert portion adjoining the brim transition portion extending outwardly at an eversion angle ? of at least about 25 degrees with respect to the downwardly sloping brim portion of the flange.

Abstract: A microwave mat for removing items from a microwave oven includes a mat portion and a lip portion. The mat portion includes a plurality of ridges on the bottom side of the mat portion. The mat portion lays flat when the microwave mat is placed on a flat surface. The lip portion includes a plurality of ridges on the bottom side of the lip portion. The lip portion is raised from the flat surface when the microwave mat is placed on a flat surface. The mat portion and the lip portion are made from a single material and the material is a heat resistant material. The mat portion and the lip portion are flexible.

Abstract: A capsule suited to contain inside it a powdered product e.g. powdered coffee) for the preparation of an infusion. The capsule comprises a container closed by a lid. The container is provided with at least a filter of the powdered product/hot water infusion. The capsule is characterized in that it comprises: a central feeding device for feeding a hot liquid according to a substantially vertical direction; said hot liquid being suited to obtain an infusion with said powdered product; and a deflecting device, which is arranged transverse to the hot liquid flow coming from said central feeding device; said deflecting device being supported by the bottom of said container by means of a support device.

Abstract: An apparatus includes a pot with a sleeve attached to an outside portion of the pot, and a utensil holder coupled to the pot. The utensil holder includes an arm disposed through the sleeve and a handle pivotally attached to the arm, such that the handle can be rotated relative to the arm to position a portion of the handle inside the pot. The utensil holder can be configured at least in a first configuration and a second configuration. In the first configuration, the handle is positioned outside the pot to enable the handle to be used as a grip for the pot, and in the second configuration, the portion of the handle is positioned inside the pot to enable the handle to support an object over the pot. In some embodiments, the handle may be attached to the arm with a hinge.

Abstract: A system for applying butter to corn on the cob features a corn on the cob ladle with an elongated ladle handle. A hook is located on a handle first end. The corn on the cob ladle features an elongated trough having a trough bottom perpendicularly located on a handle second end. A plurality of apertures is located on a trough bottom. The system features an elongated corn dipping tank with a lid pivotally located thereon and a tank front side having a window centrally located therein.

Abstract: An exemplary embodiment of a vessel-lid combination includes a ceramic or glass vessel having an open top surrounded by a peripheral edge, a lid fabricated of a plastic material, and a seal structure. The lid is configured to attach to the open top by means of a latch or set of latches integrated with the lid, and the seal structure is configured to provide an air-tight seal between the lid and the peripheral edge of the vessel when the lid is attached to the vessel.

Abstract: The present invention relates to a food plate having at least one removable section. The present invention enables a user to hold a food plate and a drinking cup simultaneously with one hand, leaving the other hand free.

Abstract: A combination cup receptacle and cup container assembly for instant food products such as instant soup is disclosed. The assembly includes a hollow cup receptacle having a central ring and a peripherally extending support base for holding and retaining a cup container holding a quantity of food ingredients. The central ring of the cup receptacle forms a cavity to frictionally receive and retain the cup container with the cup container in contact with the bottom of the receptacle cup cavity. The cup receptacle has venting means for preventing pressure differentials between support base of the cup receptacle and an external support surface such as a table top. The cup may be utilized as packaging for instant soup or other food products and the cup receptacle may be included as part of the packaging or provided as a separate item.

Abstract: A disposable chafing dish with handles allows a cost effective safe, efficient, and professional-appearing exchange and serving of food, keeping the servers hands away from the outer edge of the chafing dish where hot steam rises from the water pan. The chafing dish handles of the present invention are formed as part of a closed loop frame. The frame consists of rail members that are configured to align with and to be positioned beneath the chafing dish ledge of disposable chafing dish and which edges can be rolled around portions of the rail members. The rail members form a rectangular, depending on the shape of the chafing dish, structure. Handle members extend from the rail members on opposed sides of the frame and extend in a manner that does not prevent the lid placement or the nesting of chafing dishes in storage.

