EP3737486A1 - Dispositif et procédé de dégazage et de gazage de récipients - Google Patents

Dispositif et procédé de dégazage et de gazage de récipients

Info

Publication number
EP3737486A1
EP3737486A1 EP19700766.9A EP19700766A EP3737486A1 EP 3737486 A1 EP3737486 A1 EP 3737486A1 EP 19700766 A EP19700766 A EP 19700766A EP 3737486 A1 EP3737486 A1 EP 3737486A1
Authority
EP
European Patent Office
Prior art keywords
degassing
container
rotary
gassing
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19700766.9A
Other languages
German (de)
English (en)
Inventor
Herbert Trautwein
Tobias Freiberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Optima Consumer GmbH
Original Assignee
Optima Consumer GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Optima Consumer GmbH filed Critical Optima Consumer GmbH
Publication of EP3737486A1 publication Critical patent/EP3737486A1/fr
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0036—Flash degasification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0042—Degasification of liquids modifying the liquid flow
    • B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/10—Filter screens essentially made of metal
    • B01D39/12—Filter screens essentially made of metal of wire gauze; of knitted wire; of expanded metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B65B31/022—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas the chambers moving in an endless path
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
    • B65B31/02—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas
    • B65B31/025—Filling, closing, or filling and closing, containers or wrappers in chambers maintained under vacuum or superatmospheric pressure or containing a special atmosphere, e.g. of inert gas specially adapted for rigid or semi-rigid containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/28—Making use of vacuum or underpressure

