Floor marking tape
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United States of America Patent
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-
May 15, 2012
Grant Date -
May 19, 2011
app pub date -
Nov 17, 2009
filing date -
Nov 17, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A floor marking tape has a total thickness of 5-7 mil (0.127-0.178 mm) and consists of:
- A. A top layer consisting of a translucent polyester backing film free of plasticizer and having (i) top and bottom facial surfaces, (ii) a thickness of 3-5 mil (0.076-0.127 mm), (iii) a Shore A Hardness of at least 90, and (iv) a modulus of elasticity of at least 200,000 psi;B. A middle layer consisting of a graphic image having top and bottom facial surfaces the top facial surface of which is in direct contact with the bottom facial surface of the polyester backing film; andC. A bottom layer consisting of a pressure sensitive adhesive (PSA) having top and bottom facial surfaces the top surface of which is in direct contact with at least one of the bottom facial surface of the backing film and graphic image, the PSA having a (i) thickness of 2-3 mil (0.051-0.076 mm), and (ii) shear resistance of at least 50 hours as measured by PSTC 7 with a one-half inch by one inch sample area.
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