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. 03, 1998
Filed:
Jul. 30, 1996
Yoshihiro Takabatake, Aichi-ken, JP;
NEO-EX Lab., Inc., Aichi-Ken, JP;
Abstract
A method of plugging up a coating material introduction aperture formed on a hollow structural member, the hollow structural member being coated with a coating material through dip coating and then heated to bake the coating material coated thereon, which includes the steps of providing a plug having a coating material introduction passage and formed of a foamable material which is foamable by heat at the time the hollow structural member is heated to bake the coating material coated thereon, inserting the plug as unfoamed into the coating material introduction aperture before the hollow structural member is coated with the coating material through the dip coating, and heating the plug to produce a foamed product so as to plug up the coating material introduction aperture. The step of heating the plug is performed by heat which is applied to the hollow structural member for baking the coating material coated thereon.