US 12,258,154 B2
Load wrapping apparatus and method utilizing packaging material with recycled content
Patrick R. Lancaster, III, Louisville, KY (US); and Christian Michael Gruner, Louisville, KY (US)
Assigned to Lantech.com, LLC, Louisville, KY (US)
Appl. No. 17/799,021
Filed by Lantech.com, LLC, Louisville, KY (US)
PCT Filed Feb. 25, 2021, PCT No. PCT/US2021/019538
§ 371(c)(1), (2) Date Aug. 11, 2022,
PCT Pub. No. WO2021/178189, PCT Pub. Date Sep. 10, 2021.
Claims priority of provisional application 62/984,514, filed on Mar. 3, 2020.
Prior Publication US 2023/0066888 A1, Mar. 2, 2023
Int. Cl. B65B 11/02 (2006.01); B65B 41/12 (2006.01)
CPC B65B 11/025 (2013.01) [B65B 41/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of controlling a load wrapping apparatus of the type configured to wrap a load with a stretchable plastic packaging material that includes recycled content and that is dispensed from a packaging material dispenser through relative rotation between the packaging material dispenser and the load, the method comprising:
conveying a web of the packaging material through a pre-stretch assembly of the packaging material dispenser to pre-stretch the web of packaging material prior to dispensing the packaging material to the load; and
heating the web of packaging material prior to or while conveying the web through the pre-stretch assembly to reduce a pre-stretch force applied to the web, wherein heating the web of packaging material comprises heating the web of packaging material with convective heat, wherein the web of packaging material is drawn from a roll of packaging material, wherein heating the web of packaging material comprises heating the roll of packaging material within a heated enclosure, wherein the heated enclosure is a first heated enclosure operably coupled to the packaging material dispenser, and wherein the method further comprises pre-heating the roll of packaging material in a second heated enclosure.