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. 16, 2002
Filed:
Jun. 02, 1999
Michinori Nishida, Hiroshima, JP;
Shoso Nishida, Hiroshima, JP;
Other;
Abstract
A method for manufacturing a synthetic resin hollow member wherein using a die slide injection molding machine comprising a stationary die having a series of molding portions formed lengthwise in male-female-female-male sequence, and a movable die having a series of molding portions formed lengthwise in female-male-female sequence, the manufacturing method comprising the following steps: a die clamping step; an injection step for molding two half bodies for the present cycle in a male/female combination of molding portions and joining two half bodies from preceding cycle in a combination of female molding portions; a removal step for opening the dies and removing the finished hollow member; a die sliding step for sliding the dies lengthwise a specific distance relative to each other in a reverse direction of that in the previous cycle; these steps are then repeated to manufacture one hollow member with each die sliding step.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile