Pneumatic actuator assemblies include a mounting base with a mounting base wall having a base surface portion a bearing support surface portion facing generally opposite the base surface portion. A flex member has a flex member wall that includes an engagement wall portion. The flex member is secured to the mounting base such that an actuator chamber is at least partially defined therebetween. A bearing element that has a bearing element surface is supported on the mounting base. The pneumatic actuator is displaceable between a first condition in which an exposed portion of the bearing element surface is spaced farther from the base surface portion than the engagement wall portion and a second condition in which the engagement wall portion is spaced a farther from the base surface portion than the exposed portion of the bearing element surface. Conveying systems and methods of assembly are also included.

Vulcanized inflatable product comprising an impervious shell which forms the wall of at least one inflatable chamber (1) and which is provided with a valve (2) for inflating and deflating the inflatable product, at least one spacing fabric (41) being arranged inside the inflatable chamber (1), said spacing fabric comprising a first fabric layer (44) and a second fabric layer (45) mutually tied up by means of interconnecting threads (46) for delimiting the maximum distance therebetween, the first fabric layer (44) of the spacing fabric being directly or indirectly secured to one of the inner walls of the outer shell (5) of the inflatable chamber by means of a vulcanized rubber mixture and the other fabric layer (45) of the spacing fabric being directly or indirectly secured to the opposite inner wall of the outer shell (5) of the inflatable chamber by means of a vulcanized rubber mixture.

Vulcanized inflatable product comprising an impervious shell which forms the wall of at least one inflatable chamber (1) and which is provided with a valve (2) for inflating and deflating the inflatable product, at least one spacing fabric (41) being arranged inside the inflatable chamber (1), said spacing fabric comprising a first fabric layer (44) and a second fabric layer (45) mutually tied up by means of interconnecting threads (46) for delimiting the maximum distance therebetween, the first fabric layer (44) of the spacing fabric being directly or indirectly secured to one of the inner walls of the outer shell (5) of the inflatable chamber by means of a vulcanized rubber mixture and the other fabric layer (45) of the spacing fabric being directly or indirectly secured to the opposite inner wall of the outer shell (5) of the inflatable chamber by means of a vulcanized rubber mixture.

The invention relates to a device for producing conical bellows (2) for air springs, having at least one clamping/spreading device (9), wherein two terminal positions, specifically an introduction position and a vulcanization position, are attainable by the clamping/spreading device (9), wherein the external diameter of the introduction position is smaller than the external diameter of the vulcanization position. The clamping/spreading device (9) has clamping segments (6) which in the introduction position are converged in such a manner that the external diameter of the clamping/spreading device (9) enables an air spring bellows preform (2) to be pulled over, and the clamping segments (6) in the vulcanization position are diverged in such a manner that the external diameter of the clamping/spreading device (9) is enlarged in such a manner that the air spring bellows preform (2) is capable of being pressed tightly against the corresponding external shape (5) from the inside, wherein open gaps (10) on account of the enlargement of the external diameter of the clamping/spreading device (9) remain between the clamping segments (6).

A pneumatic device for adjusting a contour of a seating face of a vehicle seat is disclosed. The pneumatic device includes a first foil; a second foil arranged on the first foil; a third foil arranged on the second foil; a first seam connecting the first foil, the second foil and the third foil to one another, wherein the first seam is configured to provide a first fluid chamber between the first foil and the second foil, a second fluid chamber between the second foil and the third foil, and wherein the first fluid chamber and/or the second fluid chamber are configured to adjust the contour of the seating face of the vehicle seat. The pneumatic device further includes a connection passage formed in the second foil and configured to fluidly connect the first fluid chamber with the second fluid chamber.

A pneumatic device for adjusting a contour of a seating face of a vehicle seat is disclosed. The pneumatic device includes a first foil; a second foil arranged on the first foil; a third foil arranged on the second foil; a first seam connecting the first foil, the second foil and the third foil to one another, wherein the first seam is configured to provide a first fluid chamber between the first foil and the second foil, a second fluid chamber between the second foil and the third foil, and wherein the first fluid chamber and/or the second fluid chamber are configured to adjust the contour of the seating face of the vehicle seat. The pneumatic device further includes a connection passage formed in the second foil and configured to fluidly connect the first fluid chamber with the second fluid chamber.

A method for forming a composite apex, the method comprising the steps of: forming a coextruded strip of a first compound and a second compound, wherein the second compound is a compound different than the first compound, wherein the apex is formed from winding the coextruded strip while varying the ratio of the first compound to the second compound.

A method for forming a composite apex, the method comprising the steps of: forming a coextruded strip of a first compound and a second compound, wherein the second compound is a compound different than the first compound, wherein the apex is formed from winding the coextruded strip while varying the ratio of the first compound to the second compound.

The disclosed technology includes an internal support structure for providing structural stability to an inflated air mattress. The internal support structure can include a loop of material and attachment strips to attach the loop to the top and bottom panels. The internal support structure can also include attachment strips to attach the ends of the loop of material together to complete the loop. The air mattress can include a plurality of internal support structures.

The invention relates to a non-crosslinked natural rubber latex composition for an inflatable stopper comprising a homogeneous mixture of: a) natural rubber latex; b) a surfactant; c) an amine based chemical antiozonant; d) possibly ammonia and preferably e) single or double wall electrically conductive nanotubes. The invention furthermore relates to an ozone resistant inflatable stopper comprising non-crosslinked natural rubber latex and fiber reinforcement, the rubber having an ozone resistance according to ISO 1431/1 at 50 pphm concentration ozone at 232 C., for the time frame of 48 hours, atmospheric humidity of 55% and strain static exposure of 20% and preferably a surface resistivity lower than 100 G according to DIN EN 60079-32-2 and DVGW G 5621-3 (VP) measured at 1000 V and a maximum relative humidity of 30%.