Attachment of caps to press- sealed lamps

摘要

An electric lamp comprises a bulb (1) closed by means of a glass press stem (2), a cap shaped metal part (3) resiliently fixed to the press stem (2) without adhesive, a cylindrical base sleeve (9) pressed into the cap shaped metal part (3) and current lead in wires (11) which emerge from the glass press stem (2) and are insulated from each other where they through the base sleeve (9) and are soldered to a base contact (13) and to the base sleeve 9.