FIELD: packing industry.
SUBSTANCE: inventions are related to packages for food products. Multilayer film consists of the first layer made of plastic material and at least one second layer made of material selected from number of plastic material, metal material, material that is similar to paper, or equivalent materials. Each layer is connected to adjacent layer by means of intermediate layer of adhesive material. Multilayer film at least on one surface of more rigid layer of plastic material has multiple continuous parallel cuts arranged in rows next to each other for reduction of breaking load at the right angles to direction of cuts. Cuts are produced by means of material removal and partially reduce thickness of more rigid layer.
EFFECT: invention provides for easy rectilinear rupture in specified direction of weakened package section.
15 cl, 10 dwg
Title | Year | Author | Number |
---|---|---|---|
MULTILAYER LAMINATED FILM | 2007 |
|
RU2422280C2 |
METHOD OF MAKING SEALED BOX OF CONSUMER GOODS | 2008 |
|
RU2461498C2 |
FLEXIBLE MULTILAYER LAMINATE WITH INTEGRATED PRESSURE RELIEF VALVE | 2015 |
|
RU2674517C2 |
METHOD OF FABRICATING RESILIENT PACKING LAMINATE | 2009 |
|
RU2483929C2 |
LAMINATED BARRIER FILM AND COVERING EDGE STRIP FOR PACKING | 2016 |
|
RU2726549C2 |
MULTILAYERED FILM AND FILM PACKAGE MADE WITH POSSIBILITY OF RECLOSING | 2019 |
|
RU2789267C1 |
CHILD-PROOF POUCH | 2003 |
|
RU2281895C2 |
SQUEEZABLE VESSELS FOR FLUID MATERIAL HAVING IMPROVED BARRIER AND MECHANICAL PROPERTIES | 2001 |
|
RU2270146C2 |
COVERING FILM OF BLISTER PACKAGE, BLISTER PACKAGE AND METHOD OF ITS FORMATION | 2009 |
|
RU2505469C2 |
THERMOFORMABLE MULTILAYER FILMS AND BLISTER PACKS MADE OF THEM | 2010 |
|
RU2538793C2 |
Authors
Dates
2009-12-20—Published
2005-09-08—Filed