US Patent 7442426 Press felt for papermaking
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Patent Inventor Names
Akira Onikubo0
Hiroyuki Oda0
Masufumi Shimodaira0
Yasuhiko Kobayashi0
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Patent abstract
A papermaking press felt comprises a base body, a batt layer, and an anti-rewetting layer comprising a non-oriented film, all intertwiningly integrated by needle punching. The anti-rewetting layer has openings with a three-dimensional structure, with an aperture on the paper web side larger than the aperture on the roll side. This press felt exhibits an excellent anti-rewetting effect while maintaining its water removing capability.
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Official Website
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US Patent 07442426 Press felt for papermaking US Patent 7442426 Press felt for papermaking
Infobox
Patent Number
074424260
Patent Number
74424260
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
074424260
Date of Patent
October 28, 2008
0Patent Application Number
107831070
Date Filed
February 20, 2004
0Official Website
Patent Primary Examiner
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US Patent 07442426 Press felt for papermaking
Infobox
Is a
Patent jurisdiction
Patent number
07442426
Date of patent
October 28, 2008
Patent application number
10783107
Date Filed
February 20, 2004
Patent primary examiner
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