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. 04, 2018
Filed:
Jun. 23, 2015
Hosokawa Yoko Co., Ltd., Tokyo, JP;
Toru Ichikawa, Misato, JP;
Tomonari Shinohara, Iruma-gun, JP;
HOSOKAWA YOKO CO., LTD., Tokyo, JP;
Abstract
In the present invention, a blocking tube () has a tubular blocking layer () made of a material having barrier properties, and a tubular covering layer () which is disposed in contact with at least the inner peripheral surface of the blocking layer () and is made of a material of the same quality as a base resin. One end portion of the covering layer () protrudes further toward the outside than an end portion of the blocking layer () which is disposed on the outer periphery side. In the blocking tube (), the inner peripheral surface of the covering layer () forms the inner surface of a pouring hole (), and the end face on the one end portion side in an axial direction of the covering layer () and the outer peripheral surface of the covering layer (), which protrudes from an end portion in the axial direction of the blocking layer () are embedded in the base resin in contact with the base resin.