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Single-layer or multilayer tubular food packaging film that can be smoked, air-dried, and peeled, especially peeled in fully automatic manner, and method for production thereof

A food, single-layer technology, used in synthetic resin layered products, packaging, layered products, etc., can solve problems such as increased complexity, peelability defects, and difficulty in wrinkling

Inactive Publication Date: 2013-12-18
KUHNE ANLAGENBAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these materials, especially fiber fleece and staple fleece, must be compacted and coated, adding to the complexity
Moreover, its low stiffness cannot be raised to a sufficient level by this method, which makes it more difficult to pleat, and it is even more impossible to realize small-diameter pleats without mesh.
Consequently, these known sausage casings have hitherto been unsuitable for mechanized reprocessing
[0014] Furthermore, the aforementioned food packaging exhibits an excessively high filling adhesion in the machine direction and / or in the longitudinal direction of the sausage and a clearly insufficient tendency to tear and / or splice
This, especially when using support nets, fibers or fluff, can result in defective peelability or lack thereof at all

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] According to the present invention, a single-layer or multi-layer tubular food film that can be smoked, air-dried, and peeled, especially fully automatic, is proposed, especially one that is suitable for smokeable and / or air-dried sausage or meat. Casings for products, this polymer-based food film is supplied via a (co)extrusion film blowing device using (co)extruded plastics supplied to nozzles on The homogeneous molten plastic is made of polystyrene (polystyrene, abbreviated as PS) or a mixture of various PS and a plastic mixture composed of PVOH and / or PEBA.

[0018] Advantageously, not only is it possible for the first time to spray through the nozzle, and then use the bidirectional stretching of the three-bubble method to realize the large-scale production of tubular food films that can be smoked, air-dried, and peeled, especially fully automatic peeling, and It is also possible to completely dispense with the use of nets, soft carrier materials or fluff, which are...

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PUM

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Abstract

The present invention relates to a single-layer or multilayer tubular food packaging film that can be smoked, air-dried and peeled, in particular peeled in a fully automated manner, in particular a sausage casing, for smoked and / or air-dried sausage or meat goods, wherein the polymer-based food film is manufactured of a homogeneous molten plastic material in a (co-)extrusion film blow molding plant by means of (co-)extruded plastics supplied to a nozzle of a blow head and biaxially stretched in the triple-bubble process, the homogeneous molten plastic material being produced of a plastic blend of PS or a blend of various PSs and PVOHs and / or PEBAs. The present invention moreover relates to a method for the manufacture of the food film.

Description

technical field [0001] The present invention relates to a single-layer or multi-layer tubular food packaging film that can be smoked, air-dried, peeled, especially fully automatically peeled according to the preamble of claim 1, especially a kind for being smoked and / or Casings for air-dried sausage or meat products in which the polymer-based food film is supplied via a (co)extrusion film blowing device with a (co)extrusion plastic supplied to the nozzle of the spray head and biaxial stretching via the three-bubble method, Made of homogeneous molten plastic. The invention also relates to the production method of the food packaging film according to the preamble of claim 12 . Background technique [0002] Smokeable casings are known from practice and literature. Thus, patent document DE19942835A1 discloses a casing made of artificial casing material, a soft plastic material permeable to gas and oxygen is used for this purpose. The casing material described in DE19942835A1 ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A22C13/00B32B27/30B29C48/10
CPCB29K2029/04A22C2013/003B32B27/30B29C47/0057B29C47/065B29C47/0004B29C47/0026A22C13/0013A22C2013/0089A22C2013/0083B29C47/145B29K2105/256B29K2105/16B29K2077/00B32B27/08B32B27/18B32B27/20B32B27/285B32B27/302B32B27/306B32B27/34B32B1/08B32B2250/24B32B2264/06B32B2264/062B32B2264/101B32B2270/00B32B2307/50B32B2307/51B32B2307/518B32B2307/724B32B2307/734B32B2439/70B29C48/022B29C48/10B29C48/0018B29C48/21B29C48/307Y10T428/1324A22C13/00
Inventor J·席夫-曼
Owner KUHNE ANLAGENBAU
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