The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 2004
Filed:
May. 07, 2001
Applicant:
Inventors:
Hiroshi Sakurai, Takatsuki, JP;
Hiromi Wakasono, Takarazuka, JP;
Masaya Kyono, Nagahama, JP;
Koji Kuwahara, Nagahama, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 2/986 ;
U.S. Cl.
CPC ...
H01J 2/986 ;
Abstract
In a disclosed glass bulb for a cathode-ray tube (CRT), a funnel unit have a less depth than a conventional one. The glass bulb for the CRT includes a panel unit having a panel screen, a neck unit holding an electron gun, and a funnel unit having a funnel-like shape, and the panel unit and the neck unit are bridged by the funnel unit. In the glass bulb, the funnel unit is formed from a plurality of glass members and a maximum-to-minimum thickness ratio of each of the plurality of glass members is designed to be within a range suitable for producing the glass members using pressing.