The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2014
Filed:
May. 25, 2009
Keima Takabayashi, Tochigi, JP;
Minoru Wada, Tochigi, JP;
Kenji Ishikawa, Tochigi, JP;
Kazutoshi Ootsuka, Tochigi, JP;
Keima Takabayashi, Tochigi, JP;
Minoru Wada, Tochigi, JP;
Kenji Ishikawa, Tochigi, JP;
Kazutoshi Ootsuka, Tochigi, JP;
Kao Corporation, Tokyo, JP;
Abstract
A laminate () is prepared by superposing a fibrous web (), () containing fibers comprising polyethylene terephthalate on one side or both sides of a net-form sheet (); water needling the fibrous web (), () to entangle the fibers of the fibrous web (), () with each other, and also to entangle the fibers of the fibrous web (), () with the net-form sheet (); and then, blowing hot air having a temperature above the glass transition temperature (Tg (° C.)) of the polyethylene terephthalate and below 'Tg (° C.)+70° C.' to the laminate () by through-air technique. Preferably, after preparing the laminate () by entangling the fibers of the fibrous web(s) (), () with the net-form sheet (), the laminate () is dried with hot air; and then hot air is blown to the laminate () by through-air technique.