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.

Date of Patent:
Jan. 03, 2023

Filed:

Jun. 28, 2018
Applicants:

Fujifilm Business Innovation Corp., Tokyo, JP;

Fujifilm Corporation, Tokyo, JP;

Inventors:

Koichi Kumeta, Yokohama, JP;

Fuyuki Kokubu, Yokohama, JP;

Shinya Mitourida, Yokohama, JP;

Koh Umenai, Yokohama, JP;

Shogo Yamazoe, Ashigarakami-gun, JP;

Shinya Hakuta, Ashigarakami-gun, JP;

Akihiko Ohtsu, Ashigarakami-gun, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F 13/24 (2006.01); G10K 11/172 (2006.01);
U.S. Cl.
CPC ...
F24F 13/24 (2013.01); G10K 11/172 (2013.01); F24F 2013/245 (2013.01);
Abstract

A first ventilation duct line has a first portion having a first sectional area, a second portion having a second sectional area larger than the first sectional area, and a third portion having an inclined inner face connecting the first portion and the second portion to each other. Further, there is a second ventilation duct line having an opening portion positioned on an inner side of the first portion of the first ventilation duct line.


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