Container for sealing liquid for repairing inflatable articles, in particular tyres, and repair kit featuring such a container
View Patent ↗A container for sealing liquid for repairing inflatable articles, in particular, tyres, has a vessel having an opening; and a valve device fitted to the opening and having an inlet connectable to a compressed-air feed line, and an outlet for dispensing the sealing liquid; the valve device has a slide movable, in response to pressurization of the feed line, from a closed position closing the valve device and wherein the inlet and outlet are isolated from the inside of the container, to an open position wherein the inlet and outlet communicate with the inside of the container.
1. A container ( 3 ) for sealing liquid for repairing inflatable articles comprising a vessel ( 15 ) having an opening ( 17 ) and closing means ( 18 ) to close said opening ( 17 ), characterized in that said closing means ( 18 ) comprise a valve device integrated inside said container ( 3 ) and housed into said opening ( 17 ), said valve device ( 18 ) having an inlet ( 27 c ) connectable to a compressed-air feed line ( 4 ), and an outlet ( 29 a ) for dispensing the sealing liquid; said valve device ( 18 ) comprising at least one control member ( 30 ) movable, in response to pressurization of said feed line ( 4 ), from a closed position closing said valve device ( 18 ) and wherein said inlet ( 27 c ) and said outlet ( 29 a ) are closed from the inside of said container ( 3 ) by said control member ( 30 ), to an open position wherein said inlet ( 27 c ) and said outlet ( 29 a ) communicate with the inside of said container ( 3 ).
2. A container as claimed in claim 1 , characterized in that said valve device ( 18 ) comprises elastic means ( 31 ) for keeping said control member ( 30 ) stably in said closed position in the absence of pressure to said inlet ( 27 c ).
3. A kit ( 1 ) for repairing and inflating inflatable articles characterized by comprising a container ( 3 ) as claimed in claim 1 ; and a dispenser unit ( 40 ) connectable detachably to said container ( 3 ) and having an inlet fitting ( 53 ) connected in fluid-tight manner to said inlet ( 27 c ) of said valve device ( 18 ), and an outlet fitting ( 50 ) connected in fluid-tight manner to said outlet ( 29 a ) of said valve device ( 18 ).
4. A kit as claimed in claim 3 , characterized in that said dispenser unit ( 40 ) screws onto a threaded neck ( 16 ) of said container ( 3 ) housing said valve device ( 18 ).
5. A kit as claimed in claim 4 , characterized in that said dispenser unit ( 40 ) comprises a cavity ( 48 ) housing said neck ( 16 ) of said container ( 3 ); and said inlet ( 53 ) and outlet ( 50 ) fittings communicating with a bottom portion ( 52 ) of said cavity ( 48 ) via an axial conduit ( 54 ) and a transverse conduit ( 51 ).
6. A kit as claimed claim 3 , characterized by comprising a casing ( 6 ) housing a compressor assembly ( 2 ) and having a seat ( 7 ) for housing said container ( 3 ) and said dispenser unit ( 40 ).
7. A kit as claimed in claim 6 , characterized in that said seat ( 7 ) comprises a base portion ( 14 ) having fastening means ( 49 ) for securing said dispenser unit ( 40 ) stably but detachably.
8. A kit as claimed in claim 7 , characterized in that said fastening means ( 49 ) comprise a bayonet connection.
9. A container ( 3 ) for sealing liquid for repairing inflatable articles comprising a vessel ( 15 ) having an opening ( 17 ) and closing means ( 18 ) to close said opening ( 17 ), characterized in that said closing means ( 18 ) comprise a valve device integrated in said container ( 3 ) and housed into said opening ( 17 ), said valve device ( 18 ) having an inlet ( 27 c ) connectable to a compressed air feed line ( 4 ), and an outlet ( 29 a ) for dispensing the sealing liquid;
said valve device ( 18 ) comprising at least one control member ( 30 ) movable, in response to pressurization of said feed line ( 4 ), from a closed position closing said valve device ( 18 ) and wherein said inlet ( 27 c ) and said outlet ( 29 a ) are closed from the inside of said container ( 3 ) by said control member ( 30 ), to an open position wherein said inlet ( 27 c ) and said outlet ( 29 a ) communicate with the inside of said container ( 3 );
said valve device ( 18 ) further including elastic means ( 31 ) for keeping said control member ( 30 ) stably in said closed position in the absence of pressure to said inlet ( 27 c ) and including a body ( 19 ) housed in fluid-tight manner in said opening ( 17 ) of said vessel ( 15 ) and having at least one first hole ( 24 ) and at least one second hole ( 25 ) axially spaced apart and communicating with the inside of said container ( 3 ); said inlet ( 27 c ) and said outlet ( 29 a ) being defined by respective axial passages ( 27 c , 29 a ) of said body ( 19 ) which are open outwards of said container ( 3 ); said control member being defined by a slide ( 30 ) which slides axially in said body ( 19 ) and has sealing means ( 34 a , 34 b , 35 a , 35 b ) for isolating said first hole ( 24 ) and said second hole ( 25 ) from said inlet ( 27 c ) and from said outlet ( 29 a ) in said closed position, and for isolating said first hole ( 24 ) from said outlet ( 29 a ) and said second hole ( 25 ) from said inlet ( 27 c ) in said open position.
10. A container as claimed in claim 9 , characterized in that said body ( 19 ) comprises a lateral wall ( 20 ) having said holes ( 24 , 25 ); and an axial tubular rod ( 27 ) defining with the lateral wall an annular chamber ( 36 ) along which said slide ( 30 ) slides; said axial passages ( 27 a , 29 a ) defining said inlet ( 27 c ) and said outlet ( 29 a ) being defined by an axial cavity ( 27 c ) of said rod ( 27 ) and by at least one axial passage ( 29 a ) formed between said rod ( 27 ) and said lateral wall ( 20 ) of said body ( 19 ).