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公开(公告)号：EP4331358A1
公开(公告)日：2024-03-06
申请号：EP23192342.6
申请日：2023-08-21
申请人： Anoxia B.V.
摘要： A method of killing a small animal, such as a rodent, wherein the method comprises the steps of:
trapping the animal in a housing of an animal trap;
detecting that the animal is trapped in the trap housing;
in reaction to detecting that the animal is trapped in the trap housing filling at least part of the trap housing with a gas for stunning and killing the animal inside the housing;
wherein the housing is at least partially filled with said gas by supplying a foam into the housing in which the gas is contained;
wherein the foam is generated by a foam generator comprising:
a housing having a circumferential side wall, a first end wall and a second end wall, wherein the second end wall is at least partially formed by a perforated plate comprising a multitude of through-holes;
a spray nozzle being directed towards the second end wall from the direction of the first end wall, and an inlet for an aqueous detergent solution which is connected to said spray nozzle;
a gas outlet for supplying said gas into the housing of the foam generator, and an inlet for said gas which is connected to said gas outlet;
wherein said foam is generated by spraying said aqueous detergent solution through said nozzle against said second end wall with said perforated plate while supplying said gas through said gas outlet,
thereby forming bubbles comprising said gas at the outside of said perforated plate.-
2.发明公开
公开(公告)号：EP3473104A1
公开(公告)日：2019-04-24
申请号：EP18201382.1
申请日：2018-10-19
申请人： Anoxia B.V.
摘要： A method of performing a procedure on an animal using a foam, said foam having a gas composition suitable for performing the procedure; wherein the procedure is performed using a confined space; and
wherein
- foam is introduced in a confined space, and
- the animal is covered with the foam.
is performed;
To produce foam which reduces the risk of asphyxiation, the foam generator (100) used for generating the foam comprises
- as the screen a bubble-forming plate (120) comprising a multitude of through-holes (121), and
- the outlet (141) for the aqueous detergent composition comprising a full cone (120) spray nozzle (130) for directly spraying the aqueous detergent composition against the perforated bubble-forming plate (120);
wherein the step of generating the foam comprises spraying the aqueous detergent composition with a pressure drop over the nozzle (130) of less than 2 Bar directly against the perforated bubble-forming plate (120) at a rate Rd between 0.0003 - 0.0006 m 3 per m 2 of surface area of the perforated bubble-forming plate (120) per second.
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