Method of masking and a hot melt adhesive for use therewith
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United States of America Patent
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May 6, 2008
Grant Date -
Nov 8, 2007
app pub date -
May 2, 2006
filing date -
May 2, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of masking includes adhering a removable pressure sensitive adhesive to a masking surface to cover the masking surface and blasting the adhesive and an adjacent target surface with abrasive blast media to remove material forming the target surface wherein the adhesive protects against removal of material forming the masking surface. The blasting media does not abrade the adhesive. The adhesive may be applied in molten form or at room temperature by separating the adhesive from a flexible release liner. The adhesive may be removed by simply peeling the adhesive from the masking surface, leaving the masking surface essentially free of residue. Due to the adhesive characteristics throughout the adhesive, some blast media adheres to the adhesive and forms a barrier layer which repels additional blast media. The adhesive may also be used to adhere a masking device over the masking surface to cover large areas easily.
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