WO2006010679A1 - Circuit de pompage a vide et machine de traitement de recipients equipee de ce circuit - Google Patents
Circuit de pompage a vide et machine de traitement de recipients equipee de ce circuit Download PDFInfo
- Publication number
- WO2006010679A1 WO2006010679A1 PCT/EP2005/052985 EP2005052985W WO2006010679A1 WO 2006010679 A1 WO2006010679 A1 WO 2006010679A1 EP 2005052985 W EP2005052985 W EP 2005052985W WO 2006010679 A1 WO2006010679 A1 WO 2006010679A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- valve
- chamber
- pumping circuit
- piston
- vacuum pumping
- Prior art date
Links
- 238000005086 pumping Methods 0.000 title claims abstract description 34
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
- F04B53/12—Valves; Arrangement of valves arranged in or on pistons
Definitions
- the present invention relates to a vacuum pumping circuit and a machine for processing containers, especially bottles.
- the present invention more particularly relates to a vacuum pumping circuit of a container processing machine by depositing an inner barrier coating by means of a microwave plasma comprising:
- valve guided in sliding along a substantially vertical axis in a corresponding opening in the upper transverse wall of the upper chamber, between a closed down axial position in which the head of the valve closes the connection orifice, and a high open axial position, of the type in which the valve comprises a rod which extends axially upwards outside the upper chamber, the valve stem being connected to means capable of controlling the valve at least towards its open position .
- the present invention aims to overcome these disadvantages.
- the invention proposes a vacuum pumping circuit of the type described above, characterized in that the valve stem is provided with a section forming a piston which constitutes the movable upper wall of a control chamber communicating with the upper chamber, the piston having an upper face permanently subjected to the pressure of the atmospheric air and a lower face subjected to the pressure in the control chamber so that when the pressure in the lower chamber reaches the final value; , the valve is kept in the closed position under the effect of the pressure differential between the two faces of the piston.
- the upper transverse wall comprises an annular spacer which is interposed axially between the opening and the control chamber, which comprises a central duct for axial guiding of the valve stem, and which is provided with channels making the connection between the chamber command and the upper chamber;
- a vacuum-tight metal bellows is interposed axially between the outer peripheral edge of the piston and the outer peripheral edge of an axial section of the spacer; forming the outer peripheral wall of the control chamber along the valve stem;
- valve comprises an axial skirt which is linked in axial sliding with the valve stem and which envelops the bellows and the piston;
- the upper end section of the valve stem cooperates with means, such as a cam mechanism, so as to control the sliding of the valve towards its open position;
- the cam mechanism comprises a control surface which controls the movement of the valve towards its closed position
- the head of the valve is attached to the lower end of the valve stem;
- connection orifice comprises an upper transverse flange
- valve head has a lower transverse closure surface which is provided with an annular sealing gasket and which is designed to come into axial tight support against the transverse flange; when the valve is in its closed position;
- the invention also proposes a machine for treating containers; in particular bottles, by deposition of an inner coating forming a barrier by means of a microwave plasma, in particular with a view to enabling the conditioning of oxidic-sensitive liquids in the containers, comprising at least one treatment station for a container each treatment station comprising:
- a treatment chamber which is intended to contain the container and which delimits a cavity around the container
- a cover which is provided to close the enclosure hermetically and which comprises a pumping conduit sealingly connected inside the container, characterized in that the cover is equipped with a pumping circuit according to the invention.
- FIG. 1 is an axial sectional view which shows schematically a processing station of the machine equipped with a vacuum pumping circuit made according to the teachings of the invention during a first pumping phase;
- FIG. 2 is a view similar to that of FIG. 1, which represents the treatment station during a second pumping phase;
- FIG. 3 is an axial sectional view which schematically shows a connecting portion of the vacuum pumping circuit equipped with a valve occupying its open axial position;
- Figure 4 is a view similar to that of Figure 4 which shows the valve in the closed axial position
- FIG. 5 is a perspective view which shows schematically the lid equipped with the valve according to the teachings of the invention when it occupies its closed position.
