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1. EP3121154 - GLASS-FORMING MANDREL WITH A DIFFUSION LAYER

Office European Patent Office
Application Number 16179186
Application Date 13.07.2016
Publication Number 3121154
Publication Date 25.01.2017
Publication Kind B1
IPC
C03B 23/09
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
23Re-forming shaped glass
04Re-forming tubes or rods
09Reshaping the ends, e.g. as grooves, threads or mouths
C03B 23/043
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
23Re-forming shaped glass
04Re-forming tubes or rods
043Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners
C03B 23/045
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
23Re-forming shaped glass
04Re-forming tubes or rods
045Tools or apparatus specially adapted for re-forming tubes or rods in general, e.g. glass lathes, chucks
C03B 23/049
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL
23Re-forming shaped glass
04Re-forming tubes or rods
049by pressing
CPC
C03B 23/043
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
23Re-forming shaped glass
04Re-forming tubes or rods
043Heating devices specially adapted for re-forming tubes or rods in general, e.g. burners
C03B 23/045
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
23Re-forming shaped glass
04Re-forming tubes or rods
045Tools or apparatus specially adapted for re-forming tubes or rods in general, e.g. glass lathes, chucks
C03B 23/049
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
23Re-forming shaped glass
04Re-forming tubes or rods
049by pressing
C03B 23/092
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
23Re-forming shaped glass
04Re-forming tubes or rods
09Reshaping the ends, e.g. as grooves, threads or mouths
092by pressing
C03B 23/095
CCHEMISTRY; METALLURGY
03GLASS; MINERAL OR SLAG WOOL
BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
23Re-forming shaped glass
04Re-forming tubes or rods
09Reshaping the ends, e.g. as grooves, threads or mouths
095by rolling
Applicants SCHOTT AG
Inventors WITTE JÖRG DR
GALETZ MATHIAS DR
NAJI AMMAR
Designated States
Title
(DE) FORMDORN MIT DIFFUSIONSSCHICHT ZUR GLASFORMUNG
(EN) GLASS-FORMING MANDREL WITH A DIFFUSION LAYER
(FR) MANDRIN DE FORMAGE COMPRENANT UNE COUCHE DE DIFFUSION DESTINEE AU FORMAGE DE VERRE
Abstract
(DE)
Die Erfindung betrifft allgemein die Herstellung von Glasprodukten. Insbesondere betrifft die Erfindung ein Formwerkzeug, umfassend einen Formdorn, ein Verfahren und eine Vorrichtung zur Heißformgebung von Glas. Die auf diese Weise erhaltenen Glasprodukte können beispielsweise als Pharmapackmittel verwendet werden. Der Formdorn zum Umformen wenigstens eines Abschnittes eines erhitzten Bereiches des Glas-Vorproduktes umfasst dabei ein temperaturstabiles Kernmaterial und eine Diffusionsschicht, welche während des Umformprozesses im Kontakt mit dem Glas-Vorprodukt steht.

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