公开(公告)号：US3839002A

公开(公告)日：1974-10-01

申请号：US27997072

申请日：1972-08-11

Applicant: PHILIPS CORP

Inventor： VERHOEVEN A ,  BOGAARD J ,  PEPER J

IPC: H01J9/24 ,  C03B23/025 ,  C03B23/217 ,  C03B23/24 ,  H01J9/26 ,  H01J29/86

CPC classification number: H01J29/861 ,  C03B23/0252 ,  C03B23/217 ,  C03B23/24

Abstract: Method of manufacturing envelopes for cathode-ray tubes, in particular for oscillograph tubes, in which first a cone having a cylindrical and a rectangular end is formed by sealing together two identical pre-shaped dishes of mirror plate, after which a neck composed of tubular glass is sealed to the cylindrical end of the cone and a rectangular screen of mirror plate is sealed to the rectangular end.

Abstract translation: 制造用于阴极射线管，特别是用于示波器管的信封的方法，其中首先将具有圆柱形和矩形端部的圆锥体通过将两个相同的预制盘形板密封在一起形成，之后由管状物 玻璃被密封到锥体的圆柱形端部，并且矩形屏幕的镜板被密封到矩形端。