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Packaging apparatus for forming sealed packages

A technology for sealing packaging and packaging materials, which is applied in packaging, packaging protection, packaging sterilization, etc., and can solve problems such as instability

Active Publication Date: 2021-12-14
TETRA LAVAL HLDG & FINANCE SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] It has been further observed that this behavior leads to the presence of instabilities which add to the complexity of the overall packaging process control

Method used

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  • Packaging apparatus for forming sealed packages
  • Packaging apparatus for forming sealed packages
  • Packaging apparatus for forming sealed packages

Examples

Experimental program
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Embodiment Construction

[0026] Numeral 1 generally designates a sealed package 2 for producing pourable food products, in particular sterilized and / or sterilized pourable food products, such as pasteurized milk or fruit juices, from a tube 3 of a web of packaging material 4 packaging device. In particular, in use, the tube 3 extends along a longitudinal axis L, in particular an axis L having a vertical orientation.

[0027] The packaging material web 4 has a multilayer structure (not shown) and comprises at least one layer of fibrous material (such as a paper or cardboard layer), and at least two layers of heat-sealable plastic material (such as polyethylene), the layers of fibrous material being inserted between The layers of plastic material are heat-sealed to each other. One of the two layers of heat-sealable plastic material defines the inner surface of the package 2 that ultimately contacts the pourable product.

[0028] Preferably, but not necessarily, the web 4 also comprises a layer of gas ...

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PUM

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Abstract

There is described a packaging apparatus (1) for forming sealed packages (2) filled with a pourable product. The packaging apparatus (1) comprises a delimiting element (45) movably arranged, in use, within a tube (3) and designed to divide the tube (3) into a first space (46) and a second space (47). The delimiting element (45) is arranged such that the delimiting element (45) is adapted to move along a first direction (D1) and a second direction (D2) opposite to the first direction (D1) and between at least a first position and a second position, the second direction (D2) being substantially parallel to the tube (3). The delimiting element (45) comprises a main engagement portion (60) configured to abut against a main abutment portion (61) of a gas supply pipe (49) or a filling pipe (31) with the delimiting element (45) being in the first position. The main abutment portion (61) and / or the main engagement portion (60) are designed such that at least one opening (62) and / or at least one channel are / is present between the main abutment portion (61) and the main engagement portion (60) with the delimiting element (45) being in the first position.

Description

technical field [0001] The present invention relates to a packaging device for forming sealed packages, in particular filled with pourable products. Background technique [0002] It is well known that many liquid or pourable food products (such as fruit juices, UHT (ultra-high temperature treated) milk, wine, tomato paste, etc.) are sold in packages made of sterile packaging materials. [0003] A typical example is the parallelepiped-shaped package for liquid or pourable food known as Tetra Brik Sanitizer (registered trademark), which is made by sealing and folding laminated strip packaging material. The packaging material has a multilayer structure comprising a base layer (eg paper base layer) covered on both sides with layers of heat-sealable plastic material (eg polyethylene). For sterilized packaging intended for long-term storage of products (such as UHT milk), the packaging material also includes a layer of oxygen barrier material (such as aluminum foil), which is sup...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65B9/12B65B55/02B65B55/10B65B31/04
CPCB65B55/103B65B55/027B65B9/12B65B31/045
Inventor 尼古拉·加鲁蒂保罗·萨尼邦蒂
Owner TETRA LAVAL HLDG & FINANCE SA