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:
Nov. 07, 2023
Filed:
Feb. 28, 2020
Daicel Corporation, Osaka, JP;
Katsuhiro Nakahashi, Tokyo, JP;
DAICEL CORPORATION, Osaka, JP;
Abstract
[Problem] Provided is a method for manufacturing an assembly including an igniter, a projectile, and a cylinder that is easy to assemble. [Solution] A method for manufacturing an assembly included in an electric circuit breaker device, the assembly including an igniter, a projectile, and a cylinder, is a method for disposing a projectile and an igniter in a cylinder of an electric circuit breaker device, the method including: a first step of preparing a cylinder having a first opening, a plurality of through holes formed at intervals in a circumferential direction in a peripheral wall portion on a first opening side, and a second opening, and disposing a projectile in the cylinder; a second step of disposing an igniter main body portion in the cylinder and then disposing the cylinder in a mold; a third step of injection-molding a resin from the first opening side of the cylinder to form a resin portion; a fourth step of removing the cylinder including the projectile and the igniter from the mold; and a fifth step of crimping a peripheral wall portion on the first opening side of the cylinder to fix the resin portion of the igniter.