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:
Jan. 27, 1998
Filed:
Jan. 19, 1996
Applicant:
Inventors:
Hideo Ichikawa, Numazu, JP;
Sunao Ikeda, Numazu, JP;
Michiharu Narushima, Shimizu, JP;
Nobuhiro Makita, Numazu, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65B / ;
U.S. Cl.
CPC ...
141 67 ; 141 12 ; 141 73 ; 53405 ;
Abstract
A powder filling method and a powder filling device for filling a powder such as toner, chemical, cosmetics or food material in a powder container efficiently at a high density includes the steps of inserting an air aspirating pipe in a powder filled in a powder container, aspirating air in the powder through the air aspirating pipe, and moving one end of the air aspirating pipe from a bottom portion to a top portion of the powder container, corresponding to an amount of the powder filled.