Abstract: A housing device for hoses of fire extinguishers and/or hydrants, wherein the fire extinguisher and/or hydrant comprises a portion (10) including a valve group (11) connected to a tank containing powder and/or liquid to be dispensed, a hose (16) provided with a nozzle (17) for dispensing the powder and/or the liquid contained within the tank, a handle (12) and a control lever (13) whereby a hole or opening (14) is provided for housing the nozzle (17); in particular, a cover element (15) having a seat where the dispensing nozzle (17) is housed is placed inside the hole or opening (14).

Abstract: A housing device for hoses of fire extinguishers and/or hydrants, wherein the fire extinguisher and/or hydrant comprises a portion (10) including a valve group (11) connected to a tank containing powder and/or liquid to be dispensed, a hose (16) provided with a nozzle (17) for dispensing the powder and/or the liquid contained within the tank, a handle (12) and a control lever (13) whereby a hole or opening (14) is provided for housing the nozzle (17); in particular, a cover element (15) having a seat where the dispensing nozzle (17) is housed is placed inside the hole or opening (14).

Abstract: An equipment for a remote control of fire extinguishers (10) and/or hydrants, comprising a valve group (16), equipped with a manometer and a pressure switch, which is able to control the operating pressure of the known fire extinguishers (10) and/or hydrants, wherein a plurality of micro-switches (18, 19, 20), connected with a wireless transmitter (21), send the received signals to a remote central control unit (22), that is fully programmable locally or remotely and able to send alarms and/or warnings, depending on the programming carried out, to operators, persons in charge and/or maintainers of fire extinguishers (10) and/or hydrants.

Abstract: An equipment for a remote control of fire extinguishers (10) and/or hydrants, comprising a valve group (16), equipped with a manometer and a pressure switch, which is able to control the operating pressure of the known fire extinguishers (10) and/or hydrants, wherein a plurality of micro-switches (18, 19, 20), connected with a wireless transmitter (21), send the received signals to a remote central control unit (22), that is fully programmable locally or remotely and able to send alarms and/or warnings, depending on the programming carried out, to operators, persons in charge and/or maintainers of fire extinguishers (10) and/or hydrants.

Abstract: A copolymer of ethylene and vinyl alcohol which contains ketoether groups and is photodegradable under the direct action of sunlight is prepared by reacting an ethylene-vinyl alcohol copolymer with alpha-diazoacetophenone in the presence of an organic solvent and a catalyst consisting of a Lewis acid.