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. 18, 2003
Filed:
Mar. 07, 2002
Applicant:
Inventors:
Assignee:
NGK Insulators, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B 1/500 ; B29C 7/100 ;
U.S. Cl.
CPC ...
B29B 1/500 ; B29C 7/100 ;
Abstract
A method for debindering of powder molded body, including dipping, in an extracting solution an aqueous surfactant solution, a ceramic powder or metal powder molded body containing a binder with at least two kinds of binder components, to selectively extract and remove at least one kind of binder component from the molded body, and then removing the binder components remaining in the molded body after extraction. This debindering method permits rapid debindering while preventing the generation of defects such as cracks and the like, is highly safe to human health and environment, and requires a low facility cost.