“Glass Tube For A Fluorescent Lamp And Method For Producing Same”

Abstract: The glass tube for a fluorescent lamp of the present invention includes a cylindrical glass tube that contains 5 to 17 wt% of Na¬2O) and 3 to 7 wt% of K2O and a protective film that partially or entirely covers the peripheral surface of the glass tube and that contains a nonionic surfactant having an HLB value of 8 or greater, and has a sliding angle of 10° or less. The nonionic surfactant preferably is a nonionic surfactant represented by Formula 1 below. In the formula, R is a linear alkyl group having 12 to 18 carbon atoms; n indicates the average molar number of EO added, and n is 4 or greater; and EO is an ethyleneoxy group (CH¬2CH¬2O). R-O-(EO)n-H (Formula 1)

Patent Information

Application #

Filing Date

30 November 2010

Publication Number

52/2013

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

PANASONIC CORPORATION

1006 Oaza Kadoma Kadoma-shi Osaka 571-8501 Japan

Inventors

1. MOTOYA Atsushi

c/o Panasonic Corporation 1006 Oaza Kadoma Kadoma-Shi Osaka 571-8501 Japan

2. KITA Yoshiyuki

c/o Panasonic Corporation 1006 Oaza Kadoma Kadoma-Shi Osaka 571-8501 Japan

3. TANIUCHI Akira

c/o Panasonic Corporation 1006 Oaza Kadoma Kadoma-Shi Osaka 571-8501 Japan

Specification

PLEASE SEE THE SPECIFICATION ATTACHED.

Documents

Application Documents

#	Name	Date
1	8512-DELNP-2010-Form-13-(07-12-2010).pdf	2010-12-07
1	Drawings.pdf	2011-08-20
2	8512-DELNP-2010-Correspondence-Others-(07-12-2010).pdf	2010-12-07
2	Form-1.pdf	2011-08-20
3	Form-3.pdf	2011-08-20
3	Form-5.pdf	2011-08-20
4	Form-3.pdf	2011-08-20
4	Form-5.pdf	2011-08-20
5	8512-DELNP-2010-Correspondence-Others-(07-12-2010).pdf	2010-12-07
5	Form-1.pdf	2011-08-20
6	8512-DELNP-2010-Form-13-(07-12-2010).pdf	2010-12-07
6	Drawings.pdf	2011-08-20