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:
Mar. 29, 2022
Filed:
Nov. 17, 2017
Sharp Kabushiki Kaisha, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, JP;
Abstract
A human body is cooled at an appropriate temperature, and a sufficient usage time is ensured. A cooling tool according to one aspect of the present invention is a cooling tool for cooling a human body, including a freezing materialthat undergoes a phase change at a particular temperature and a first container containing the freezing material. The first container transfers heat between the human body and the freezing material at a contact surface in contact with the skin of the human body. At least the contact surface has a thermal effusivity within the possible range of thermal effusivity of the skin of the human body. The contact surface may have a thermal effusivity (J/(m2˜S1/2·K)) of 1,000 to 2,000.