	US 11,814,238 B2
	Dry powder spray bottle
Zhian Zheng, Yuyao (CN); Lijiang Xu, Yuyao (CN); Yinlong Xu, Yuyao (CN); and Jiefeng Zhou, Yuyao (CN)
Assigned to Yuyao Doucai Plastic Industrial Co., Ltd., Yuyao (CN)
Filed by Yuyao Doucai Plastic Industrial Co., Ltd., Yuyao (CN); Zhian Zheng, Yuyao (CN); Lijiang Xu, Yuyao (CN); Yinlong Xu, Yuyao (CN); and Jiefeng Zhou, Yuyao (CN)
Filed on Jun. 29, 2022, as Appl. No. 17/809,817.
Claims priority of application No. 202111620748.8 (CN), filed on Dec. 28, 2021; and application No. 202123338775.4 (CN), filed on Dec. 28, 2021.
Prior Publication US 2023/0202742 A1, Jun. 29, 2023
Int. Cl. B65D 83/06 (2006.01)

CPC B65D 83/06 (2013.01)

20 Claims

1. A dry powder spray bottle, comprising: a bottle body, an upper cover and a head cap with a spray port, wherein the bottle body comprises an outer bottle and an inner bottle, the inner bottle being arranged within the outer bottle, a piston and a one-way air inlet valve being sequentially arranged between a lower end of the inner bottle and an inner wall of the outer bottle, a powder storage cavity being formed above the piston, and an airbag structure being formed between a lower end of the one-way air inlet valve and the inner wall of the outer bottle, a rotating powder stirring mechanism being provided between the lower end of the inner bottle and a bottom of the outer bottle, the rotating powder stirring mechanism comprising a powder stirring mechanism and a rotating mechanism; an upper end of the powder stirring mechanism sealingly passing through the one-way air inlet valve and the piston and then being disposed in the inner bottle, a one-way valve being provided in the powder stirring mechanism; when the head cap is pressed, the one-way valve opening and gas in the airbag structure being delivered to the inner bottle through the one-way valve and sprayed out from the head cap together with dry powders; and a sealing mechanism which closes a powder outlet passage being provided between the head cap and the inner bottle.