US 11,919,034 B2
Intermittent coating device
Daisuke Tokieda, Kyoto (JP); Yuta Fukutomi, Osaka (JP); Naoyuki Koide, Hyogo (JP); and Yoshinori Sakai, Hyogo (JP)
Assigned to Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
Appl. No. 17/296,541
Filed by Panasonic Intellectual Property Management Co., Ltd., Osaka (JP)
PCT Filed Oct. 25, 2019, PCT No. PCT/JP2019/042042
§ 371(c)(1), (2) Date May 24, 2021,
PCT Pub. No. WO2020/129409, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 2018-236660 (JP), filed on Dec. 18, 2018.
Prior Publication US 2022/0023908 A1, Jan. 27, 2022
Int. Cl. B05C 5/02 (2006.01); B05C 11/10 (2006.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01)
CPC B05C 5/0225 (2013.01) [B05C 11/1026 (2013.01); H01M 4/0411 (2013.01); H01M 10/0525 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An intermittent coating device, comprising:
a die used to apply a coating material onto a material;
a first intermittent valve and a second intermittent valve capable of switching between a first state in which the coating material is supplied to the die and a second state in which supply of the coating material is stopped;
a first die supply pipe conduit that connects the first intermittent valve and the die;
a second die supply pipe conduit that connects the second intermittent valve and the die; and
a processor configured to control the first intermittent valve and the second intermittent valve, wherein
the first intermittent valve and the second intermittent valve have different timings of switching between the first state and the second state,
both the first intermittent valve and the second intermittent valve are connected to the die,
both the first die supply pipe conduit and the second die supply pipe conduit are connected to the die without being merged,
the die has a supply port, only one space part, and a discharge port,
the first die supply pipe conduit and the second die supply conduit are connected to the supply port,
the space part communicates with the supply port and the discharge port and has a volume greater than a volume of a flow passage from the supply port to the space part and a volume of a flow passage from the space part to the discharge port,
both the coating material fed from the first intermittent valve and the coating material fed from the second intermittent valve flow into the space part, and the space part temporarily stores the coating material to be fed from the supply port and then fed to the discharge port,
the discharge port discharges the coating material to the material,
when a predetermined period of time has elapsed after the first intermittent valve placed in the first state is switched to the second state, the processor is configured to switch the second intermittent valve placed in the second state to the first state,
when a predetermined period of time has elapsed after the second intermittent valve placed in the first state is switched to the second state, the processor is configured to switch the first intermittent valve placed in the second state to the first state, and
the processor is configured to:
switch one of the first intermittent valve and the second intermittent valve in the first state to apply the coating material on the material, wherein the coating material applied to the material forms a single-layer of the coating material, and
switch both the first intermittent valve and the second intermittent valve in the second state for the predetermined period of time not to apply the coating material on the material.