- FIGs 1 and 2 there is shown partially a machine 10 for processing containers 12, here shown in the form of bottles, which is equipped with a vacuum pumping circuit 14 made in accordance with the teachings of the invention.
- the machine 10 is intended to deposit an inner barrier coating by means of a microwave plasma, in particular to allow the conditioning of a liquid-sensitive liquid in the containers 12.
- the machine 10 has a plurality of processing stations 16 which can be circumferentially distributed evenly over a rotating carousel (not shown), each treatment station 16 being provided to process a container 12 at a time.
- the treatment station 16 comprises a treatment chamber 18 which is designed to contain the receptacle 12 and which delimits a cavity 20 around the receptacle 12.
- the container 12 is arranged here vertically with its opening upwards.
- the treatment station 16 also comprises a cover 22 which is provided to close the enclosure 18 in a hermetic manner, delimiting the upper end of the cavity 20, and which comprises a pumping conduit 24 sealingly connected inside. of the container 12.
- the pumping duct 24 is connected by a first end 26 to a vacuum pump 28.
- the second end 30 of the pumping conduit 24 communicates with the cavity 20 of the treatment chamber 18 via a connecting portion 32 which is arranged here in an end portion of the cover 22.
- the lid 22 also comprises an injector 33 of a precursor gas, for example acetylene in the case of a carbonaceous deposit, which injector is provided with an injection tube 35 extending axially inside the container 12.
- a precursor gas for example acetylene in the case of a carbonaceous deposit
- the connecting portion 32 is shown in greater detail in FIGS. 3 and 4.
- the connecting portion 32 of the vacuum pumping circuit 14 comprises an upper chamber 34 and a chamber lower 36 which communicate through a connection port 38.
- the lower chamber 36 is connected to the cavity 20 delimited by the treatment chamber 18 and the upper chamber 34 is connected to the pumping conduit 24 at the second end 30.
- the connecting portion 32 comprises a valve 40 which is slidably guided along a substantially vertical axis A1, between a closed down axial position, which is shown in FIGS. 2 and 4, in which the head 42 of the valve 40 comes to close. connection port 38, and a high open axial position, which is shown in FIGS. 1 and 3.
- a vertical axial orientation along the axis A1 of sliding of the valve 40 is defined in a nonlimiting manner. Elements will be described as transversal with reference to this axis A1.
- the valve 40 is slidably mounted in a corresponding opening 44 of the upper transverse wall 46 of the upper chamber 34.
- the upper transverse wall 46 is constituted here by the upper transverse wall of the lid 22.
- the valve 40 comprises a rod 48 which extends axially upwards outside the upper chamber 34 and which is connected to means 50 capable of controlling the sliding of the valve 40 at least towards its open position.
- the rod 48 is provided with a section forming a piston 52 which constitutes the movable upper wall of a control chamber 54 communicating with the upper chamber 34.
- the piston 52 here has a generally cylindrical shape coaxial with the rod 48 and is made integrally with the rod 48.
- the piston 52 has a transverse upper face 56, which is subjected continuously to atmospheric air pressure and a lower face 58, also transverse, which is subjected to the pressure prevailing in the control chamber 54.
- the upper transverse wall 46 comprises an annular spacer 60 which is interposed axially between the opening 44 and the control chamber 54.
- the spacer 60 comprises a generally cylindrical and tubular main body which is traversed axially, from its lower end to its upper end, by a central duct 64.
- the rod 48 is guided axially by the internal axial walls of the central duct 64.
- the spacer 60 comprises an upper portion 66, in the form of a radial flange whose upper transverse face 68 is arranged axially vis-à-vis the lower face 58 of the piston 52 so as to define axially the control chamber 54.
- the lower end section 70 of the spacer 60 is here screwed into the opening 44 until a lower radial flange 72 of the spacer 60 comes into axial tight support against the upper face 74 of the transverse wall superior 46.
- the lower radial flange 72 is provided here with an O-ring 76 which interposes axially between the lower radial flange 72 and the upper transverse wall 46.
