The optical element is a long optical element obtained by detaching a long main body part connected to a runner part via a gate part including an optical part from the gate part and chipping the detached main body, the optical part including at least a first optical surface to allow light to pass there through or to reflect light. The first optical surface has a curved surface that is curved on the short direction at least at the longitudinal end, while the first edge of the first optical surface side on the end surface of gate part side in the main body part is curved according to the curved surface example of the first optical surface. The boundary surface between the main body part and the gate part is formed so as to be narrower than the end surface of the gate part side of the main body part. At least the distance between the site corresponding to the effective region on the first optical surface at the first edge and the site corresponding to the effective region on the first optical surface at the second edge of the first optical surface side on the boundary surface is uniformly formed.

A vent structure includes: a first housing component having an opening portion for ventilation; a gas-permeable membrane that is attached to the first housing component to close the opening portion; and a laser welding portion that joins the first housing component with the gas-permeable membrane. The gas-permeable membrane includes a main body including a fluororesin film and a porous resin sheet that is laid on the main body. The porous resin sheet is located on the surface side of the vent structure. Both of the main body and the outer peripheral portion of the porous resin sheet that projects outwardly from the main body are fixed to the first housing component by the laser welding portion.

In one example embodiment, a film includes a coextruded structure having both an extruded ribbed skin layer that includes a plurality of ribs, and a core layer. The ribs are spaced apart by a web that is integral with the ribs. The film also includes a voiding agent in the ribs of the skin layer.

A lighted dryer assembly for a vehicle wash system including a housing portion, having a head portion, a body portion, and an outlet portion. The head portion includes an air inlet portion for drawing air into the head portion and an outlet for passing the air to the body portion. The outlet portion has a plurality of exit nozzles that are configured to emit high velocity air therefrom for removing water from an exterior surface of a vehicle while disposed in a vehicle treatment area. The body portion includes an upper portion where air is received from the head portion and a lower portion disposed remote from the upper portion. A light source is disposed within the housing portion and configured to emit light that can be seen by a vehicle disposed in the vehicle treatment area.

A dryer unit for a vehicle wash system including an upper head portion with an air inlet. An impeller having a plurality of vanes rotatably disposed adjacent the air inlet. The impeller configured to rotate in a predetermined direction about an axis of rotation to draw air into the upper head portion through the air inlet. A flow channel formed in the upper head portion around a periphery of the impeller. A cut-off portion located adjacent a discharge area of the flow channel. A body portion disposed generally beneath the upper head portion with respect to a direction of fluid flow through the dryer unit. A plurality of outlet nozzle portions integrally formed with the body portion and in fluid communication with the air inlet. The plurality of nozzle portions configured to direct high velocity air flow toward a vehicle treatment area. At least one of the plurality of nozzles being located above the cut-off portion.

A lighted dryer assembly for a vehicle wash system including a housing portion, having a head portion, a body portion, and an outlet portion. The head portion includes an air inlet portion for drawing air into the head portion and an outlet for passing the air to the body portion. The outlet portion has a plurality of exit nozzles that are configured to emit high velocity air therefrom for removing water from an exterior surface of a vehicle while disposed in a vehicle treatment area. The body portion includes an upper portion where air is received from the head portion and a lower portion disposed remote from the upper portion. A light source is disposed within the housing portion and configured to emit light that can be seen by a vehicle disposed in the vehicle treatment area.

A dryer assembly for a vehicle wash system includes a plastic translucent housing having an exterior surface and a generally hollow interior. The housing includes an inlet opening with a motor unit in communication with the inlet opening for drawing air through the inlet opening into the hollow interior. The housing includes a plurality of nozzle portions in communication with the inlet opening and configured to emit high velocity air therefrom to remove water from an exterior surface of a vehicle while disposed in a vehicle treatment area. The housing includes a light source associated therewith for emitting light through the housing for viewing by the vehicle disposed in the vehicle treatment area. The housing includes lettering formed on the exterior surface of the housing with the lettering configured such that light emitted from the light source will not pass therethrough.

A vaporizer cartridge is described that is configured for coupling to a vaporizer device body and containing a vaporizable material. Various embodiments of the vaporizer cartridge are described that include one or more features for maximizing a reservoir volume within the vaporizer cartridge for the containing of vaporizable material thereby increasing the output of vaporized vaporizable material from a compact cartridge configuration. Additionally, associated methods of manufacturing are described.

The invention provides a method comprising a method for producing a 3D item by means of fused deposition modelling, the method comprising a 3D printing stage comprising layer-wise depositing an extrudate comprising 3D printable material, to provide the 3D item comprising 3D printed material, wherein the 3D item comprises a plurality of layers of 3D printed material, wherein the 3D printing stage comprises: a vertical support providing stage comprising providing a first layer (1100) of 3D printed material, wherein the first layer has a first layer top part with a first layer top height relative to the substrate and a first layer bottom part with a first layer bottom height relative to the substrate, wherein the first layer has a first layer height defined by the difference between the first layer top height and the first layer bottom height, wherein the value of the first layer bottom height is at least equal to the value of the first layer height, and an in-air printing stage comprising supportless depositing a second layer of 3D printed material adjacent to and in contact with the first layer, wherein the second layer has a second layer top part, wherein at least part of the second layer top part extends over at least part of the first layer top part and is conformal therewith.

A method of producing a plastic member of a hair ornament comprises providing first and second plastic materials which are different in material and color. The first plastic material is transparent or translucent. The second plastic material is in the form of a plurality of particles. The first plastic material, the second plastic material, and a bridging agent are mixed and filled into an injection molding machine. The first plastic material melts and envelops the particle-shaped second plastic material. The enveloped particle-shaped second plastic material is outputted to a mold for forming the plastic member of the hair ornament. A hardened product of the plastic member is removed from the mold. The first plastic material forms an outer surface layer of the plastic member. The shape and the color of the second plastic material are directly viewable from an outer side of the product of the plastic member.