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:
Sep. 19, 1989
Filed:
Feb. 01, 1989
Akira Narukawa, Yokkaichi, JP;
Yoshimoto Kosegawa, Nishinomiya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
An apparatus for automatically and accurately weighing powder materials comprising powder containers containing powder materials, respectively, to be weighed, powder cups for directly receiving powder material from the powder containers, respectively, and means for automatically feeding the powder material from one of the powder containers to one of the weighing cups through a feeder is disclosed. Each of the powder containers is integrally provided with the feeder so that one powder material fed into the weighing cup through the feeder is prevented from contaminating with other powder materials and therefore, the powder material can be accurately weighed. The powder container includes means for improving the accuracy of weighing.