Abstract:
A central tubular defines a central flow passage and spray nozzles along an outer circumference of the central tubular. A first brush pig supports a first end of the central tubular. A second brush pig supports a second end of the tubular. An inflatable balloon is at the second end of the tubular. The inflatable balloon is encircled by the second brush pig. The inflatable balloon is configured to cause a first pressure drop across the balloon when in an inflated state and cause a second pressure drop, less than the first pressure drop, across the balloon when in a deflated state. A flow control system is at the first end of the tubular and is configured to regulate fluid exchange with the tubular and fluid exchange with the inflatable balloon.
Abstract:
A nozzle is configured to discharge a fluid containing a raw material of a catalytic layer to a substrate having first and second end faces and provided with holes each extending from the first end face to the second end face. The nozzle is provided with discharge ports each discharging the fluid toward the first end face of the substrate.
Abstract:
A method for creating a coating onto a conduit is provided. The method includes rotating the conduit while injecting a controlled amount of slurry onto the surface of an inner diameter of the conduit through a nozzle that is retracted from out of the conduit at a controlled speed. The method offers improved reproducibility and repeatability of coating properties in comparison to conventional coating methods.
Abstract:
A coating can be applied to an endolumenal wall of a medical device by positioning an optical fiber within the lumen, providing a photo-activated chemical to contact the endolumenal wall, supplying the optical fiber with radiation capable of activating the chemical within the lumen, and withdrawing the optical fiber from the lumen at a controlled rate while the radiation is being emitted from the optical fiber to activate the chemical in close proximity to the endolumenal wall.
Abstract:
A coating can be applied to an endolumenal wall of a medical device by positioning an optical fiber within the lumen, providing a photo-activated chemical to contact the endolumenal wall, supplying the optical fiber with radiation capable of activating the chemical within the lumen, and withdrawing the optical fiber from the lumen at a controlled rate while the radiation is being emitted from the optical fiber to activate the chemical in close proximity to the endolumenal wall.
Abstract:
A coating device for coating an interior surface of a continuous tube of material with a fluid. The coating device includes an extruder die for forming the continuous tube of material and a fluid delivery system. The fluid delivery system is positioned within the extruder die so as to introduce the fluid onto the interior surface of the continuous tube of material.
Abstract:
A coating can be applied to an endolumenal wall of a medical device by positioning an optical fiber within the lumen, providing a photo-activated chemical to contact the endolumenal wall, supplying the optical fiber with radiation capable of activating the chemical within the lumen, and withdrawing the optical fiber from the lumen at a controlled rate while the radiation is being emitted from the optical fiber to activate the chemical in close proximity to the endolumenal wall.
Abstract:
An apparatus is provided according to the present invention for applying a glue bead to a round and non-round container to seal a fitment therein. The container includes a side wall formed about a longitudinal axis and having a closed end and an open end. The apparatus includes a base for holding the container in a fitment applying position and a hot melt glue gun for applying a layer of glue about an interior perimeter of the container to form an adhesion region. The adhesion region extends about the interior of the side walls immediately adjacent the open end thereof. The glue gun is suspended from a rotary bearing assembly which drives the gun about a longitudinal axis of the container as glue is sprayed thereon. A drive pulley, connected to the gun, is remotely driven via a belt and shaft arrangement by an electric motor. The electric motor is controlled to vary the rotational velocity of the gun dependent upon its angular position relative to a starting point to adjust for changes in the radial distance between the gun and the container. The velocity is adjusted such that the spray gun rotates faster when directed towards a portion of the side wall which is close to the spray nozzle and slower when the nozzle is directed toward a portion of the side wall which is remotely located therefrom. By adjusting the rotational velocity of the glue gun, an even bead of glue is applied.
Abstract:
A method for injecting a chemical barrier into a surface aperture is provided. The method provides a vacuum to a work site to evacuate the air from the work site. Then, an injector head is located and retained at the work site. The injector head has a gasket that forms a seal around the work site. Pressurized fluid is conveyed to the work site through a first conduit in the injector head. Any unused fluid is conveyed away from the work site by a second conduit in the injector head.
Abstract:
Adhesive is applied in a ring-shaped pattern to a surface of a jacket to enable a closure to be secured to the jacket. The jacket is held stationary, and a nozzle of an adhesive applicator is rotated to apply the adhesive. The nozzle is adjustable transversely of its axis of rotation to vary the distance between the nozzle and the jacket.