Method of producing reflectors from glass or glass ceramics
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United States of America Patent
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Aug 3, 2010
Grant Date -
Jul 24, 2008
app pub date -
May 8, 2007
filing date -
Jan 24, 2007
priority date (Note) -
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Abstract
The invention provides a method of producing reflectors from glass or glass ceramics comprising the steps of: molding a reflector being open to the outside and having a closed bottom in a mold at a temperature above the transformation temperature; placing the reflector in a recess of a holder; heating up the reflector in the area of its bottom; lifting the bottom of the reflector from below using a die; punching out at least one opening from the bottom by moving at least one plunger into at least one matching opening in the die.
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