US 12,185,806 B2
Portable lunchbox
Claudio Ribeiro Ruiz, Zizers (CH); and Reto Muhl, Büttenhardt (CH)
Assigned to Nexenic AG, Winterthur (CH)
Appl. No. 17/278,364
Filed by Nexenic AG, Winterthur (CH)
PCT Filed Sep. 25, 2019, PCT No. PCT/EP2019/075885
§ 371(c)(1), (2) Date Mar. 22, 2021,
PCT Pub. No. WO2020/064848, PCT Pub. Date Apr. 2, 2020.
Claims priority of application No. 18197440 (EP), filed on Sep. 28, 2018.
Prior Publication US 2021/0345743 A1, Nov. 11, 2021
Int. Cl. A45C 11/20 (2006.01); A45C 13/00 (2006.01); A45C 13/02 (2006.01); A45C 13/10 (2006.01); A47J 36/24 (2006.01); A47J 36/32 (2006.01); H05B 1/02 (2006.01)
CPC A45C 11/20 (2013.01) [A45C 13/008 (2013.01); A45C 13/02 (2013.01); A45C 13/10 (2013.01); A47J 36/2483 (2013.01); A47J 36/32 (2013.01); H05B 1/0202 (2013.01); H05B 1/0258 (2013.01); H05B 2203/021 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A portable lunchbox for storing, transporting and preparing food, comprising
a base;
a food cavity for receiving food;
a heating cavity for receiving water and being defined by the base;
a heating element for heating water in the heating cavity; and
a switch device which can be switched from a first state to a second state;
wherein the base surrounds the food cavity and the heating cavity;
wherein the lunchbox is designed:
in the first state of the switch device to heat food arranged in the food cavity, and
in the second state of the switch device to steam food arranged in the food cavity;
wherein the lunchbox, in the first state and the second state, is closed with respect to an outside in a gas-tight and liquid-tight manner;
wherein the switch device:
in the first state closes a gas connection between the heating cavity and the food cavity, and
in a second state, opens the gas connection between the heating cavity and the food cavity.