US 11,053,068 B1
Aerosol spray can
Han-Liang Chen, Taipei (TW)
Assigned to Motedo Co., Ltd., Taipei (TW)
Filed by MOTEDO CO., LTD., Taipei (TW)
Filed on Aug. 28, 2020, as Appl. No. 17/5,581.
Claims priority of application No. 109111066 (TW), filed on Mar. 31, 2020.
Int. Cl. B65D 83/32 (2006.01); B05B 11/00 (2006.01)
CPC B65D 83/32 (2013.01) [B05B 11/0008 (2013.01); B05B 11/0037 (2013.01); B05B 11/0089 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An aerosol spray can comprising:
a can body being hollow and having a mounting opening;
a valve assembly fixed to the mounting opening and sealing the mounting opening; the valve assembly having
a liquid product intake located in an inner space of the can body; and
a liquid product outlet located outside of the can body; the liquid product intake being selectively channel-linked with the liquid product outlet;
a dip-tube assembly connected to the valve assembly and having:
a tail end channel-linked with the liquid product intake of the valve assembly and extending toward a bottom of the can body; the tail end being adjacent to the bottom of the can body;
a flexible tube; two opposite ends of the flexible tube being a valve end and a weight end respectively;
the valve end channel-linked with the liquid product intake of the valve assembly;
the weight end extending toward the bottom of the can body; and
a weight piece mounted to the weight end of the flexible tube; the weight piece having
a weight ring; and
a buffer shell wrapped around the weight ring;
wherein when the can body is tilted, the tail end of the dip-tube assembly is driven by a weight of the weight piece and moved toward the ground;
a rigid tube sleeved around the flexible tube and having
a top end connected to the valve assembly;
a bottom end extending toward the bottom of the can body;
wherein
the weight end of the flexible tube protrudes from the bottom end of the rigid tube;
the flexible tube has an exposed section protruding from the bottom end of the rigid tube; the exposed section is located between the bottom end of the rigid tube and a top of the weight piece.