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. 23, 2019
Filed:
May. 12, 2015
Bridgestone Corporation, Chuo-ku, Tokyo, JP;
Shingo Sugihara, Hiratsuka, JP;
BRIDGESTONE CORPORATION, Chuo-ku, Tokyo, JP;
Abstract
Provided are a mold allowing smooth removal of a molded article therefrom without deforming the molded article, and a method of producing the molded article using the mold. The mold includes a first mold piece (A), a second mold piece (B), and a plurality of third mold pieces (C). One of the first mold piece (A) and the second mold piece (B) has a protrusion cavity surface () that protrudes toward the third mold piece (C) from a mating surface () to contact with the third mold piece (C) and shapes an external profile of the molded article (Ma) together with a cavity surface () of the third mold piece (C) when the mold pieces are clamped with each other.