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:
Dec. 09, 2008
Filed:
Apr. 04, 2002
Akira Nonomura, Tochigi, JP;
Atsushi Sato, Tochigi, JP;
Shinji Kodama, Tochigi, JP;
Minoru Goto, Tochigi, JP;
Akira Nonomura, Tochigi, JP;
Atsushi Sato, Tochigi, JP;
Shinji Kodama, Tochigi, JP;
Minoru Goto, Tochigi, JP;
Kao Corporation, Tokyo, JP;
Abstract
A method of producing a lipped molded article comprising the steps of forming a molded article having an opening portion by papermaking and outwardly curling the peripheral wall portion which constitutes the opening portion to make a lip. The method is characterized in that the inner surface of the molded article is coated with a resin layer to make a multilayer molded article, the part to be curled of the peripheral wall portion of the molded article is impregnated with a liquid, and the part to be curled is subjected to curling processing while or after being heated.