US 12,240,673 B2
Packaging unit from a moulded pulp material with peelable laminated layer and method for manufacturing such packaging unit
Harald John Kuiper, Heerenveen (NL); and Jan Hendrik Timmerman, Brucht (NL)
Assigned to Huhtamaki Molded Fiber Technology B.V., Leeuwarden (NL)
Appl. No. 16/982,702
Filed by Huhtamaki Molded Fiber Technology B.V., Leeuwarden (NL)
PCT Filed Mar. 13, 2019, PCT No. PCT/NL2019/050161
§ 371(c)(1), (2) Date Sep. 21, 2020,
PCT Pub. No. WO2019/190309, PCT Pub. Date Oct. 3, 2019.
Claims priority of application No. 2020688 (NL), filed on Mar. 29, 2018; and application No. 2021327 (NL), filed on Jul. 17, 2018.
Prior Publication US 2021/0009327 A1, Jan. 14, 2021
Int. Cl. B65D 1/34 (2006.01); B32B 27/36 (2006.01); B65D 25/14 (2006.01); B65D 65/46 (2006.01); D21H 19/28 (2006.01); B65D 65/40 (2006.01)
CPC B65D 65/466 (2013.01) [B32B 27/36 (2013.01); B32B 2307/7163 (2013.01); B32B 2439/70 (2013.01); B65D 1/34 (2013.01); B65D 65/40 (2013.01)] 11 Claims
OG exemplary drawing
 
1. Packaging unit from a moulded pulp material, the packaging unit comprising a product receiving or carrying compartment having a product contact surface,
wherein the product contact surface comprises a peelable laminate layer,
wherein the peelable laminate layer is removably connected to the moulded pulp material,
wherein the moulded pulp material comprises an amount of a biodegradable aliphatic polyester blended into the moulded pulp material,
wherein the amount of biodegradable aliphatic polyester in the moulded pulp material is in the range of 0.5-20 wt. %, and
wherein the biodegradable aliphatic polyester is configured to removably couple the peelable laminate layer to the moulded pulp material.