Portable fire extinguisher, has tamper resistance flange disposed around lower part of extinguisher head between plate and upper wall of reservoir to indicate whether head has been subjected to unscrewing operation

摘要

The extinguisher has a reservoir (2) containing fluid material, and a fire extinguisher head (4) including a cylindrical lower part and a circular plate (25) situated outside the reservoir. A tamper resistance flange (38) is disposed around the lower part between the plate and a top wall (2a) of the reservoir in order to indicate whether the head has been subjected to unscrewing operation.