encapsulated lens retroreflective

US 7303292 B2 - Hue Variable Retroreflective Sheet - The Lens

Next, as shown in FIGS. 9 to 10, the encapsulated lens type retroreflective sheet, in which the surface of the resin support sheet 14 is covered with a surface layer film 1 that has been manufactured separately, heat press forming is performed by using a patterned embossing roll 19, the resin support sheet 14 and the surface layer film 1 are ...

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Proposed Specification Changes for Retroreflective ...

Retroreflective Sheeting Changes Moving from Encapsulated Lens Sheeting to Prismatic Lens Sheeting for Permanent Signs, what are the reasons, and is now the time? As Observed from an SUV, 100 Ft. away and looking straight towards the signs: On the top – Encapsulated Lens. On the bottom – Prismatic Lens

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Retroreflective sheeting - Wikipedia

They are also used as a material to increase the scanning range of barcodes in factory settings. The sheeting consists of retroreflective glass beads, microprisms, or encapsulated lenses sealed onto a fabric or plastic substrate. Many different colors and degrees of reflection intensity are provided by numerous manufacturers for various ...

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EUROPEAN PATENT SPECIFICATION - Article One Partners

reflective sheeting, retroreflective sheetings include those using micro glass beads, such as encapsulated retroreflective sheeting and encapsulated lens retroreflective sheeting. [0009] The encapsulated retroreflective sheeting comprises a light-transmitting support layer, …

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High Intensity | Reflective Tape - reflectivelyyours.com

Encapsulated lens retroreflective sheeting was developed to provide greater reflectivity and durability when used for traffic signs and other types of traffic control and safety devices. ELR is made with high refractive index beads that are uniform in size and a high percentage of perfect roundness.

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US6586067B2 - Encapsulated lens retroreflective sheeting ...

Encapsulated-lens retroreflective sheeting is described which contains an improved binder layer. The binder layer is obtained from a film-forming mixture which comprises: (A) a vinyl chloride copolymer, (B) a thermoplastic polyurethane, and (C) an aminoplast resin. Such binder layer exhibits improved adhesion to metallized beads and to a variety of cover films such as acrylic films.

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EP1383641A1 - Encapsulated lens retroreflective sheeting ...

Encapsulated-lens retroreflective sheeting (10) is described which contains an improved binder layer (11). The binder layer (11) is obtained form a film-forming mixture which comprises: (A) a vinyl chloride copolymer, (B) a thermoplastic polyurethane, and (C) an aminoplast resin. Such binder layer (11) exhibits improved adhesion to metallized beads (14) and to a variety of cover films (15 ...

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Enclosed Lens versus Encapsulated Lens Reflective Tape ...

Jan 08, 2016· Encapsulated Lens Retro Reflective Sheeting. Encapsulated lens reflective sheeting also refers to glass bead type films. Specifically a type 3 high intensity film. In this type of construction the glass beads are encapsulated in cells. As long as the cell …

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's United States Eighth Circuit ... - Caselaw

Count II alleges that NCI has continued to make, use, or sell ULS, an encapsulated-lens retroreflective sheeting, in France, Germany, and Japan, where 3M has unexpired McGrath Patents. ULS, 3M alleges, is Covered Retroreflective Sheeting within the meaning of the agreement, so that by selling ULS, NCI has again violated the agreement.

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The Difference Between Engineer Grade, High Intensity ...

All of our street signs come in one of three varieties: Engineer grade, Hi-Intensity prismatic grade, or Diamond grade reflective sheeting. But what exactly are the differences between these? Engineer Grade Reflective Sheeting typically meets ASTM D4956 Type 1 standards and is an enclosed film or lens …

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LED HEADLAMPS: GLARE AND COLOR RENDERING

materials are summarized in Table 2. Sample reflectance data (for one of the two red encapsulated-lens materials) are shown in Figure 2. Table 2 Analyzed retroreflective materials by color and type. Material type Color Enclosed lens Encapsulated lens Prismatic Red 2 2 3 Blue 2 2 3 Brown 2 2 1 Green 2 2 3 Orange 2 2 2 White 2 2 3 Yellow 2 2 3

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Luminance Measurements of Retroreflective Warning …

Three different types of yellow sheeting materials (enclosed lens, encapsulated lens, and prismatic sheeting) with different reflec­ tance values were used. The results of this study confirmed that the luminance of a reflective traffic sign observed by a driver at night illuminated by the beams of the car is not a constant but

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SM512 Series Retroreflective Mode Sensors - Banner …

SM512 Series Retroreflective Mode Sensors Banner SM512 Series dc retroreflective mode sensors are designed for reliable performance in hostile industrial environ-ments. These sensors have totally-encapsulated circuitry within die-cast metal housings for superior resistance to moisture and physical abuse. Models include: SM502, SM512LB.

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Reflective Sheeting - Plasticade® - Increase Your Visibility

Encapsulated lens (glass bead) reflective sheeting Exceeds the reflectivity values of ASTM Type III . Engineer Grade Sheeting Barricade Sheeting, Series CW44/CW46 Channelizer Sheeting, Series CW80/CW84. Enclosed lens (glass bead) reflective sheeting Exceeds the …

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Hue Variable Retroreflective Sheet - The Lens

Next, as shown in FIGS. 9 to 10, the encapsulated lens type retroreflective sheet, in which the surface of the resin support sheet 14 is covered with a surface layer film 1 that has been manufactured separately, heat press forming is performed by using a patterned embossing roll 19, the resin support sheet 14 and the surface layer film 1 are ...

