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:
Dec. 09, 2008
Filed:
Dec. 29, 2005
Kenji Harada, Kyoto, JP;
Hitoshi Kusunoki, Kyoto, JP;
Kenji Harada, Kyoto, JP;
Hitoshi Kusunoki, Kyoto, JP;
Kikusui Seisakusho Ltd., Kyoto, JP;
Abstract
An compressive molding machine for powder material comprises an upper punch dust-proof unitthat surrounds a sliding partof an upper punchand that has expandable elasticity, and an upper seal that is arranged at a lower end portion of an upper punch holding boreholding the upper punchon a rotary turretand that holds the upper punchslidably and air-tightly, and is further provided with a communicating meansthat makes inside of the upper punch dust-proof unitcommunicate with outside of the upper punch dust-proof unitat a time when the upper punch dust-proof unitmakes an abutting contact with a portion near a circumference of the upper seal