The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate. The method includes the step of disposing the optical layered body such that the slow axis showing a greater refractive index of the light-transmitting substrate is in parallel with the vertical direction of a display screen of the image display device.

An apparatus for non-contact monitoring of travelling objects being produced in an unguided linear process comprising: a toroidal structure with an open aperture defining a measuring zone, a source of radiation configured by a plurality of radiation devices circumferentially disposed within the measuring zone whereby the radiation source emits rays that generate a planar screen of radiation across the object circumferentially to envelop the object, a plurality of circumferentially disposed recording devices for receiving radiation from the radiation devices following interception of the rays by the objects, and analysis means for analyzing imaging information of the emitted radiation recorded by the recording devices thereby to provide a measure of the physical characteristics of the object.

The present invention may manufacture a composite pipe by forming an adhesive layer and a resin layer on an outer surface of a metal pipe, and although the composite pipe is wound in a ring shape after the composite pipe is manufactured, a circular cross sectional shape may be maintained without deformation, and after the composite pipe is straightened for the purpose of construction, separation or buckling may be prevented, resulting in excellent transportability and constructability of a product.

A rubber sheet monitoring apparatus (1) comprises a first imaging unit (11), a second imaging unit (2), a first generation unit (142) and a second calculation unit (146). The first imaging unit successively acquires images of a first optical cutting edge (CL1) formed on a front surface of a rubber sheet (6). The second imaging unit successively acquires images of a second optical cutting edge (CL2) formed on a back surface of the rubber sheet. The first generation unit performs, for each of the successively acquired images of the first optical cutting edge, generation of first data (D1) representing height variation of a widthwise cross-sectional edge of the rubber sheet using the image of the first optical cutting edge, and performs, for each of the successively obtained images of the second optical cutting edge, generation of second data (D2) representing height variation of a widthwise cross-sectional edge of the rubber sheet using the image of the second optical cutting edge. The second calculation unit calculates, using first data and second data for a same cross-section, the thickness of the rubber sheet at the cross-section.

The invention relates to a hose extrusion head for producing a hose (50), said head comprising a head housing, a duct (14) formed in the head housing (12) for supplying a hose material (22), a pin (16) which is arranged in the duct (14), a die (18) and at least one securing element (20). According to the invention, the securing element (20) is attached by one end (39) to the die (18) such that said end (39) follows the movement of the die (18).

A coextrusion apparatus, a single-layer extrusion apparatus, a retrofit kit, as well as to a method for measuring a layer thickness, for producing a plastic film, and for retrofitting an extrusion apparatus. From the state of the art, it is known to add a detection agent in the form of a fluorescent granulate into the starting material at the extruder, in order to be able to measure the layer thickness of the layer in the film composite produced from this starting material. However, it is proposed to feed in a detection agent only beyond the extruder. This leads to a clearly shorter running time of the detection agent through the system and thereby to clearly faster measurability of changes in the production parameters.

The invention relates to a changing device (10) for a changing of a flat film machine (100) from a feed product (EP) to a follow-on product (FP), comprising a sensor module (20) for acquiring at least one production parameter (PP) of the flat film machine (100) and an adjusting module (30) for a controlled change of this acquired at least one production parameter (PP), further comprising a controlling module (40) for controlling the adjusting module (30) for an optimized changing time (TU) for the acquired at least one production parameter (PP) from the feed product (EP) to the follow-on product (FP).

A method is disclosed for determining at least one geometric parameter of an object comprising a molten component. The method includes determining a relationship between a refractive index of the object and a shrinkage occurring during a solidification of the object. The refractive index and at least one geometric parameter of the object comprising the molten component is determined using a measuring apparatus. At least one geometric parameter of the solidified object from the refractive index and the at least one geometric parameter of the object comprising the molten component is determined using the measuring apparatus and taking into account the determined relationship between the refractive index of the object and the shrinkage occurring during the solidification of the object.

A laminate (110) of polypropylene films (100), a luggage shell (120) constructed of the laminate (110), a method (200) of making the laminate (110), and a method (280) of making the luggage shell (120) are provided. The films (100) include a core (102) and at least one outer layer (104). The laminate (110) includes a plurality of films (100). The laminate (110) may be formed by laminating a plurality of films 100 under predetermined pressure, temperature, and time conditions. The shell (120) may be formed by deep drawing a sheet of laminate (110) while applying heat and tension to the laminate (110).

Aspects of the present invention relate to methods for characterizing a multi-layered tire tread. In one example, a method comprises providing a first rubber composition having a first refractive index and providing a second rubber composition having a second refractive index. The method further comprises determining a difference between the first refractive index and the second refractive index and comparing the difference to a threshold refractive index. In addition, the method comprises adding a refractive index modifier to the first rubber composition and/or second rubber composition in case the comparison provides that the difference is lower than the threshold refractive index, so that the difference is greater than, or equal to, the threshold refractive index.