- the spacer 60 is provided with axial channels 78 which are arranged in its radial thickness and which make the connection between the control chamber 54 and the upper chamber 34.
- Each axial channel 78 opens into the outer axial face 80 of the upper end section of the spacer 60 and ⁇ in the bottom end transverse face 82 of the spacer 60.
- a vacuum-tight metal bellows 84 is interposed axially between the outer peripheral edge of the lower face 58 of the piston 52 and the outer peripheral edge of the radial flange constituting the upper portion 66 of the spacer.
- the bellows 84 is coaxial with the rod 48 and constitutes the outer peripheral wall of the control chamber 54 along the rod 48.
- the valve 40 comprises an axial skirt 86 which is axially slidably connected to the rod 48 and which surrounds the bellows 84 and the piston 52.
- the head 42 of the valve 40 here has a cylindrical shape and is attached to the lower end of the rod 48.
- connection orifice 38 here comprises a transverse rim 88 upper.
- the head 42 of the valve 40 has a bottom transverse surface 90 of closure which is provided with an annular sealing gasket 92 and which is designed to bear tightly against the transverse flange 88 when the valve 40 is in its closed position. as shown in Figures 2 and 4.
- the means 50 capable of controlling the sliding of the valve 40 at least towards its open position are constituted by a cam mechanism which cooperates with the upper end section 94 of the rod 48 so as to controlling the sliding of the valve 40 to its open position and controlling the movement of the valve 40 to its closed position.
- the cam mechanism 50 here comprises a lever 96 which is pivotally mounted on the cover 22 about a transverse axis A2. The pivoting of the lever 96 is linked to the sliding of the valve 40 by means of a set of rods 98.
- the lever 96 carries a roller 100 which is provided to cooperate with a control surface (not shown) of the machine 10.
- the control surface has a plurality of sections that are provided to cause pivoting of the lever 96 and drive the valve 40 adequately to one of its two extreme axial positions.
- the method of treatment of the container 12 by the machine 10 comprises a preliminary step during which the vacuum pumping circuit 14 causes a decrease in the pressure inside the cavity 20 to a determined value, said external final value.
- Ia final internal value PFJ n t is about 0.1 mbar and the final external value pF ⁇ Xt is about 50 mbar, so that the vacuum is greater in the container 12 in the cavity 20.
- the preliminary step is followed by a processing step in which the final values pF ext , pF in t are maintained in the cavity 20 and in the container 12 to allow the deposition of the inner coating in the container 12.
- the precursor gas is injected into the container 12, via the injector 33, and subjected to the action of microwaves so that it switches to the state of plasma and causes barrier coating deposition (carbonized when the precursor is acetylene-based) on the inner walls of the container 12.
- This deposit constitutes an inner barrier coating, for example against oxygen molecules and carbon dioxide .
- the preliminary step comprises a first phase, which is illustrated in FIG. 1, during which the pumping is performed simultaneously in the cavity 20 and in the container 12 and a second phase, which is illustrated in FIG. from which the pumping is carried out only in the container 12.
- the first phase ends when the pressure in the cavity 20 reaches the external final value pF ⁇ X t-
- the pressure decreases inside the vacuum pump circuit 14, in particular in the upper chamber 34 which communicates with the control chamber 54.
- the pressure in the control chamber 54 therefore decreases simultaneously, which creates a pressure differential between the upper face 56 and the lower face 58 of the piston 52, since the upper face 56 is subjected to the atmospheric pressure prevailing outside. of the vacuum pump circuit 14.
- the cam mechanism 50 holds the valve 40 in the open position until the pressure in the cavity 20 reaches its external final value pF ext .
- the cam mechanism 50 controls the displacement of the valve 40 so that it gradually descends to its closed position (FIGS. 2 and 4).
- the vacuum pump circuit 14 continues the pumping only in the container 12 until reaching the internal final value pFj nt , which is lower than the pressure in the cavity 20.
- the processing step can be implemented.
- the vacuum is maintained in the cavity 20, by the hermetic closure of the chamber 18, and in the container 12, by continuous pumping and regulated by means of the vacuum pump 28.
