JPS5347182A - Method of producing glass parts electric bulbs for reflecting projection - Google Patents

Method of producing glass parts electric bulbs for reflecting projection

Info

Publication number
JPS5347182A
JPS5347182A JP12132776A JP12132776A JPS5347182A JP S5347182 A JPS5347182 A JP S5347182A JP 12132776 A JP12132776 A JP 12132776A JP 12132776 A JP12132776 A JP 12132776A JP S5347182 A JPS5347182 A JP S5347182A
Authority
JP
Japan
Prior art keywords
producing glass
glass parts
electric bulbs
parts electric
reflecting projection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP12132776A
Other languages
Japanese (ja)
Inventor
Junichi Tsukahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP12132776A priority Critical patent/JPS5347182A/en
Publication of JPS5347182A publication Critical patent/JPS5347182A/en
Pending legal-status Critical Current

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

PURPOSE: To facilitate the formation of retaining pieces of complicated shape, through softening by heating and press forming of a part of the tip of the portion of a reflecting body with a surface of ellipsoid of revolution which is expanded outward in a ring along the axis thereof.
COPYRIGHT: (C)1978,JPO&Japio
JP12132776A 1976-10-12 1976-10-12 Method of producing glass parts electric bulbs for reflecting projection Pending JPS5347182A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12132776A JPS5347182A (en) 1976-10-12 1976-10-12 Method of producing glass parts electric bulbs for reflecting projection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12132776A JPS5347182A (en) 1976-10-12 1976-10-12 Method of producing glass parts electric bulbs for reflecting projection

Publications (1)

Publication Number Publication Date
JPS5347182A true JPS5347182A (en) 1978-04-27

Family

ID=14808496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12132776A Pending JPS5347182A (en) 1976-10-12 1976-10-12 Method of producing glass parts electric bulbs for reflecting projection

Country Status (1)

Country Link
JP (1) JPS5347182A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080604U (en) * 1983-11-08 1985-06-04 東芝硝子株式会社 headlights

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080604U (en) * 1983-11-08 1985-06-04 東芝硝子株式会社 headlights

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