# US 2014/0196611 A1 · Baking plate for baking ovens > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0196611 A1 - Document ID: US20140196611A1 - Status: Published application - Kind: A1 - Application number: 14/239,309 - Filed: 2012-08-17 - Published: 2014-07-17 - Earliest claimed: 2011-08-18 - Assignees: Haas Food Equipment GmbH - Inventors: Adam Reinhart; Johannes Haas; Josef Haas; Stefan Jirascheck; Manuel Lichtscheidl; Fritz Obermaier - Web page: https://patentgrep.com/patent/US20140196611A1 ## CPC - A21B 5/02: Apparatus for baking hollow articles, waffles, pastry, biscuits, or the like - A21B 3/132: {Assemblies of several baking-tins or forms (A21B3/134 takes precedence)} - A21B 3/15: Baking sheets; Baking boards - A21B 5/023: {Hinged moulds for baking waffles} - A47J 37/0611: {the food being cooked between two heating plates, e.g. waffle-irons} - A21B: BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING (domestic baking equipment A47J37/00) - A47J: KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES ## Abstract A baking plate for a baking oven for producing baked products such as soft waffles, crispy wafers, pancakes and the like. The baking plate has a carrier plate and one or more baking inserts disposed thereon, which are configured for receiving the batter to be baked. The baking inserts are formed from sintered ceramic that are very sturdy and tough and have low thermal expansion. ## Claims ### Claim at position 1 1-16. (canceled) ### Claim 17 A baking plate for a baking oven for producing baked products (e.g., soft waffles, crispy wafers, pancakes, etc.), the baking plate comprising: a carrier plate and one or more baking inserts disposed on said carrier plate and configured for receiving a batter to be baked in the baking oven; and said baking inserts being formed from sintered ceramic having a high degree of toughness and a low coefficient of thermal expansion. ### Claim 18 (depends on 17) The baking plate according to claim 17, wherein said carrier plate is formed with insertion recesses and said baking inserts are inserted in said insertion recesses and said carrier plate is formed from a material having a coefficient of thermal expansion equal to or greater than the coefficient of thermal expansion of said baking inserts. ### Claim 19 (depends on 18) The baking plate according to claim 18, wherein said carrier plate is formed of grey cast iron. ### Claim 20 (depends on 17) The baking plate according to claim 17, wherein said carrier plate is a part of a baking tong having lower and upper baking plates and wherein said carrier plate with said baking tong is movable through an input station, a heated baking chamber, and an output station of the baking oven. ### Claim 21 (depends on 17) The baking plate according to claim 17, wherein said baking inserts have a coefficient of thermal expansion α<9 [10−6×k−1] and said carrier plate has a coefficient of thermal expansion α>9 [10−6×k−1] for the temperature range of 20 to 200° C. ### Claim 22 (depends on 17) The baking plate according to claim 17, wherein said baking inserts have a coefficient of thermal expansion of about 3.2 and said carrier plate has a coefficient of thermal expansion of about 12.5 [10−6×k−1]. ### Claim 23 (depends on 17) The baking plate according to claim 17, wherein said baking inserts are formed from a material selected from the group consisting of silicon nitride and silicon carbide. ### Claim 24 (depends on 23) The baking plate according to claim 23, wherein said baking inserts are formed of gas pressure sintered silicon nitride of type Al/Y. ### Claim 25 (depends on 18) The baking plate according to claim 18, wherein said insertion recesses in said carrier plate are formed to receive said baking inserts with small play for enabling an insertion and removal of said baking inserts with a precise fit. ### Claim 26 (depends on 17) The baking plate according to claim 17, wherein said baking inserts have a baking surface side formed with a surface configuration desired for the baking product, and a circumferential sealing rib and a circumferential side edge. ### Claim 27 (depends on 17) The baking plate according to claim 17, which comprises lugs connected to said carrier plate and disposed to overlap side edges of said baking inserts for holding said baking inserts firmly in said insertion recesses. ### Claim 28 (depends on 27) The baking plate according to claim 27, wherein said lugs connected to said carrier plate by screw bolts. ### Claim 29 (depends on 27) The baking plate according to claim 27, wherein said side edge of each said baking insert is formed with an edge recess for each lug. ### Claim 30 (depends on 27) The baking plate according to claim 27, wherein a plurality of lugs (two, preferably three or four lugs) and edge recesses are provided for each said baking insert. ### Claim 31 (depends on 27) The baking plate according to claim 27, wherein said lugs are formed of metal. ### Claim 32 (depends on 31) The baking plate according to claim 31, wherein said lugs are formed of stainless steel. ### Claim 33 (depends on 17) The baking plate according to claim 17, wherein each said insertion recess is formed with a ventilation hole. ### Claim 34 (depends on 20) The baking plate according to claim 20, wherein said baking plates of a baking tong are disposed in respectively one supporting frame, and wherein a lower supporting frame and an upper supporting frame are interconnected by way of a joint. ### Claim 35 (depends on 17) The baking plate according to claim 17, wherein said baking plate is part of a baking plate tong having a lower baking plate and an upper baking plate, wherein said baking inserts are disposed opposite one another so that, after closing said baking tongs, a space for the batter and for the baking product formed therefrom is formed between mutually cooperating baking inserts. ### Claim 36 (depends on 17) A baking oven, comprising an orbit track for baking plates circulating through a baking chamber and a conveying device for conveying respective baking plates according to claim 17 along said orbit track.