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Device for loading or unloading containers comprising a neck on a transporting element

A loading device and unloading device technology, which is applied in the field of loading or unloading devices for thermoplastic material preforms on conveying parts, and can solve problems such as preforms falling and chucks not being fully pressed.

Active Publication Date: 2008-08-27
SIDEL PARTICIPATIONS SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in high-tempo production, the chuck may not be sufficiently press-fit into the neck of the preform
Therefore, there is a risk of the preform falling from the chuck

Method used

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  • Device for loading or unloading containers comprising a neck on a transporting element
  • Device for loading or unloading containers comprising a neck on a transporting element
  • Device for loading or unloading containers comprising a neck on a transporting element

Examples

Experimental program
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Embodiment Construction

[0031] [31] In the following, as a non-limiting example, the longitudinal, vertical and transverse orientations denoted by the trihedrons L, V, T shown in FIG. 1 are used.

[0032] [32] Hereinafter, the same, similar or similar components are denoted by the same reference numerals.

[0033] [33] FIG. 1 shows a loading device 10 for loading containers 12 onto a conveying member 14 .

[0034] [34] The containers 12 are here preforms, which are composed of a thermoplastic material such as polyethylene terephthalate (PET) and are used in the first heating process to soften the thermoplastic material of which they are composed. , then a second blowing or stretch-blowing process followed by a container such as a bottle, whereby the preform 12 is shaped into a container.

[0035] [35] Each preform 12 takes the form of a graduated cylinder or test tube having a vertical axis "A", according to known methods. As shown in FIG. 2 , the tubular body 16 of the preform 12 is closed at its ...

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PUM

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Abstract

The present invention concerns a device for loading (10) or unloading (58) preforms (12) comprising a neck (20) on a transporting element (14) which includes a device (28) for individually gripping one preform (12) by its neck, the loading or unloading device comprising: means for dispensing (32, 42) preforms which include means for individually receiving (42) each preform, the trajectory of the receiving means and the trajectory of the gripping means, in planar projection, being tangent in at least one intersecting point (P3, P4) wherein the preform (12) being in a gripping position, the neck (20) of the preform (12) is vertically arranged opposite the gripping member; means for synchronizing the movement of the receiving means relative to the movement of the gripping member. The invention is characterized in that the trajectory of the receiving means and the trajectory of the gripping member are superimposed along at least one intersecting line (P3-P1, P2-P4).

Description

technical field [0001] [01] The invention relates to a device for loading or unloading containers having necks on a conveyor. [0002] [02] The invention relates in particular to a device for loading or unloading containers with necks, in particular preforms of thermoplastic material, on a conveyor with means for individually gripping the preforms by means of their necks. At least one gripping mechanism adapted to convey preforms along a horizontal conveying path, said loading device or unloading device having: [0003] [03] - Dispensing means which dispenses the preforms and has a receiving part which receives each preform individually, so as to guide each preform successively along the dispensing path, whereby the path of the receiving means and the path of the gripping mechanism tangent in planar projection to at least one intersection point at which the preform is in a gripping position in which the neck of the preform is arranged perpendicularly facing the gripping mecha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B65G47/84B29C49/42B29C49/36
CPCB29C49/36B29C49/4205B29C49/42085B29C49/42095B29C49/42378B29C49/4238
Inventor R·勒布隆D·吉莱
Owner SIDEL PARTICIPATIONS SAS