VESSEL AND ITS MANUFACTURING METHOD

摘要

PROBLEM TO BE SOLVED: To easily fit to a socket of a luminaire and surely conduct electrical contact between a shell and the socket of the luminaire despite of being constituted of a small number of parts and manufactured at a low cost. SOLUTION: The shell 8 enveloping one end of a case 2 is installed, and the shell 8 is integratedly molded to one end of the case 2 and comes in contact with the outer surface the case 2 with actually no gap.