Process and system for making noise absorber carpet and a noise absorber carpet made therefrom
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 8, 2011
Grant Date -
Nov 20, 2008
app pub date -
Apr 25, 2008
filing date -
Apr 11, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A noise absorber carpet comprised of a fabric layer portion and a resinous backing layer portion is provided. The fabric layer portion and the resinous backing layer portion are heat bonded with a press into the noise absorber carpet, and the press includes perforation pins and a cooling medium. The resinous backing layer portion is provided with noise absorbing perforations formed by contact with the perforation pins of the press and cooled by the cooling medium. The perforations having been cooled by the cooling medium with the press simultaneously with the bonding of the resinous backing layer portion with the fabric layer portion and the cooling of the press by the cooling medium, thereby providing for instant curing and fixation of the shape of the perforations.
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International Classification(s)
Cited Art Landscape
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