Title: System for manufacturing circular formed lamp tubes

Abstract: A system for manufacturing lamp tubes formed in a circular configuration features a plurality of carrier devices attached to a transfer apparatus which links a lamp-tube-softening apparatus, a bending apparatus and an exhaust apparatus, respectively, in an endless or continuous manner. Each carrier device which receives and holds a sealed lamp tube from a supply source or station can thus return to its starting position after completing its passage around the lamp-tube-softening apparatus, the bending apparatus and the exhaust apparatus, respectively.

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Inventors: Nakano, Goro (Kawasaki, JA)
Yoshida, Hidehiko (Chigasaki, JA)
Sakata, Yasuo (Ome, JA)

Application Number: 719133
Filing Date: 1976-08-31
Publication_date: 1978-06-20
Assignee: Tokyo Shibaura Electric Co., Ltd. (JA)
Primary Class(es): 65/281 65/110, 65/271
Other Classes:
US Patent Ref:

2494871	Jan, 1950	Greiner	65/281.
2494872	Jan, 1950	Greiner et al.	65/110.
2494923	Jan, 1950	Yoder et al.	65/110.
3202261	Aug, 1965	Pianowski	198/477.
3208600	Sep, 1965	Bignall et al.	214/1.
3850106	Nov, 1974	Krivec	104/27.

Other Refs:
Primary Examiner: Kellogg, Arthur D.
Assistant Examiner:
Attorney: Oblon, Fisher, Spivak, McClelland & Maier