Patent · US Active

Sealing oriented films

US10501223B2 · kind B2 · utility

0Cited by

5References

12Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Bert Broeders · Beringen, BE
Manfred Tryner · Wien, AT

Key dates

Filing date	Nov 7, 2013
Grant date	Dec 10, 2019
Priority date	—
Expiry date	Jul 10, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65B9/073
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A process for sealing a machine direction oriented polypropylene or polyethylene film to a substrate comprising bringing said film and said substrate into contact and subjecting at least a part of the contact area to ultrasound so as to form a seal between said film and said substrate.

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