Abstract: The present invention relates generally to a protective wrap and a protective envelope or pouch: made therefrom, as well as the apparatus and: process for forming such wraps and envelopes. Water-based heat-expandable adhesives (WBHEA) which include a plurality of heat-expandable microspheres are disposed in a pattern between, web substrates on a continuous, high speed manufacturing line to produce padded, insulated products: useful as envelopes, mailers and other protective packaging.
Type:
Grant
Filed:
August 22, 2018
Date of Patent:
March 12, 2024
Assignees:
Henkel AG & Co. KGaA, Graphic Innovators, LLC
Inventors:
Kris Getty, Daniel Waski, Alexis Kriegl, Bradley McLeod, Tianjian Huang, Scott Kiley, Stephan Carter, Jeff Menolascino