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Jan Man in T Veld Patents |
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Inventor: T Veld; Jan Man in
Address: Eindhoven, NL
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 3993465 |
Method of manufacturing a tubular lamp envelope |
November 23, 1976 |
| The invention relates to a method of manufacturing a tubular lamp envelope for a fluorescent lamp in which a glass tube is softened by heating, bent around abending jig by means of bending members and then cooled until the material of the tube has solidified. During the solidification th |
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