Specifically, the invention relates to retroreflective sheeting characterized by at least comprising a printed image -incorporated retroreflective sheeting and an optical element array sheet in which a large number of light-transmissive optical elements are regularly disposed at least at a fixed location, so that when the printed image is seen through the …
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To determine the deterioration characteristics of the retroreflective sheeting used for guide signs, this study examined 12-year (1998–2010) observation data on 230 guide signs located in a test square. On the basis of the data, the deterioration curves of sheeting materials were calculated and the mathematical deterioration model for ...
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US20180117863A1 US15/858,762 US201715858762A US2018117863A1 US 20180117863 A1 US20180117863 A1 US 20180117863A1 US 201715858762 A US201715858762 A US 201715858762A US 2018117863 A
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A retroreflective sheeting according to claim 7, ... The present invention relates to a retroreflective sheeting which is useful for use in signs (e.g. road signs and construction signs), number plates on vehicles such as automobiles and motor cycles, safety goods (e.g. safety cloth and survival equipment), sporting goods (e.g. snow pole ...
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Patent US20100103521A1 - RETROREFLECTIVE SHEETING (US 20100103521A1); Owner: 3M Innovative Properties Company; Filed: 10/22/2009; Published: 04/29/2010; Issued: ; Est. priority date: 10/22/2008; Status: Active Grant; Abstract: The present application relates generally to retroreflective sheeting and the tools and methods …
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A cube corner retroreflective sheeting construction comprising alternating zones of cube corner element arrays disposed at approximately ninety degrees orientations to provide exactly two principal plane of improved retroreflective performance in response to light incident on the sheeting at high entrance angles is disclosed. According to one …
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Two known types of retroreflective sheeting are cube corner sheeting and microsphere-based sheeting. Microsphere-based sheeting, sometimes referred to as "beaded" sheeting, employs a multitude of microspheres typically at least partially embedded in a binder layer and having associated specular or diffuse reflecting materials (e.g., pigment …
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Retroreflective sheeting having excellent weatherability under prolonged outdoor use, which comprises a support sheet in one side of which retroreflective glass beads are embedded as substantially a monolayer in such a manner that at least their non-reflective portions are exposed on said sheet; and a light-transmittable protective film provided on …
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This invention relates to a method for making retroreflective sheeting which is useful for road signs, number plates on vehicles such as automobiles, motorcycles, etc., construction signs and marking of sign boards and the like. BACKGROUND TECHNOLOGY. Retroreflective sheeting which retroreflexes light towards the light …
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The present disclosure generally relates to retroreflective sheeting including a topcoat and to methods of making such sheeting. In some embodiments, the retroreflective sheeting includes (1) a first major surface that is a structured surface having a structure imparted by a plurality of prismatic cube corner elements; (2) a second major surface opposite the first …
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Avery Dennison technology makes the invisible, visible at night. Retroreflective sheeting redirects light from an approaching vehicle's headlamps back to the source. Whether it's …
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Retroreflectivity measurements indicate how efficiently a retroreflector returns light in a particular direction. They do not measure brightness. Measurements are taken from a particular spot within the cone of …
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The invention relates to a method of making retroreflective sheeting and other articles prepared from casting a moldable synthetic resin onto a tool having a microstructured surface.
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The present application relates generally to the production method of the recursive reflecting material and recursive reflective article. Recursive reflecting article …
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Abstract. To determine the deterioration characteristics of the retroreflective sheeting used for guide signs, this study examined 12-year (1998–2010) …
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US10618234B2 US15/858,762 US201715858762A US10618234B2 US 10618234 B2 US10618234 B2 US 10618234B2 US 201715858762 A US201715858762 A US 201715858762A US 10618234 B2 US10618234 B2
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The invention further relates to retroreflective sheeting. Application ID: 2156/CHENP/2005: Invention Field: MECHANICAL ENGINEERING: Date of Application: : Publication Number: 29/2007: Inventors. Name Address Country Nationality; 3M INNOVATIVE PROPERTIES COMPANY ... Retroreflective sheeting is commonly …
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The disclosure further relates to retroreflective sheeting. The retroreflective sheeting is preferably prepared from a master mold manufactured with a technique that employs laminae. Accordingly, at least a portion and preferably substantially all the cube corner elements of the lamina(e) and retroreflective sheeting are full cubes that are not ...
