LAMP AND HEATING DEVICE

摘要

Provided are a lamp and a heating device which are capable of effectively preventing a seal portion from being overheated with a simple structure. A lamp (1) includes: a tube portion (11) in which a filament (13) including a coil portion (14) is contained; a seal portion (12) filled with a metal foil (16) connected to an end of the filament (13); and an overheat preventing portion (30) covering a part of an outer surface (11a) of the tube portion (11).