PYROTECHNICAL HEATING DEVICE Russian patent published in 1994 - IPC

FIELD: device for heating of various materials. SUBSTANCE: device comprises casing 1 with holes which accommodates a cartridge of pyrotechnical composition 3 with igniter 2, and a gasket made in the form of segments 4 which separate the cartridge from casing walls. In order to ensure heating to the temperature of self-supporting combustion of charge made from mixed components in a relation exceeding the upper concentration limit at operating temperature of device, the segments are made from pyrotechnical low-gas mixture with self-spreading combustion whose thickness and width are larger than critical values and which satisfy the relation submitted in description and claims of the invention. . EFFECT: improved design. 2 dwg