IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0704067
(2010-02-11)
|
등록번호 |
US-8212193
(2012-07-03)
|
우선권정보 |
IT-MI09A0195 (2009-02-13) |
발명자
/ 주소 |
- Ferron, Francesco
- Ferron, Jacopo
|
출원인 / 주소 |
- Ballarini Paolo & Figli S.p.A.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
10 |
초록
▼
An aluminium cooking vessel comprises a vessel bottom coupled to a steel plate for providing an electric induction plane heating, the steel plate including a plurality of plate holes and being subjected, about each plate hole to a force applied with an annular pattern to deform the steel plate about
An aluminium cooking vessel comprises a vessel bottom coupled to a steel plate for providing an electric induction plane heating, the steel plate including a plurality of plate holes and being subjected, about each plate hole to a force applied with an annular pattern to deform the steel plate about each hole with a Z deforming arrangement, the vessel material, displaced as the steel plate is deformed assuming a mushroom arrangement to cover the perimeter of the plate holes.
대표청구항
▼
1. An induction cooking vessel, comprising: a vessel body having a vessel bottom wall constituted of a deformable, non-ferrous material, and side walls extending upwardly from the vessel bottom wall; anda plate constituted of a deformable, ferrous material, the plate having a generally planar plate
1. An induction cooking vessel, comprising: a vessel body having a vessel bottom wall constituted of a deformable, non-ferrous material, and side walls extending upwardly from the vessel bottom wall; anda plate constituted of a deformable, ferrous material, the plate having a generally planar plate body and a plurality of holes extending through the plate,wherein the plate has deformed, generally conical, plate portions surrounding each hole and extending into the deformed vessel bottom wall,wherein the plate has deformed, generally planar, end portions extending into the deformed vessel bottom wall and lying generally parallel to the generally planar plate body, andwherein the vessel bottom wall has deformed bottom wall portions extending through each hole past and underneath the deformed, generally planar, end portions to couple the plate to the vessel bottom wall. 2. The induction cooking vessel of claim 1, wherein the non-ferrous material of the vessel body is aluminum, and wherein the ferrous material of the plate is steel. 3. The induction cooking vessel of claim 1, wherein each deformed, generally conical, plate portion converges in a direction away from the generally planar plate body to a respective deformed, generally planar, end portion. 4. The induction cooking vessel of claim 1, wherein each deformed bottom wall portion has a generally planar, outer surface. 5. The induction cooking vessel of claim 1, wherein each deformed, generally planar, end portion is captured and embedded in a respective deformed bottom wall portion. 6. The induction cooking vessel of claim 1, wherein the plate and the vessel bottom wall have circular shapes. 7. The induction cooking vessel of claim 1, wherein the plate is symmetrical about a central axis, and wherein the holes are spaced apart and arranged along rows extending radially of the axis. 8. The induction cooking vessel of claim 7, wherein a number of the holes along one of the rows is different from a number of the holes along another of the rows. 9. The induction cooking vessel of claim 7, wherein the holes have centers that are spaced apart by a radial distance of at least twelve millimeters. 10. The induction cooking vessel of claim 1, wherein the plate has an overall surface area, and wherein the holes occupy an area that is less than twelve percent of the overall surface area. 11. The induction cooking vessel of claim 1, wherein each hole has a circular shape. 12. The induction cooking vessel of claim 1, wherein each hole has an oval shape. 13. The induction cooking vessel of claim 1, wherein the plate is a disc having a thickness that is less than one-half a millimeter. 14. A method of making an induction cooking vessel, comprising the steps of: forming a vessel body with a vessel bottom wall of a deformable, non-ferrous material and side walls extending upwardly from the vessel bottom wall;forming a plate of a deformable, ferrous material with a generally planar plate body, a plurality of holes extending through the plate, and plate portions surrounding each hole;deforming each plate portion to have a deformed, generally conical inclined wall that extends into the vessel bottom wall, and to terminate in a deformed, generally planar, end portion that extends into the vessel bottom wall and lays generally parallel to the generally planar plate body; anddeforming the vessel bottom wall to have deformed bottom wall portions extending through each hole past and underneath each deformed, generally planar, end portion to couple the plate to the vessel bottom wall.
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