| PATENT ASSIGNEE'S COUNTRY | France |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | Societé des Ceramiques Techniques |
| PATENT CLAIMS | Method for sintering tube pre-forms in furnace to thereby obtain ceramic tubes having excellent straightness which comprises placing tube pre-forms inside support tubes, said tube pre-forms having inside diam. of 1.8-2.2 mm & outside diam. of 3-4 mm, said support tubes having an inside diam. > than 4.5 mm, each such support tube contg one tube pre-form |
| PATENT PHOTOCOPY | Available on request |
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