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. 21, 2025
Filed:
Feb. 25, 2020
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Nozomi Ishihara, Ichihara, JP;
Tadashi Fukunaka, Osaka, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B 7/00 (2006.01); B29B 7/42 (2006.01); B29B 7/80 (2006.01); B29C 31/00 (2006.01); B29C 31/02 (2006.01);
U.S. Cl.
CPC ...
B29B 7/42 (2013.01); B29B 7/80 (2013.01); B29C 31/02 (2013.01);
Abstract
A powder storage apparatusincludes: a containerhaving a powder inletA, a powder outletA, and a gas outletB; and a tubeconnected to the powder inletA. If A[m] is a cross-sectional area of a cross section perpendicular to an axis of the tubeat a bottom endof the tubeand A[m] is a cross-sectional area of the gas outletB, the following expression is satisfied.<4.