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National Calibration Facility for Retroreflective Traffic ...

Figure 41 â Shown is the change in RL dependent on the rotation angle for a white encapsulated lens signage material. Figure 42 â Shown is the set of retroreflective samples used in the MAP service originally. Figure 43 â Shown is the filter set used in the original MAP service.

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Hue Variable Retroreflective Sheet - lens.org

The hue variable retroreflective sheet according to claim 1, wherein at least one color of the hues that can be observed visually in the diffused light is substantially opposite hue to the hue of the retroreflected light. The hue variable retroreflective sheet according to claim 1 that is an enclosed lens type retroreflective sheet, wherein

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Retroreflective sheeting - Wikipedia

Retroreflective sheeting is flexible retroreflective material primarily used to increase the nighttime conspicuity of traffic signs, high-visibility clothing, and other items so they are safely and effectively visible in the light of an approaching driver's headlamps.They are also used as a material to increase the scanning range of barcodes in factory settings.

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Minnesota Mining and Manufacturing Company, a ...

Count II alleges that NCI has continued to make, use, or sell ULS, an encapsulated-lens retroreflective sheeting, in France, Germany, and Japan, where 3M has unexpired McGrath Patents. ULS, 3M alleges, is Covered Retroreflective Sheeting within the meaning of the agreement, so that by selling ULS, NCI has again violated the agreement.

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Minnesota Mining and Manufacturing Company, a Delaware ...

Minnesota Mining & Manufacturing Co., through the work of one of its employees, Dr. Joseph McGrath, invented cellular retroreflective sheeting. This sheeting is made up of cellular or encapsulated lenses which retroreflect light and illuminate signs without temporarily distracting a driver's sight.

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Design and Use Policy for Clearview Alphabet - FHWA MUTCD

A: The use of Standard Alphabet Series E-modified with Microprismatic retroreflective sheeting also produced an improvement in legibility over use of the same with Encapsulated Lens sheeting. A 6.3-percent increase in legibility can be achieved simply by changing from encapsulated lens sheeting to microprismatic retroreflective sheeting. Return ...

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Seth Levenstein Inventions, Patents and Patent ...

Abstract: Encapsulated-lens retroreflective sheeting is described which contains an improved binder layer. The binder layer is obtained from a film-forming mixture which comprises: (A) a vinyl chloride copolymer, (B) a thermoplastic polyurethane, and (C) an aminoplast resin.

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High Intensity | Reflective Tape

Encapsulated lens retroreflective sheeting was developed to provide greater reflectivity and durability when used for traffic signs and other types of traffic control and safety devices. ELR is made with high refractive index beads that are uniform in size and a high percentage of perfect roundness.

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STATE OF NEW HAMPSHIRE

state of new hampshire . div of plant & property management . bureau of purchase & property . state house annex ... d4956- type iii –high intensity grade –encapsulated lens reflect ive sheeting ... wide angle prismatic retroreflective sheeting for traffic control signs - standard mfg colors . …

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Influence truck driver eye position retroreflective signs

Influence of truck driver eye position on effectiveness of retroreflective traffic signs M Sivak PhD, M Flannagan PhD and A W Gellatly The University of Michigan Transportation Research Institute, 2901 Baxter Road, ... The information in Table 2 is encapsulated lens material.

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Report on Highway Guide Sign Fonts Prepared by: U.S ...

A: The use of Standard Alphabet Series E-modified with Microprismatic retroreflective sheeting also produced an improvement in legibility over use of the same with Encapsulated Lens sheeting. A 6.3-percent increase in legibility can be achieved simply by changing from encapsulated lens sheeting to microprismatic retroreflective sheeting.

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Retroreflective Sign Sheetings - Manual of Traffic Signs

This is an "encapsulated lens" sheeting, made of 2 layers - an outer translucent colored or clear layer, and an inner reflective layer faced with glass beads. The two layers are connected by a lattice, hence its distinctive 'honeycomb' appearance, where the lattice pattern …

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AN EVALUATION OF RETROREFLECTIVE SIGNING …

AN EVALUATION OF RETROREFLECTIVE SIGNING MATERIALS UNDER THE 3-BEAM HEAD-LAMP SYSTEM H. L. Woltman and W. P. Youngblood, 3M Company The purpose of the study described in this paper is to measure the com­ ... A Encapsulated-lens reflective sheeting B Encapsulated-lens reflective sheeting C Encapsulated-lens reflective sheeting

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Encapsulated-lens retroreflective sheeting and method of ...

Nov 12, 1991· The following tests may be used to evaluate encapsulated-lens retroreflective sheeting. Seal Strength. A 2.54-cm strip of encapsulated-lens sheeting is adhered by its adhesive layer to a rigid aluminum panel. A 2.54-cm tape is adhered to the transparent cover film.

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Traffic Products - reflective sheeting, NCI (USA) Home

Nikkalite ™ Brand Ultralite Grade (ULG) encapsulated lens retroreflective sheeting was developed to provide greater reflectivity and durability when used for traffic signs and …

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