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:
Sep. 06, 2022
Filed:
Jun. 14, 2018
Kao Corporation, Tokyo, JP;
Shinji Hamamoto, Shimotsuke, JP;
Takatoshi Niitsu, Utsunomiya, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
A method for manufacturing a hollow protruding implement () including a fine hollow protrusion () having an opening () of the present invention includes a protrusion forming step of inserting a projecting mold part () into a base material sheet (A) from one face (D) side thereof, the base material sheet containing a thermoplastic resin, thereby forming a non-penetrated hollow protrusion () projecting from another face (U) side of the base material sheet (A). Subsequently, an opening forming step is performed in which an opening () that penetrates the hollow protrusion () is formed by using a contactless opening forming means disposed on the other face (U) side of the base material sheet (A).