Bulb-form lamp and its manufacturing method

摘要

To provide a bulb-form lamp including a few compartments, which can be easily fitted in a socket of a lighting equipment and reliably carry out electrical contact between a shell and the socket of the lighting equipment. The bulb-form lamp includes a shell surrounding one end of a casing, and the shell is molded integrally with one end of the casing to make contact with an outer surface of the casing leaving substantially no gap.