Abstract: A safety lock for a door of a household appliance, preferably of a washing machine, includes a housing on one end of which there is a mechanical assembly of the door lock, on the other end there is an assembly of the electric switch used to reach closed or interrupted electric circuit, into which also a part of a programme selection switch is included, whereby the assembly of the door lock and the assembly of the electric switch are mutually linked by a slider, which is designed in a way that its lug engages with the hook of the appliance door, when the hook is in the guide, so that upon manual closing of the appliance door the hook pushes the slider towards the assembly when entering the guide.

Abstract: A safety lock for a door of a household appliance, preferably of a washing machine, includes a housing on one end of which there is a mechanical assembly of the door lock, on the other end there is an assembly of the electric switch used to reach closed or interrupted electric circuit, into which also a part of a programme selection switch is included, whereby the assembly of the door lock and the assembly of the electric switch are mutually linked by a slider, which is designed in a way that its lug engages with the hook of the appliance door, when the hook is in the guide, so that upon manual closing of the appliance door the hook pushes the slider towards the assembly when entering the guide.

Abstract: Attachment piece for controlled and directed emptying of a spray can containing a liquid or gaseous substance, preferably an expandable insulating seal substance, consists of a housing (1) with a rest (2) in the form of an inner ring that snap fits the external circumference of a plug (3) with a valve (4) of a can (5). The internal surface of said housing (1) comprises a thread (7), on which a nozzle (8) is arranged. Said nozzle (8) is designed in a way to co-operate with said thread (7) with its thread section (9) of its cylindrical part (10). Said cylindrical part (10) continues on one side by a concentrically arranged tubular part (11) with said rest (12) tightly fitting the free end of said valve (4) of said can (5), wherein on the external end said nozzle (8) is optionally shaped, preferably in the sense of an outflow section (13) oriented perpendicularly to the axis of said can (5).