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Vacuum pumping circuit and machine for treating containers equipped with same

A vacuum suction, container technology, applied in the direction of machines/engines, liquid variable displacement machinery, components of pumping devices for elastic fluids, etc., can solve the problems of adverse effects of valve sealing, not completely satisfactory, etc.

Inactive Publication Date: 2008-12-10
SIDEL PARTICIPATIONS SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] [08] This solution is also not entirely satisfactory as it requires very long control surfaces and precise mounting to ensure a tight seal
Also, wear of the rollers or control surfaces will adversely affect the tightness of the valve

Method used

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  • Vacuum pumping circuit and machine for treating containers equipped with same
  • Vacuum pumping circuit and machine for treating containers equipped with same
  • Vacuum pumping circuit and machine for treating containers equipped with same

Examples

Experimental program
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Effect test

Embodiment Construction

[0029] [29] Hereinafter, the same, similar or similar components will be given the same reference numerals.

[0030] [30] figure 1 and figure 2 Shown is part of a machine 10 for processing containers 12 , shown here in the form of bottles, equipped with a vacuum suction circuit 14 made according to the invention.

[0031] [31] The machine 10 is used for depositing internal barrier coatings by microwave plasma, particularly for encapsulating oxidation-sensitive liquids within containers 12 .

[0032] [32] In the prior art, the machine 10 has several processing stations 16 arranged at equal intervals circumferentially around a rotating carousel (not shown), each processing station 16 processing one container 12 at a time.

[0033] [33] A portion of a single processing station 16 is shown in the figure.

[0034] [34] The processing station 16 includes a processing enclosure 18 designed to accommodate the container 12 and to define a cavity 20 around the container 12 .

[003...

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PUM

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Abstract

The invention relates to a vacuum suction circuit (14), which includes an upper chamber (34) and a lower chamber (36), which are connected through a connecting hole (38). And it includes a valve (40) with a rod (48), which can be guided in order to close the connecting hole (38) so that it slides along a vertical axis (A1), characterized in that: The valve stem (48) is provided with a section forming a piston (52). The section forms a movable upper wall of a control chamber (54). The control chamber is connected with the upper chamber (34). The piston (52) has an upper surface (56) which is always at atmospheric pressure and a lower surface (58) whose pressure is the pressure of the control chamber (54). The invention also provides a machine equipped with such a suction circuit.

Description

technical field [0001] [01] The present invention relates to vacuum suction circuits, and machines for handling containers, such as bottles. [0002] [02] The invention relates in particular to a vacuum suction circuit of a container treatment machine which treats containers by depositing a barrier-forming inner coating by means of microwave plasma, comprising: [0003] [03] - an upper cavity and a lower cavity, which communicate through a connection hole, the lower cavity is connected to a cavity, the upper cavity is connected to a vacuum pump, and the vacuum pump is designed to: suck the cavity until the until the pressure in the cavity reaches a specific value called the final value, [0004] [04]-and comprising a valve, between a closed lower axial position and an open upper axial position, in a corresponding opening of the upper transverse wall of said upper chamber, along a substantially vertical axis slidably guided, wherein, in the closed lower axial position, the he...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B53/10F04B37/14H05H1/46
CPCF04B53/12
Inventor D·西雷特
Owner SIDEL PARTICIPATIONS SAS