- the interior of the container 12 and the cavity 20 are returned to atmospheric pressure.
- the cam mechanism 50 controls the opening of the valve 40.
- valve 40 does not require the action of the cam mechanism 50 or the action of an elastic return means to be retained. axially in its closed position. Indeed, the valve 40 is held in its closed position under the sole action of the pressure differential between the two faces of the piston 52.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Physical Vapour Deposition (AREA)
- Fluid-Driven Valves (AREA)
- Treatment Of Fiber Materials (AREA)
- Chemical Vapour Deposition (AREA)
- Stereo-Broadcasting Methods (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Closures For Containers (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007518595A JP4838243B2 (ja) | 2004-06-30 | 2005-06-27 | 真空ポンプ回路及びこの真空ポンプ回路を備えた容器処理機械 |
US11/631,149 US8083854B2 (en) | 2004-06-30 | 2005-06-27 | Vacuum pumping circuit and machine for treating containers equipped with same |
DE602005005481T DE602005005481T2 (de) | 2004-06-30 | 2005-06-27 | Vakuumpumpkreislauf und damit ausgerüstete maschine zur behandlung von behältern |
EP05762949A EP1761705B1 (fr) | 2004-06-30 | 2005-06-27 | Circuit de pompage a vide et machine de traitement de recipients equipee de ce circuit |
MXPA06014985A MXPA06014985A (es) | 2004-06-30 | 2005-06-27 | Circuito de bombeo al vacio y maquina para tratar recipientes equipados con el mismo. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0451366A FR2872555B1 (fr) | 2004-06-30 | 2004-06-30 | Circuit de pompage a vide et machine de traitement de recipients equipee de ce circuit |
FR0451366 | 2004-06-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006010679A1 true WO2006010679A1 (fr) | 2006-02-02 |
Family
ID=34945702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/052985 WO2006010679A1 (fr) | 2004-06-30 | 2005-06-27 | Circuit de pompage a vide et machine de traitement de recipients equipee de ce circuit |
Country Status (11)
Country | Link |
---|---|
US (1) | US8083854B2 (fr) |
EP (1) | EP1761705B1 (fr) |
JP (1) | JP4838243B2 (fr) |
CN (1) | CN100441870C (fr) |
AT (1) | ATE389806T1 (fr) |
DE (1) | DE602005005481T2 (fr) |
ES (1) | ES2304018T3 (fr) |
FR (1) | FR2872555B1 (fr) |
MX (1) | MXPA06014985A (fr) |
PT (1) | PT1761705E (fr) |
WO (1) | WO2006010679A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2907036B1 (fr) | 2006-10-11 | 2008-12-26 | Sidel Participations | Installation de depot, au moyen d'un plasma micro-ondes, d'un revetement barriere interne dans des recipients thermoplastiques |
DE102010023119A1 (de) * | 2010-06-07 | 2011-12-22 | Khs Corpoplast Gmbh | Vorrichtung zur Plasmabehandlung von Werkstücken |
DE102012108196A1 (de) * | 2012-09-04 | 2014-03-06 | Windmöller & Hölscher Kg | Vorrichtung zum Absaugen von Abfallprodukten einer Produktionsmaschine |
EP2889260B1 (fr) * | 2013-12-30 | 2016-03-09 | Sidel S.p.a. Con Socio Unico | Unité pour exécuter une opération sur un récipient pouvant être rempli avec un produit coulant |
JP7594953B2 (ja) * | 2021-03-25 | 2024-12-05 | 本田技研工業株式会社 | 遮断弁用のキャップ部材、遮断弁用の弁体、遮断弁の製造方法、および遮断弁の弁体の交換方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6037562A (en) * | 1998-02-17 | 2000-03-14 | Ruediger Haaga Gmbh | Arrangement and process for sterilizing containers by means of low-pressure plasma |
