The heater bag for bakery products comprises a flexible or semi-rigid casing defining a bottom (111), side walls (110), an opening (112), and means (113) for selectively closing the opening (112). At least one semi-flexible heater plate (121, 122) having an electrical heater element (141, 142) incor
The heater bag for bakery products comprises a flexible or semi-rigid casing defining a bottom (111), side walls (110), an opening (112), and means (113) for selectively closing the opening (112). At least one semi-flexible heater plate (121, 122) having an electrical heater element (141, 142) incorporated therein is itself inserted in a pocket of natural material comprising cotton, flax, and wool, said pocket constituting a portion of the flexible or semi-rigid casing of the bag. For each heater plate (121, 122), the heating power per cm2 lies in the range 0.13 W to 0.24 W.
대표청구항▼
1. A heater bag for bakery products which are made using a flour-based dough, and do not include food not fully incorporated in the dough, the heater bag being configured and operative to warm the bakery products until a temperature between 36° C. and 44° C. starting from a lower ambient temperature
1. A heater bag for bakery products which are made using a flour-based dough, and do not include food not fully incorporated in the dough, the heater bag being configured and operative to warm the bakery products until a temperature between 36° C. and 44° C. starting from a lower ambient temperature while fully conserving the quality and the integrity of these products and simultaneously improving their flavour, the heater bag comprising a flexible or semi-rigid casing defining a bottom, side walls, an opening, and means for selectively closing the opening, wherein the heater bag includes first and second semi-flexible heater plates each having an electrical heater element incorporated therein and said first and second semi-flexible heater plates being inserted in pockets of natural material comprising cotton, flax, and wool, said pockets constituting a portion of the bottom, of the side walls, or of the means for closing the heater bag, wherein, for each said first and second semi-flexible heater plates, the heating power per cm2 lies in the range of 0.16 W to 0.20 W, and wherein each said first and second semi-flexible heater plate comprises an electrical resistance wire integrated in a sheet that is inserted in sheets of silicone glass fabric. 2. A heater bag according to claim 1, wherein the power supply voltage for the heater element of each said first and second semi-flexible heater plates lies in the range of 100 V to 240 V. 3. A heater bag according to claim 1, wherein the first and second semi-flexible heater plates are incorporated in two opposite portions of the side walls. 4. A heater bag according to claim 1, wherein the first and second semi-flexible heater plates are incorporated firstly in the bottom of the heater bag and secondly in the means for selectively closing the opening. 5. A heater bag according to claim 1, wherein each pocket incorporating one of said first and second semi-flexible heater plates comprises firstly an outer cotton lining and a flannelette disposed between the outer cotton lining and said one of said first and second semi-flexible heater plates, and secondly an inner cotton lining placed on the inside relative to said one of said first and second semi-flexible heater plates. 6. A heater bag according to claim 1, wherein the heater bag is elongate in shape and the means for selectively closing the opening are constituted by a simple flexible flap or by closure means disposed in the vicinity of the rim of the opening. 7. A heater bag according to claim 1, wherein the heater bag includes a switch for selectively connecting the heater elements in series for powering from a power supply at a first nominal voltage VN1, or in parallel for powering from a power supply at a second nominal voltage VN2 equal to half the first nominal voltage VN1. 8. A heater bag according to claim 1, wherein the heater bag further comprises a temperature limiter integrated in each said first and second semi-flexible heater plates. 9. A heater bag according to claim 1, wherein said first and second semi-flexible heater plates are disposed in two opposite main faces of the heater bag, and wherein the walls uniting these opposite main faces present a capacity for deformation in a direction perpendicular to said opposite main faces. 10. A heater bag according to claim 1, wherein each said first and second semi-flexible heater plates is removable relative to the pocket in which it is inserted.
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이 특허에 인용된 특허 (9)
Owens, Byron C.; Van Hoy, Mark E.; Bostic, William M., Apparatus and method for heated food delivery.
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