SYSTEMS AND METHODS FOR APPLYING DOTS OF DIFFERENT ADHESIVES TO MOVING ROOFING SHINGLE STOCK
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Nov 29, 2023
filing date -
Mar 5, 2020
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Abstract
Systems and methods of applying self-seal strips of multiple different adhesives are disclosed. In one embodiment, two spaced apart spoked applicator wheel assemblies are positioned beneath a web of moving shingle stock such that each of the applicator wheels applies dots of different adhesives in an alternating pattern. In other embodiments, a layer of a second adhesive is deposited onto previously applied dots of a first adhesive to form layered adhesive dots with dual properties of both adhesives.
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