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Device for thermoforming containers having translational mould blocks

A thermoforming and mold technology, applied in the field of container devices, can solve the problems of complex structure, limited size, and complex structure of label insertion blocks, and achieve the effects of increased productivity, high productivity, and simple movement

Inactive Publication Date: 2017-10-17
ERCA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the mold set needs to be driven to rotate in addition to moving the mold set vertically so that the container can be thermoformed and demolded, the device requires a relatively complicated structure
In addition, the insert block needs to be specially designed to hold the label in place when the die block is in the laterally extended position, which further complicates the structure of the label insert block
Ultimately, the insert blocks must be placed below the plane of travel of the thermoplastic strips, especially below the heating stations, making them inaccessible, limiting their size and complicating their maintenance

Method used

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  • Device for thermoforming containers having translational mould blocks
  • Device for thermoforming containers having translational mould blocks
  • Device for thermoforming containers having translational mould blocks

Examples

Experimental program
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Embodiment Construction

[0054] first of all, yes figure 1 Be explained, figure 1 A device for using the apparatus of the invention and for carrying out the method of the invention is schematically shown.

[0055] The plant comprises a plurality of stations through which the strip of thermoplastic material 10 is driven in sections by drive means (not shown in the figure). In the apparatus shown by way of example, the container is thermoformed from thermoplastic material in the form of a strip. Naturally, the belt can be replaced by a single sheet or panel from which the containers can be thermoformed individually or in groups, such a sheet or panel being driven in sections along the travel axis F like the belt.

[0056] Taking into account the sequence of the direction of travel of the belt traveling along the axis of travel F, the plant comprises: a heating station 14; a thermoforming station 16; a filling station 18 for filling thermoformed containers 1; and a closing station 20 for closing Conta...

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Abstract

The device comprises at least one first and one second analogue mould block (31, 32), a counter mould, means for advancing a thermoplastic material in an advancement direction (F), and two labelling blocks (50, 52). The mould blocks can be displaced according to a first displacement (D) between a forming level and a release level. The mould blocks can also be displaced according to a second displacement (T) in a direction transverse to the direction of advancement, in order to alternately place each mould block opposite the counter mould and opposite one of the labelling blocks.

Description

technical field [0001] The invention relates to a device and a method for manufacturing containers provided with decorative labels by thermoforming. Background technique [0002] Patent application EP1090735 discloses a device and a method for thermoforming containers from a segmentally advancing strip of thermoplastic material. The apparatus consists of two mold blocks, a counter-mold and two label insertion blocks for inserting decorative wrap-around labels or "streamers". The two mold blocks are mounted to move vertically between the thermoforming level and the disengagement level, and they are also mounted to move horizontally along the axis of travel of the thermoplastic material web such that one mold block is located in the opposite mold The thermoforming position below, while another mold block is positioned in the trim position below the decorative wrap-around label insert block. The decorative wrap-around label insertion block is mounted to move transversely to t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C51/16B29C51/20B29L31/00
CPCB29C51/167B29C51/162B29C51/20B29L2031/7132B29C51/12
Inventor S·勒梅塔耶
Owner ERCA
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