FR2799994A1 (fr) * | 1999-10-25 | 2001-04-27 | Sidel Sa | Dispositif pour le traitement d'un recipient a l'aide d'un plasma a basse pression comportant un circuit de vide perfectionne |
FR2847912A1 (fr) * | 2002-11-28 | 2004-06-04 | Sidel Sa | Procede et dispositif pour deposer par plasma micro-ondes un revetement sur une face d'un recipient en materiau thermoplastique |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1494152A (fr) * | 1966-06-27 | 1967-09-08 | Radiotechnique Coprim Rtc | Dispositif à vide très poussé |
JPS4877416A (fr) * | 1972-01-18 | 1973-10-18 | ||
JPS52143368A (en) * | 1976-05-24 | 1977-11-29 | Toshiba Corp | Bellows |
DE3787507T2 (de) * | 1986-11-04 | 1994-01-20 | Ube Industries | Vorrichtung zum Entgasen einer Metallgussform. |
FR2776540B1 (fr) * | 1998-03-27 | 2000-06-02 | Sidel Sa | Recipient en matiere a effet barriere et procede et appareil pour sa fabrication |
FR2792854B1 (fr) * | 1999-04-29 | 2001-08-03 | Sidel Sa | Dispositif pour le depot par plasma micro-ondes d'un revetement sur un recipient en materiau thermoplastique |
JP2001349468A (ja) * | 2000-06-06 | 2001-12-21 | Smc Corp | 開閉バルブ |
-
2004
- 2004-06-30 FR FR0451366A patent/FR2872555B1/fr not_active Expired - Fee Related
-
2005
- 2005-06-27 US US11/631,149 patent/US8083854B2/en not_active Expired - Fee Related
- 2005-06-27 WO PCT/EP2005/052985 patent/WO2006010679A1/fr active IP Right Grant
- 2005-06-27 CN CNB2005800218689A patent/CN100441870C/zh not_active Expired - Fee Related
- 2005-06-27 DE DE602005005481T patent/DE602005005481T2/de active Active
- 2005-06-27 JP JP2007518595A patent/JP4838243B2/ja not_active Expired - Fee Related
- 2005-06-27 AT AT05762949T patent/ATE389806T1/de not_active IP Right Cessation
- 2005-06-27 MX MXPA06014985A patent/MXPA06014985A/es active IP Right Grant
- 2005-06-27 EP EP05762949A patent/EP1761705B1/fr not_active Not-in-force
- 2005-06-27 ES ES05762949T patent/ES2304018T3/es active Active
- 2005-06-27 PT PT05762949T patent/PT1761705E/pt unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6037562A (en) * | 1998-02-17 | 2000-03-14 | Ruediger Haaga Gmbh | Arrangement and process for sterilizing containers by means of low-pressure plasma |
FR2799994A1 (fr) * | 1999-10-25 | 2001-04-27 | Sidel Sa | Dispositif pour le traitement d'un recipient a l'aide d'un plasma a basse pression comportant un circuit de vide perfectionne |
FR2847912A1 (fr) * | 2002-11-28 | 2004-06-04 | Sidel Sa | Procede et dispositif pour deposer par plasma micro-ondes un revetement sur une face d'un recipient en materiau thermoplastique |
Also Published As
Publication number | Publication date |
---|---|
ATE389806T1 (de) | 2008-04-15 |
ES2304018T3 (es) | 2008-09-01 |
JP4838243B2 (ja) | 2011-12-14 |
PT1761705E (pt) | 2008-04-10 |
FR2872555A1 (fr) | 2006-01-06 |
DE602005005481D1 (de) | 2008-04-30 |
US8083854B2 (en) | 2011-12-27 |
EP1761705B1 (fr) | 2008-03-19 |
DE602005005481T2 (de) | 2009-04-30 |
FR2872555B1 (fr) | 2006-10-06 |
CN100441870C (zh) | 2008-12-10 |
JP2008504502A (ja) | 2008-02-14 |
MXPA06014985A (es) | 2007-07-11 |
CN1977110A (zh) | 2007-06-06 |
EP1761705A1 (fr) | 2007-03-14 |
US20070248479A1 (en) | 2007-10-25 |
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