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Title:
LAMINATED NONWOVEN FABRIC
Document Type and Number:
Japanese Patent JP2003268664
Kind Code:
A
Abstract:

To provide a laminated nonwoven fabric having mechanical strengths, air permeability and filtering characteristics and capable of recycling a raw material resin.

This laminated nonwoven fabric 10 is composed by laminating and bonding a polyolefin split fiber nonwoven fabric 11 composed of a polyolefin resin and a random nonwoven fabric 12 composed of the same resin as the polyolefin resin by thermal embossing using an embossing roll having a plurality of protruding parts formed on the roll surface. The ratio of bonding area of the polyolefin split fiber nonwoven fabric to the random nonwoven fabric 12 by the thermal embossing accounts for about 5-90%, preferably about 7-30%.


Inventors:
KURAHASHI AKIHIKO
Application Number:
JP2002060329A
Publication Date:
September 25, 2003
Filing Date:
March 06, 2002
Export Citation:
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Assignee:
IDEMITSU UNITECH CO LTD
International Classes:
B32B5/26; D04H1/559; (IPC1-7): D04H1/54; B32B5/26
Attorney, Agent or Firm:
木下 實三 (外2名)