Title:
陰極線管用ガラスファンネル及び陰極線管
Document Type and Number:
Japanese Patent JP3582377
Kind Code:
B2
Abstract:
Stress concentration that causes at a central portion of side surfaces of a glass funnel body portion close to a sealed portion is restrained by providing concaves in diagonal portions of the glass funnel body portion, which have the highest rigidity.
Inventors:
Tsunehiko Sugawara
Kentaro Ryukoshi
Kentaro Ryukoshi
Application Number:
JP28446298A
Publication Date:
October 27, 2004
Filing Date:
October 06, 1998
Export Citation:
Assignee:
Asahi Glass Co., Ltd.
International Classes:
H01J29/86; (IPC1-7): H01J29/86
Domestic Patent References:
| JP877949A |