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The sign face consists of film material, called sheeting, which is comprised of glass beads or microprisms to provide visibility at night. Highway signs, that are not illuminated by external lights, are visible at night because they have sheeting made of retroreflective material. Retro-reflection is a type of reflection that redirects incident ...
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The invention relates to a method of making retroreflective sheeting prepared from casting a moldable synthetic resin onto a tool (1200) having a cube corner microstructured surface. ... retroreflective sheeting articles making retroreflective making casting Prior …
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The present application relates generally to retroreflective sheeting and the tools and methods used to make retroreflective sheeting. Microreplication tools and sheeting include controlled surface structure or haze. The surface structure or haze can be introduced, for example, by chemical etching of the tool surface and/or electroplating.
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The Sheeting conforms to all current performance requirements of ASTM D4956 for Type I retroreflective sheeting. Refer to section 7 for information regarding imaging of Sheeting. Table 1. Product Codes by Color Color Product Code White 3430 Yellow 3431 Green 3437 Commercial Branding & Transportation Division 3M™ Engineer Grade Prismatic
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The present application relates to retroreflective sheeting that is capable of use in a license plate and that can be accurately read and/or detected by an ALPR system. The retroreflective sheeting is a prismatic retroreflective sheeting that provides reduced retroreflectivity of infra-red light. The retroreflective sheeting can also be a prismatic …
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We explain retroreflectivity, sign sheeting technologies, and how various factors impact visibility. Retroreflection occurs when a surface returns a large portion of directed light beam back to its source. …
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US9188715B2 US14/657,806 US201514657806A US9188715B2 US 9188715 B2 US9188715 B2 US 9188715B2 US 201514657806 A US201514657806 A US 201514657806A US 9188715 B2 US9188715 B2 US 9188
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1. Larger traffic signals than required to increase their target value and color contrast; 2. More signals per approach than required on facilities having three or more through lanes; …
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Retroreflective sheeting must also retain this property regardless of the direction of the light source as the approaching vehicles could be in a variety of approach paths. To check this former property in the lab, the coefficient of retroreflection is evaluated for light coming from different places, for instance at two entrance angles of -4 ...
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The present application relates generally to retroreflective sheeting and the tools and methods used to make retroreflective sheeting. Microreplication tools and sheeting include controlled surface structure or haze. The surface structure or haze can be introduced, for example, by chemical etching of the tool surface and/or electroplating.
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pattern. Retroreflective sheeting shall have a width of at least 50 mm (2 inches). (c) Locations for retroreflective sheeting (1) Sides Retroreflective sheeting shall be applied to each side of the trailer or semitrailer. Each strip of retroreflective sheeting shall be positioned as horizontally as practicable, beginning and
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retroreflective sheeting and related topics. The summaries address sheeting research in nine areas: basic retroreflectivity science; retroreflectivity materials, specifications, …
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Retroreflective Sheeting Changes Moving from Encapsulated Lens Sheeting to Prismatic Lens Sheeting for Permanent Signs, ... This look and the sign's design are often the most studied aspect of traffic signing as it relates to sign warning distances and the intended maneuvers conveyed by the sign design ⠀䌀䤀䔀 䌀㐀ⴀ㐀 㨀 ...
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US8371703B2 US12/604,260 US60426009A US8371703B2 US 8371703 B2 US8371703 B2 US 8371703B2 US 60426009 A US60426009 A US 60426009A US 8371703 B2 US8371703 B2 US 8371703B2 Authority
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The retroreflective sheeting or reflex reflectors on the upper rear area of the trailer must be white and conform to the requirements of FMVSS No. 108 (S5.7). Red retroreflective sheeting or reflex reflectors shall not be used along the sides of the trailer . unless it is used as part of a red and white pattern. Retroreflective sheeting shall ...
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US8783879B2 US13/125,610 US200913125610A US8783879B2 US 8783879 B2 US8783879 B2 US 8783879B2 US 200913125610 A US200913125610 A US 200913125610A US 8783879 B2 US8783879 B2 US 8783
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The present application generally relates to retroreflective articles and methods of making retroreflective articles. The retroreflective articles include a substantially amorphous polymeric layer between the body layer and the discrete truncated cube corner elements. The substantially amorphous polymeric layer absorbs, dissipates, …
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The present disclosure generally relates to retroreflective sheeting including a topcoat and to methods of making such sheeting. In some embodiments, the retroreflective sheeting includes (1) a first major surface that is a structured surface having a structure imparted by a plurality of prismatic cube corner elements; (2) a second major surface opposite the first …
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