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.
Claims12
A method for producing a glass body with at least one inner tube (1) which is closed off on one side and one outer tube (2) which is closed off at least on one side, with the inner tube (1) being connected not coaxially with the floor (3) of the outer tube (2) and the inner tube (1) comprising an opening (4) on the floor (3), wherein
- a) the inner tube (1) is fixed in the outer tube (2) in such a way that the outer tube (2) comprises a projecting portion;
- b) a floor (3) is formed by the projecting portion on the outer tube (2);
- c) an opening (4) is formed by the removal of the glass on the inner tube (1);
- d) the outer tube (2) is evacuated at the end (5) and is molten off.
Dependencies are inferred from the claim text.