US 11,717,847 B2
Shear stable lamination adhesive with spray applied activator
Steven E. Adams, Richmond, VA (US); Andrew T. Sinclair, Richmond, VA (US); Robert J. Rose, Richmond, VA (US); and Ian L. Churcher, Richmond, VA (US)
Assigned to Worthen Industries, Nashua, NH (US)
Filed by Steven E. Adams, Richmond, VA (US); Andrew T. Sinclair, Richmond, VA (US); Robert J. Rose, Richmond, VA (US); and Ian L. Churcher, Richmond, VA (US)
Filed on Oct. 21, 2020, as Appl. No. 17/76,436.
Application 17/076,436 is a continuation of application No. 15/380,439, filed on Dec. 15, 2016, granted, now 10,843,218.
Claims priority of provisional application 62/267,609, filed on Dec. 15, 2015.
Prior Publication US 2021/0031226 A1, Feb. 4, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B05C 1/08 (2006.01); B05B 13/02 (2006.01)
CPC B05C 1/08 (2013.01) [B05B 13/0221 (2013.01); B05C 1/0865 (2013.01); B05B 13/0207 (2013.01); B05C 1/0834 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An adhesive application apparatus comprising:
a roll applicator configured to roll-apply an adhesive to a substrate;
an activator sprayer positioned downstream of the application direction, the activator sprayer positioned in a direction to spray an adhesive activator on the substrate after the application of the adhesive;
wherein the activator sprayer is positioned to cause an activator spray to contact approximately 5%-85% of the surface area of the substrate; and
further comprising a quantity of adhesive activator supplied to the activator sprayer, the adhesive activator is configured to destabilize the adhesive to increase a tack of the adhesive to promote rapid binding.