Reflective Markings

Inactive Publication Date: 2016-05-19
PATENT APPLIED TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a process for making a sign with a hard surface. The process involves mixing ground glass into the material that makes up the sign's base to increase its hardness. The sign can also have markings applied to it either while it is in use or during manufacture. The markings are protected from fading or wear by a coating which also makes the sign reflective. The coating can be made with a combination of glass and a reflective material, and it allows the underlying color of the markings to be visible through the coating.

Problems solved by technology

The shatter bars further reduce these particles and deflect them back towards the rotor so that the reduced particles encounter newly shattered material, causing further attrition.

Method used

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  • Reflective Markings
  • Reflective Markings
  • Reflective Markings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0059]Referring to the drawing, a rotary mill 1 comprises a housing 10, a material delivery system 12 and an exhaust fan 14. The housing 10 comprises a rotor 16, a primary reduction chamber 18, a secondary reduction chamber 20 and an outlet chamber 22, as shown in FIG. 1.

[0060]The primary reduction chamber 18 comprises an inlet opening 24, an intake guide surface 26 and a plurality of shatter bars 28. The inlet opening 24 provides access to the interior of the housing 10 for incoming material and for airflow generated by the exhaust fan 14. In this embodiment, the inlet opening 24 is positioned beneath the material delivery system 12. The intake guide surface 26 is arranged to direct material from the inlet opening 24 into the swept area of the rotor 16. The plurality of shatter bars 28 are arranged to further reduce particles deflected by the rotor 16 and direct these particles back toward the rotor 16 as described below.

[0061]The secondary reduction chamber 20 is connected to the ...

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Abstract

Reflective visible markings on a road or sign surface are formed by applying onto the surface a base material which is liquid in an initial state for application and sets or cures to form a solid layer after application where the base material contains a fine / medium filler material of glass ground from recycled materials in a rotary mill. Coarse material from the grinder is separated out and supplied as a separate material to be applied onto the surface of the layer of base material and fine ground glass. The base material can be colored to provide the color required and the base material transparent or both can be transparent and the color provided by the underlying layer.

Description

[0001]This application claims the benefit under 35 USC 119 (e) of Provisional Application 62 / 030136 filed Jul. 29, 2014 and of Provisional Application 62 / 037884 filed Aug. 15, 2014 the disclosures of which are hereby incorporated by reference.[0002]This invention relates to markings containing reflective glass which can be used on roadways or on signs such as road signs or commercial signs.BACKGROUND OF THE INVENTION[0003]Road surface markings are used on a road surface in order to convey official information. They can also be applied in other facilities used by vehicles to mark parking spaces or designate areas for other uses. Road surface markings are used on paved roadways to provide guidance and information to drivers and pedestrians.[0004]Paint can be used, sometimes with additives such as retro-reflective glass beads is generally used to mark travel lanes. It is also used to mark spaces in parking lots or special purpose spaces for disabled parking, loading zones, or time-rest...

Claims

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Application Information

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IPC IPC(8): E01F9/512B02C23/12B02C13/09B05D5/06C09D5/33
CPCE01F9/512B05D5/063B02C23/12B02C13/09C09D5/004B03B9/062C03B1/02C03C1/04C03C17/001E01F9/524C22C1/02B02C13/08B02C13/286B02C13/288B02C2013/28609Y02W30/52B02C13/28B02C13/2804Y02W30/60
InventorLANGTRY, DAVID
OwnerPATENT APPLIED TECH