Abstract: The present disclosure provides a plate including a base portion, and a cup holder located substantially towards a center of the base portion. The cup holder has a top portion that extends above the base portion and a bottom portion that extends below the base portion. An outer rim is located along a circumference of the base portion and extends above the base portion to a height substantially similar to that of the upper portion of the cup holder. The cup holder can have a seat in the bottom portion that can be located at a bottom most portion of the bottom portion or at a distance away from the bottom most portion of the bottom portion.

Abstract: The present invention relates to a method for forming a package by moulding a cardboard blank in such a manner that a margin area (2) of the blank, surrounding a middle portion (1) of the blank, is bent upwards to form side walls of the package while the middle portion forms a bottom of the package. The cardboard blank prior to moulding is provided with at least one area (4) of reduced bending stiffness being located in a transition zone (3) between the side walls and the bottom. The package is moulded from the blank so that the at least one area (4) of reduced bending stiffness is located in the bended areas between the side walls and the bottom and extend in the running direction of the bend. The invention further relates to a package and a package blank that can be used for forming said package.

Abstract: A carry out food bowl comprising a bowl and a removable cover. The bowl includes a conversion demarcation, which defines a conversion section. The conversion section includes a portion of a sidewall of the bowl and a bottom portion of the bowl. The user would depress the conversion section inward creating a new bowl support surface, wherein the new support surface tilts an opening of the bowl. A condiment container receptacle can be integrated into the cover to retain a condiment container assembly. This associates the condiment with the contents of the bowl. The bowl and lid can include a stacking interface enabling one to attach a second bowl onto a cover of a first bowl.

Abstract: A beverage container holder is provided, consisting of an elongated body having a planar upper support surface having alternative engagement mechanisms on opposing ends thereof. At one end an aperture is formed, having an elongated ledge-like support that extends downwardly to a horizontally-extending terminus that underlies a portion of the aperture to receive and retain a beverage container—both cylindrical and goblet-shaped. At an opposing end and at a midpoint of the planar upper support surface, a pair of apertures cooperates with the thumb and fingers of a user's hand, to position and secure a food plate against an upper surface of the beverage container holder. The thumb and fingers extend through the apertures from a position below the holder, and in gripping the food plate, the user is also grasping the holder—which in turn may be carrying a beverage container held within the beverage-receiving aperture.

Abstract: Liquid consumption devices, systems, and methods of using the same are described herein. One method of using a liquid consumption device can comprise determining a hydration plan for a user based on parameters of the user using a computing system, receiving data from a liquid consumption device at the computing system over a period of time, aggregating the data received over the period of time to track liquid consumption of the user, and identifying the user is outside a threshold hydration level based on the aggregated data and the determined hydration plan.

Abstract: A vessel assembly for displaying an image includes a vessel having a first side and a second side. At least a portion of the vessel is at least partially transparent. A plurality of brackets are coupled to the second side of the vessel. The plurality of brackets are configured to stabilize the vessel on a surface. A plurality of brackets are configured to detachably return a support base to the vessel. The support base is configured to retain an image between the support base and the second side of the vessel to allow the image to be viewed through the portion of the vessel that is at least partially transparent.

Abstract: Disposable dishware and utensils with an option to be converted into another use. Set of disposable utensils (forks, spoons, knifes) with an option to be converted into tongs. Every member of the set are equipped with a uniform lock on the tip of the handle. Any two members of the set can be snapped together creating utensil tongs. Set of disposable dishware (plates, bowls, food trays etc.) with an option to be converted into a container. Every member of the set is equipped with a uniform fastener disposed along the rim. Any two members of the set can be faced and attached to each-other creating a closed container. Plurality of fastener extrusions of one set member adapted to be fitted to plurality of fastener intrusions of any set member.

Abstract: A container for food includes a bottom portion having a circular shape; a wall portion including a first wall portion formed continuously from the bottom portion and formed with a curved surface and an inclined surface inclined relative to the bottom portion, and a second wall portion formed continuously from the first wall portion and extending in a direction orthogonal to a surface direction of the bottom portion, the wall portion including an opening formed in a rectangular shape on one side and in a semielliptical shape on another side; and a flange portion formed continuously from the second wall portion.