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. 29, 2003
Filed:
Jun. 12, 2000
Masaaki Sakata, Matsumoto, JP;
Kenichi Shimodaira, Komagame, JP;
Injex Corporation, , JP;
Abstract
In a method for manufacturing a sintered body of the present invention, a feed stock including metal powder, a binder, and an organic material having a melting point lower than that of the binder is extrusion molding by using an extruder , so that an extruded body having a desired shape (cross-sectional shape) and dimensions is manufactured. In this method, a temperature of an extrusion side die of an extrusion die is lower than the melting point of the binder and higher than that of the organic material. Next, a debinding treatment (treatment for removing binder) of the obtained extruded body is performed. The debinding treatment is separately performed by a first process in a low temperature region and a second process in a temperature region higher than that in the first process. Subsequently, an obtained debounded body is sintered by baking in a sintering furnace, whereby the sintered body (metal product) is manufactured.