Patent · US Active

Collation shrink film printable with a digital printing process

US12023898B2 · kind B2 · utility

0Cited by

0References

27Claims

0Family size

Assignee

RKW SE · DE

Inventor

Hannu HIRVI · Tampere, FI

Key dates

Filing date	Jan 21, 2019
Grant date	Jul 2, 2024
Priority date	—
Expiry date	Oct 27, 2041

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65B2220/24
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Multi-layer collation shrink film comprising a main layer based on a polyethylene mixture comprising 75 to 85 wt.-% low density polyethylene and 15 to 25 wt.-% high density polyethylene or linear low density polyethylene and a skin layer based on a polar ethylene copolymer with vinyl acetate or alkyl (meth)acrylate with a vinyl acetate or alkyl (meth)acrylate content of at least 15 wt.-% and containing 5000 to 20000 ppm silica and a slip agent, use of the film in multi-layer packaging films and method for packaging objects together with the multi-layer collation shrink film including printing the skin layer with a digital ink printing process before or after packaging the objects.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.