Patent · US Expired

Method and device for packing products in films and film-packed product

US7231752B2 · kind B2 · utility

12Cited by

20References

9Claims

0Family size

Assignee

MARS, INCORPORATED · US

Inventors

Richard Merken-Schiller · Düsseldorf, DE
Stefan Eberhardt · Backnang, DE
Pamela Czechowski · Heidelberg, DE

Key dates

Filing date	Jul 17, 2003
Grant date	Jun 19, 2007
Priority date	—
Expiry date	Jul 17, 2023

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C66/83411
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention is directed to a method of wrapping products in films, including the steps of: positioning the products on a first sheet of film which is continuously advanced in one transport direction; covering the products with a second sheet of film, which is continuously advanced in the transport direction and which is aligned plane-parallel to the first sheet of film; ultrasonically welding the first and second films on the outer edges of the products in each case and ultrasonically separating the overlapping films at selected positions; separating the wrapped products or groups of wrapped products.

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