公开(公告)号：US3875443A

公开(公告)日：1975-04-01

申请号：US41541073

申请日：1973-11-13

Applicant: MATSUSHITA ELECTRONICS CORP

Inventor： NAKAMURA TAKESHI

IPC: H01K1/18 ,  H01J1/96 ,  H01J19/50

CPC classification number: H01K1/18

Abstract: In an incandescent lamp, particularly projection lamps of large luminosity, both ends of an upper glass bar for holding down supporting hooks, which hangingly support segmented coils of an incandescent filament, are welded to specified positions on the inner face of the bulb, so as to secure the filament rigidly and durably.

Abstract translation: 在白炽灯中，特别是具有大亮度的投影灯，用于保持悬挂支撑白炽灯丝的分段线圈的支撑钩的上玻璃棒的两端焊接在灯泡内表面上的指定位置，以便 牢固地固定长丝。