Device and method for the production of a water barrier in an unhardened roof tile
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United States of America Patent
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May 24, 2011
Grant Date -
Dec 17, 2009
app pub date -
Mar 7, 2006
filing date -
Mar 9, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a device and a method for producing a water barrier in unsolidified roof tile preforms. The inventive device comprises a molded piece with a recess as well as a die. The molded piece is disposed above the end of a roof tile perform, whereupon all or part of the rear edge of the roof tile perform is pressed upward by means of the die. The roof tile perform is then dried.
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Family
International Classification(s)
Cited Art Landscape
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