Method for producing a glass body
AssigneeSchott Glas
InventorsGottfried Haas, Martin Werner, Michael Siller, Engelbert Braadt
Life of this patent
Estimating the term…
Abstract
The present invention relates to a method for producing a glass body with at least one inner tube which is closed off on one side and one outer tube which is closed off at least on one side, with the inner tube being connected not coaxially with the floor of the outer tube and the inner tube comprising an opening, with the inner tube being fixed in the outer tube in such a way that the outer tube comprises a projecting portion, a floor is formed by the projecting portion on the outer tube, an opening is formed by the removal of the glass on the inner tube, and the outer tube is evacuated at the end and molten off.
Claims8
A method for producing a glass body comprising:
- supporting a first tube on a pair of spacers within an inner dimension of a second tube such that said first and second tubes are not concentric with one another and such that a first end of said second tube extends beyond a first end of said first tube;
- forming a floor of the glass body using said first ends of said first and second tubes;
- and
- forming a sealed space between said first and second tubes by sealing a second end of the second tube.
Dependencies are inferred from the claim text.