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:
Apr. 28, 2020
Filed:
Oct. 06, 2015
Kao Corporation, Tokyo, JP;
Takatoshi Niitsu, Utsunomiya, JP;
Hideo Kobayashi, Mooka, JP;
Satoshi Ueno, Utsunomiya, JP;
Ryosuke Manabe, Oyama, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
A method for manufacturing a fine hollow protruding article () according to the invention involves: a protrusion forming step of bringing a projecting mold part () that includes a heating means into contact from one surface (D) side of a base sheet () including a thermoplastic resin, and, while softening, with heat, a contact section (TP) in the base sheet () where the projecting mold part () contacts the base sheet (), inserting the projecting mold part () into the base sheet (), to form a protrusion () that protrudes from the other surface (U) side of the base sheet (); a cooling step of cooling the protrusion () in a state where the projecting mold part () is inserted in an interior of the protrusion (); and a release step of withdrawing the projecting mold part () from the interior of the protrusion () after the cooling step, to form the fine hollow protruding article ().