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Patent Searching and Data

Document Type and Number:
Japanese Patent JP2005538259
Kind Code:
The present invention relates to perforation device for the manufacture of a perforated nonwoven material, whereby a prebonded nonwoven with embossing points is guided to a nonwoven perforation device, needles of a needle roller engage into the prebonded nonwoven and perforate it, and the perforated nonwoven material then undergoes further processing. A ratio is set between the number of needles to the number of embossed points of between 0.15 and 0.25 and a ratio of hole size to embossed point size of between 0.15 and 0.25.

Mut, Matthias
Richter, Axle
Zodeman, Ralph
Application Number:
Publication Date:
December 15, 2005
Filing Date:
July 05, 2003
Export Citation:
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Corovin GmbH
International Classes:
D06C23/04; B26F1/24; B32B3/10; D04H1/44; D04H1/48; D04H1/54; D04H1/544; D04H1/549; D04H1/55; D04H1/559; D04H1/56; D04H1/70; D04H3/14; D04H3/16; D04H5/06; G09F3/00; (IPC1-7): D06C23/04
Attorney, Agent or Firm:
Shusaku Yamamoto
Takamura Yasumura
Morishita Natsuki