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Drawing method for producing cylinder-shaped components from quartz glass

一种石英玻璃、圆柱形的技术，应用在玻璃的成型、玻璃的成型、玻璃制造设备等方向，能够解决费力等问题

Active Publication Date: 2014-11-12
HERAEUS QUARZGLAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is therefore possible to move these defect locations to the end of the preform where they are less disturbing
[0008] However this method requires labor to detect these defects and trace to the separation location

Method used

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  • Drawing method for producing cylinder-shaped components from quartz glass
  • Drawing method for producing cylinder-shaped components from quartz glass
  • Drawing method for producing cylinder-shaped components from quartz glass

Examples

Experimental program
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Embodiment Construction

[0045] according to figure 1 The arrangement of FIG. 1 shows a resistance heater with a vertically oriented heating tube 1 . The heating tube 1 consists of an annular graphite element with an inner diameter of 193 mm, an outer diameter of 215 mm and which encloses a heating zone 3 with a length of 100 mm.

[0046] The heating tube 1 is supplied with a hollow cylinder 4 of quartz glass, which hollow cylinder has a longitudinal axis 12 oriented as parallel as possible to the drawing axis 2 . The upper end of the hollow cylinder 4 is connected to a holding device 7 by means of which it is displaceable in the horizontal direction (xy), vertically movable up and down and rotatable about the drawing axis 2 .

[0047] The hollow cylinder 4 is softened in the heating zone 3 and a tubular stream 10 is drawn vertically downward from the softened zone, with the formation of a drawing bulb. A roller drawer 8 is used as the drawer, the roll drawer comprising two drawer rolls facing each ...

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Abstract

The present invention refers to a drawing method for producing cylindrical components of quartz glass in that a quartz glass strand is drawn off in the direction of a drawing axis from a shaping zone of soft quartz glass mass and sections having a cutting length are separated from the quartz glass strand, and the cylindrical components are produced from the sections.

Description

technical field [0001] The invention relates to a drawing method for the production of cylindrical parts of quartz glass, in which a strand of quartz glass is drawn from a forming zone of a block of soft quartz glass in the direction of a drawing axis, and from the quartz glass Segments with a cut length are separated from the glass strand and the cylindrical parts are produced from these segments. Background technique [0002] When continuously drawing a glass tube or rod from a crucible or from a preform, the problem arises that the glass strand must be cut into sections of predetermined length. For this purpose, a predetermined breaking point is first formed by damaging (for example by scoring or cutting) the normal outer surface area on the outer surface of the glass strand moving in its longitudinal length direction, and then the glass strand is break at the predetermined breaking point. The glass strand is normally broken by a force acting in a pulse-like manner (for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B17/04C03B33/06
CPCC03B17/04C03B33/06
Inventor T·博格丹O·冈茨H·海因R·萨特曼
Owner HERAEUS QUARZGLAS
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