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Process and apparatus for laser-supported glass forming

A forming tool and glass technology, applied in glass manufacturing equipment, glass forming, glass reshaping, etc., can solve problems such as the influence of manufacturing process

Active Publication Date: 2012-07-11
肖特制药股份有限两合公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In addition, the breaking-in phenomenon can have an impact on the manufacturing process
Run-in occurs due to thermal expansion, etc. caused by burner heating of the equipped components

Method used

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  • Process and apparatus for laser-supported glass forming
  • Process and apparatus for laser-supported glass forming
  • Process and apparatus for laser-supported glass forming

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0050] figure 1 An exemplary embodiment of a device 1 for performing processing according to the invention is shown.

[0051] figure 1 The apparatus of the exemplary embodiment shown in , generally designated by reference numeral 1 , is designed for shaping a glass preform to obtain a glass tube 3 . Specifically, the equipment is used to produce glass syringe bodies using figure 1 The elements of the device shown in 1 consist of a glass tube forming the cone of the syringe body.

[0052] The production of cones from tubular glass by means of the apparatus 1 is based on the local heating of the region of the glass tube 3 (here, its end 30) above the softening point and the shaping of at least one part of the heated end using at least one forming tool , wherein the means for local heating comprises a laser 5 emitting light having a wavelength for which the glass of the glass tube 3 is at most partially transparent, so that the light is at least partially absorbed in the glass...

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Abstract

A process and an apparatus for laser-supported glass forming are provides. The purpose of the present invention is to reduce the adjustment complexity during the forming of glass products, such as the forming of glass tubes to obtain syringe bodies. The glass of a glass pre-product may be heated to be formed, a laser may be used that emits light having a wavelength for which the glass of the glass pre-product is at most partially transparent so that the light is at least partially absorbed in the glass.

Description

technical field [0001] Generally, the present invention relates to the production of glass products. More specifically, the invention relates to the production of preferably insulating glass products by laser supported thermoforming. Background technique [0002] The shaping process of the cone is an important step in the production process of eg glass syringes. The process commonly used for this purpose utilizes fossil fuel burners to heat the glass. Conventional shaping processes comprise a number of successive heating and shaping steps through which the desired final geometry is achieved, starting from a tubular glass body. The commonly used tubular glass has a diameter in the range between 6 mm and 11 mm. [0003] Devices are known in which shaping is accomplished using burners in multiple steps, for example from DE 102005038764B3 and DE 102006034878B3. These units are designed as rotary tables. [0004] Repeated alternating heating and glass-shaping steps are neces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03B23/045C03B23/043C03B23/06
CPCC03B23/092
Inventor 格奥尔格·哈泽尔霍斯特托马斯·里施
Owner 肖特制药股份有限两合公司