Thermally stable glass tubing forming apparatuses
US10399883B2 · kind B2 · utility
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4References
24Claims
0Family size
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Key dates
| Filing date | Jan 9, 2017 |
| Grant date | Sep 3, 2019 |
| Priority date | — |
| Expiry date | Jun 1, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D23/19
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A bell positioning apparatus for glass tubing manufacturing includes a bell and a support connected to the bell. A bell positioning apparatus is attached to the support and configured to move the support and the bell with at least three degrees of freedom. The bell positioning apparatus includes a platform, a platform frame, and one or more frame legs. A frame leg dimensional stability apparatus maintains a temperature variation within 6.5° C. per meter of distance between each frame leg for an extended period of time, e.g. 4 hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.