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Patent Searching and Data


Title:
少なくとも二つのカバーフリースと中央のパルプ繊維とから成る嵩高なサンドイッチフリースを造るための方法およびこのための機械設備
Document Type and Number:
Japanese Patent JP2007509247
Kind Code:
A
Abstract:
The production of a sandwiched non-woven material from at least two cover non-woven material layers made from chemical fibres, or natural fibres and an inner intermediate layer of pulp fibres is known. After the superimposition of the non-woven material layers, the composite is placed in a hydrodynamic needling device where the connection and fixing of the layers occurs. According to the invention, a more voluminous and hence softer, non-woven end product of the above type may be produced, whereby the lower of the laid, formed and thus produced cover non-woven materials have the volume thereof increased before the application of the pulp layer. The above is achieved by means of a compression of the non-woven material having a given width or by calandering, by means of, for example, geared engaging rollers, or additional pre-water needling.

Inventors:
Munstermann Ulrich
Wattle Alfred
Application Number:
JP2006536074A
Publication Date:
April 12, 2007
Filing Date:
July 30, 2004
Export Citation:
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Assignee:
Freisner Gesellschaft Mito Beschlenktel Haftung
International Classes:
A61F13/15; B32B5/26; D04H1/425; D04H1/492; D04H3/16; D04H5/03; D04H5/06; D04H13/00
Attorney, Agent or Firm:
Mitsufumi Esaki
Okumura Yoshimichi
Blacksmith