A pneumatic valve adaptor includes a fast-releasable gas source connector, which includes a top source piece and a rotatable joint, the and at least one valve coupler. The top source piece is connected to a top end of the rotatable joint for receiving and feeding gas supplied from a gas source into the rotatable joint. The rotatable joint has a lower edge in which at least one first engagement section is formed. The valve coupler is provided, at a lateral external surface and a lower end, with at least a second engagement section and a valve connection section. The second engagement section is engageable with or disengage able from the first engagement section through rotation of the rotatable joint. The valve connection section is connectable to a pneumatic valve of an inflatable object for supplying and feeding the gas from the gas source into the inflatable object for inflation.

A pneumatic tire having a tire cavity (28) defined by an inner liner (26), an air inlet housing (92) affixed to the inner liner (26) and a first sidewall (16) having an elongate sidewall air passageway (32) therein is disclosed. An elongate tubular inlet conduit (66) extends between the sidewall air passageway (32) and the inlet housing (92), the inlet conduit (66) having an internal air passageway (68) operative to route inlet air from within the inlet housing (92) to the sidewall air passageway (32). An air intake conduit (76) extends through the first sidewall (16) to the inner liner (26), the air intake conduit (76) being coupled to the air inlet housing (92) and operative to route air from outside the tire (12) through the first sidewall (16) and into the air inlet housing (92). In one option, the inlet conduit (66) and the air intake conduit (76) each engage into respective first and second elongate sockets formed by the inlet housing (92) whereby establishing respective air flow communication into the inlet housing (92), and the inlet conduit (66) and the intake conduit (76) and the first and second sockets, respectively, have mutually engaging latching detent means. In a second option, the inlet conduit (66) attaches to and detaches from the inlet housing (92) by close axial insertion into and axial withdrawal, respectively, from an elongate first socket formed by the inlet housing (92), and the air intake conduit (76) attaches and detaches to the inlet housing (92) by a close insertion into and an axial withdrawal from, respectively, an elongate second socket formed by the inlet housing (92). Also, a method of assembling an air maintenance inlet assembly into a tire (12) is disclosed. The tire (12) is preferably an air maintenance tire.

A pneumatic tire (1) comprising a tire cavity (11), sidewalls (7) extending from tire bead regions (9) to a tire tread region (5), an elongate annular air passageway (15) enclosed within a bending region of the tire (1) and extending substantially in a circumferential direction of the tire (1), and a valve assembly (17) in air flow communication with the tire cavity (11), the air passageway (15) and the exterior (19) of the tire (1) is disclosed. The valve assembly (17) comprises an air inlet (20) for allowing air to enter the valve assembly (17) from the exterior (19) of the tire (1), an air outlet (30) for allowing air to enter the tire cavity (11), a first valve (22) interposed in the air flow of the air passageway (15), the first valve (22) having a first position allowing air to enter the air passageway (15) through the air inlet (20) in a first flow direction and a second position allowing air to enter the air passageway (15) through the air inlet (20) in a second flow direction opposite to the first direction, and a second valve (32) interposed in the air flow of the air passageway (15) in parallel to the first valve (22). When the first valve (22) is in the first position, the second valve (32) is in a third position allowing air flowing through the air passageway (15) in the first flow direction to exit the air passageway (15) through the air outlet (30). When the first valve (22) is in the second position, the second valve (32) is in a fourth position allowing air flowing through the air passageway (15) in the second flow direction to exit the air passageway (15) through the air outlet (30).

A wheel rim device includes a rim (10) having a bridge (13) extending between two side walls (11), and a valve device (3) having a stem (30) engaged with the bridge (13) and having a seal (40) attached to the stem (30) for anchoring the stem (30) to the bridge (13) of the rim (10) and for making an air tight seal between the stem (30) and the rim (10), and the seal (40) includes a casing (41) engaged onto the stem (30) and engaged between the stem (30) and the bridge (13) for making an air tight seal between the stem (30) and the rim (10). The casing (41) is engaged onto a head (31) of the stem (30) for engaging with the bridge (13).

A tire comprising a tire carcass; an elongate integral air passageway contained within a flexible tire component, the air passageway extending between an air inlet and an air outlet cavity in the flexible tire component, the air passageway extending at least a partial circumferential path around the tire carcass; and a connector assembly residing within at least a first of the cavities is disclosed. The connector assembly (198) includes a hollow elbow body (200) having a central chamber, the elbow body having first and second housing segments intersecting at substantially a right angle and a protruding funnel housing portion extending from the first housing segment, and a through-channel (208) extending through the funnel housing portion to the central chamber, the through-channel (208) having a sectional profile accommodating receipt of a free end of the strip core therein.

Schlauchsystem, insbesondere für Fahrzeugreifen, mit einem zu einem Ring geformten Schlauch (12), wobei der Schlauch (12) Polyurethan enthält und entlang seiner Ausdehnung eine zumindest im Wesentlichen konstante Wandstärke aufweist, wobei der im Wesentlichen konstante Wert der Wandstärke im Bereich zwischen 0, 1 mm und 0,4 mm liegt, dadurch gekennzeichnet, dass der Schlauch (12) ein Loch (32) aufweist, in das ein Ventil (20) eingesetzt ist, welches einen im Inneren (24) des Schlauches (12) angeordneten Halteabschnitt (34), einen ausserhalb des Schlauches (12) angeordneten Funktionsabschnitt (36) und eine Presshülse (22) umfasst, wobei die Presshülse (22) eine innen liegende Anpressfläche (42) aufweist und der Halteabschnitt (34) eine mit der Anpressfläche (42) zusammenwirkende Gegenanpressfläche (44) aufweist, wobei zwischen der Anpressfläche (42) der Presshülse (22) und der Gegenanpressfläche (44) des Halteabschnitts (34) des Ventils (20) ein das Loch (32) des Schlauches (12) umschliessender Abschnitt der Schlauchwand (13) eingeklemmt ist, und wobei die Anpressfläche (42) der Presshülse (22) und die Gegenanpressfläche (44) des Halteabschnitts (34) konisch ausgebildet sind und die Presshülse (22) im Presssitz (45) an dem Ventil (20) befestigt ist.

An inner-tube assembly that includes an inner-tube (48) and a valve assembly (52). The valve assembly (52) is configured to facilitate the inflation of the inner-tube, and the valve assembly includes a valve core (68) and a valve housing (56). The valve housing (56) has a lower portion (58) coupled to the inner-tube and an opposite upper portion (60). At least part of an exterior surface of the lower portion (58) is threaded and at least part of an exterior surface of the upper portion (60) is unthreaded. In another aspect, the inner-tube assembly includes the inner-tube (48) and a valve assembly (52). An attachment member (74) couples the valve assembly to the inner-tube. The attachment member (74) has a length and a width defining an aspect ratio of width/length, and the aspect ratio is less than about 0.50.

A tire structure includes an outer tire (20) and an inner member (30) which is located inside of the outer tire. The outer tire has a lip portion (22) on two peripheral edges of the outer tire (20) so as to be engaged with a wheel rim (41). The inner member (30) has two peripheral edges which are adhered to an inside of the lip portion of the outer tire. A valve (40) is connected to the inner member and communicates with a space defined between the outer tire and the inner member (30) so that air pressure in the space between the outer tire (20) and the inner member will push the inner member toward the wheel rim and expand the outer tire.