US 11,918,994 B2
Safety cabinet
Takeshi Matsumura, Tainai (JP); and Takeshi Kaneko, Tainai (JP)
Assigned to Hitachi Industrial Equipment Systems Co., Ltd., Tokyo (JP)
Appl. No. 17/595,592
Filed by Hitachi Industrial Equipment Systems Co., Ltd., Tokyo (JP)
PCT Filed Apr. 27, 2020, PCT No. PCT/JP2020/017926
§ 371(c)(1), (2) Date Nov. 19, 2021,
PCT Pub. No. WO2021/005869, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 2019-128745 (JP), filed on Jul. 10, 2019.
Prior Publication US 2022/0234038 A1, Jul. 28, 2022
Int. Cl. B01L 1/02 (2006.01); B01L 1/04 (2006.01); B08B 15/02 (2006.01); F21S 4/28 (2016.01); F21Y 103/10 (2016.01); F21Y 115/10 (2016.01)
CPC B01L 1/02 (2013.01) [B01L 1/04 (2013.01); B08B 15/023 (2013.01); F21S 4/28 (2016.01); B01L 2200/082 (2013.01); B01L 2200/141 (2013.01); B01L 2300/0681 (2013.01); F21Y 2103/10 (2016.08); F21Y 2115/10 (2016.08)] 9 Claims
OG exemplary drawing
 
1. A safety cabinet comprising:
a work room;
a front surface door covering a part of a front opening portion of the work room;
a work opening portion on a lower side of the front surface door allowing a worker to work with his or her hand in; and
an intake port suctioning air in the work room and outside air through the work opening portion on a front surface side of a workbench in a lower portion of the work room,
wherein a straightening plate drawing an air flow is provided on the work room side of the front surface door and above a front portion of the work room; and
wherein a decorative plate for filling a gap between the safety cabinet and an indoor ceiling surface is made of mirror-finished stainless steel.