Method and apparatus for foam forming
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United States of America Patent
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Aug 26, 2008
Grant Date -
Feb 24, 2005
app pub date -
Nov 7, 2002
filing date -
Nov 9, 2001
priority date (Note) -
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Abstract
The present invention relates to a method and apparatus for foam forming, wherein fibrous foam suspension is introduced from the head box (78, 178) of a production machine to the web forming section thereof. At least one solid material is mixed into the foam in the head box (78, 178). The method and the apparatus of the invention are particularly suitable for manufacturing various web-like products of cellulose, glass fiber, aramide, sisal, or other corresponding fibre material.
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