	US 12,031,067 B2
	Method and apparatus for adhesive application to barrier sheet
Kevin Chou, Hickory, NC (US); Patrick Eaton, New Hartford, CT (US); Khaled El-Tahlawy, Hickory, NC (US); Peter Elafros, Hickory, NC (US); William R. Myer, Cherryville, NC (US); George Stamatoukos, Hickory, NC (US); and Ed Vargas, Hickory, NC (US)
Assigned to SHURTAPE TECHNOLOGIES, LLC, Hickory, NC (US)
Appl. No. 17/051,944
Filed by SHURTAPE TECHNOLOGIES, LLC, Hickory, NC (US)
PCT Filed Apr. 30, 2019, PCT No. PCT/US2019/029807 § 371(c)(1), (2) Date Oct. 30, 2020, PCT Pub. No. WO2019/213022, PCT Pub. Date Nov. 7, 2019.
Claims priority of provisional application 62/664,622, filed on Apr. 30, 2018.
Prior Publication US 2021/0130652 A1, May 6, 2021
Int. Cl. C09J 7/26 (2018.01); G01S 7/481 (2006.01); G01S 17/894 (2020.01); G06T 7/73 (2017.01); H04N 13/254 (2018.01); H04N 13/296 (2018.01)

CPC C09J 7/26 (2018.01) [G01S 7/481 (2013.01); G01S 17/894 (2020.01); G06T 7/73 (2017.01); H04N 13/254 (2018.05); H04N 13/296 (2018.05); C09J 2301/204 (2020.08); C09J 2301/302 (2020.08); C09J 2301/408 (2020.08); C09J 2301/416 (2020.08); C09J 2433/00 (2013.01); G06T 2207/10028 (2013.01); G06T 2207/30244 (2013.01)]

18 Claims

1. A process for applying an adhesive material onto a sheet substrate comprising the steps of: a) providing an adhesive material having viscosity of at least about 10,000 centipoise at 250° F. as measured by Brookfield Rheometer (RVDVII+) using Spindle #29 at 2 rpm; b) applying said adhesive to a multitude of cavities formed on a surface of a first tool with a coater unit having at least one adhesive material applicator in close proximity to the surface; and c) transferring the adhesive material at a thickness of at least 2 mil from the surface of the first tool to said substrate supported on a surface of a second tool and pressed against the surface of the first tool.