Definitions

  • the invention relates to an apparatus and a method for degassing and gassing of containers, in particular of already filled, unclosed containers in one
  • the containers are first evacuated and then with a
  • EP 0 566 173 A1 discloses a system for degassing and gassing containers for gas exchange, comprising a container which transports the containers
  • Rotary with a variety of positions each having a support plate and by means of a bell by lifting the support plate are closed.
  • Each bell has a connection opening which terminates in a disc arranged above the rotary and rotating with the rotary disc.
  • Adjacent to the rotating disc a fixed disc is arranged with connections for a vacuum pump and a gas supply, wherein on the fixed disc slots are provided, via which the terminating at the rotating disc ports depending on the position of the rotary with the
  • Vacuum pump for a degassing or the gas supply for a gassing is communicated.
  • an apparatus for degassing and gasifying containers comprising at least one chamber into which an open container for degassing and / or gassing is receivable, wherein in the chamber a cover member for the is provided, wherein the cover member for degassing and / or gassing on a container edge of the received open container sealingly placed or sealingly insertable into an interior of the received open container, and wherein the cover member has at least one opening for a gas passage.
  • Milk powder it is possible that product particles are whirled up and sucked in with an air to be removed from the container or subsequently blown out with a filled gas again.
  • the cover prevents product particles from sticking to one another
  • the cover is adapted in shape to the shape of the container.
  • the container has, for example, a circular cross-section.
  • an annular cover element is provided with a likewise circular opening.
  • An opening dimension of the opening of the cover is in one embodiment almost equal to an opening dimension of the opening of the container, wherein the cover serves only to protect the container edge from contamination.
  • an opening dimension of the one opening is smaller than an opening dimension of the container.
  • the cover element has a plurality of openings distributed over a surface of the cover element. An entire opening dimension of the openings is smaller than a
  • a filter element is provided in one embodiment at the at least one opening of the cover element.
  • the filter element is designed, for example, as a grid or fabric, in particular as a metal mesh or fabric. If the cover rests on both the degassing and a subsequent gassing on the container, the filter element is cleaned by the gas supply during gassing, whereby contamination is subsequently prevented in the chamber recorded container by remaining product particles.
  • the filter element can be suitably selected by the person skilled in the art according to a product to be packaged, for example as a function of a particle size.
  • the filter element is preferably exchangeably received on the cover.
  • the chamber is designed depending on the application, for example, with a side access opening, a movable floor or the like.
  • the chamber for introducing the container on a bell wherein the bell is mounted displaceably in the vertical direction and can be raised and lowered to open and close the chamber.
  • the size of the bell defines a working space for degassing or gassing.
  • Working space with different container sizes is in an embodiment on the bell an insert attachable, through which the working space can be reduced for smaller container sizes.
  • the cover is mounted on the bell, preferably mounted adjustable in the vertical direction.
  • the cover is lowered with the bell on the container, wherein a height of the cover is preferably adjustable relative to a footprint for different container sizes.
  • the cover is additionally adjustably mounted relative to the bell to press the cover for a secure seal on the container edge.
  • a gas exchange takes place via a remaining between the bell and a footprint edge.
  • at the at least one chamber is / are for a gas exchange at least one, preferably two
  • connection openings which for a degassing and / or gassing with a
  • Vacuum pump and / or a gas supply is connectable / are.
  • the chamber is arranged stationary in one embodiment, wherein containers are introduced into the chamber and removed after gas exchange of the chamber.
  • the chamber is provided on a transport system, in particular a rotary with a rotation axis and a number N at distributed over a circumference of the rotary rotor positions. Gas exchange is possible in a continuous process. A raising and lowering of a bell associated with the chamber takes place for example via a slide track.
  • a method for degassing and gasifying a container wherein the container for degassing and / or gassing is openly introduced into a chamber, wherein for degassing and / or gassing a provided in the chamber cover member on a container edge of open container sealingly placed or sealingly inserted into an interior of the container, and wherein a gas passage via at least one provided on the cover opening.
  • the cover is preferably arranged such that when closing the chamber for a
  • Degassing and / or gassing is applied or used. However, it is also conceivable that the cover is opened or inserted immediately before or after closing the chamber.
  • Fig. 1 an apparatus for degassing and gassing of containers comprising a
  • FIG. 2 shows schematically a sequence during loading, closing, opening and unloading of a
  • FIG. 3 shows a sectional view of a closed position of the bell by means of a bell
  • FIG. 4 shows a sectional view of an axis of the rotary traveler according to FIG. 1 with a device for a media supply and media removal, comprising a rotating connection assembly and a stator disk;
  • Fig. 5 a detail of a first rotary feedthrough for a gas supply in a cut
  • Fig. 6 the stator of the media supply and removal of FIG. 4 in a plan view.
  • Fig. 1 shows schematically in plan view a device 1 for degassing and gassing of containers.
  • the device 1 is for example part of a packaging system for food and / or other products, in particular for milk powder, wherein in the device 1 a
  • Gas exchange takes place by evacuating or degassing containers which have been filled with a product but not sealed in a gas-tight manner and then filled or gassed with an inert gas, in particular N 2, or a mixed gas, for example N 2 and CO 2.
  • an inert gas in particular N 2
  • a mixed gas for example N 2 and CO 2.
  • the device 1 comprises a rotary 2 with a rotation axis A and a plurality of, in the illustrated embodiment 32, evenly distributed over the circumference positions 20.
  • the rotary 2 can be cyclically or continuously rotated about its axis of rotation A.
  • inlet and outlet wheels 10, 12 are provided, which run synchronously with the rotary 2.
  • other facilities for loading and unloading are conceivable.
  • a rotary 2 allows a continuous process execution, wherein distributed over the circumference of the rotary 2 different process steps are feasible.
  • six zones I to VI are provided.
  • a loading or unloading of the rotary 2 with containers takes place in a first zone I of the rotary 2 in a first zone I of the rotary 2 in a first zone I of the rotary 2 takes place a loading or unloading of the rotary 2 with containers.
  • the the rotor 2 supplied containers are transported by a load by rotation of the rotary 2 and go through more zones, in the illustrated embodiment five zones I to V.
  • a degassing takes place in the illustrated embodiment in several, namely four zones II, III, IV and V, wherein in the zones II, III, IV and V different pressure levels are applied, so that an evacuation of the container takes place gradually.
  • a gasification with an inert gas takes place.
  • the containers in the first zone I are spewed out and, for example, fed to a flanging system, not shown, and closed.
  • the length of the last zone V along the circumference and thus a residence time of Container in this zone V is chosen to be greater than the length of the preceding zones II to IV.
  • the step-like Control of the vacuum pressure causes a so-called powder bed expands briefly in a powdery product, whereby a vent at the bottom
  • a gassing is preferably carried out with a slight overpressure.
  • zones II to IV each have the same length extending over two positions.
  • a residence time in the zones depends on their length and on one
  • the zones are chosen such that at a constant rotational speed, the residence time in the zones II to IV is the same, the residence time in the zone V is in the embodiment about ten times the residence time in the zones II to IV and the Residence time in Zone VI is approximately four times the length of stay in Zones II to IV.
  • the residence times shown are merely examples.
  • Fig. 2 shows schematically a sequence when loading, closing, opening and unloading a position 20 of the rotary 2 according to FIG. 1.
  • a bell 22 is provided, which by means of a shift rod 24 which is guided in a backdrop, not shown , lowered to close the position 20 and after the gas exchange for unloading the position 20 is raised again.
  • the bell 22 forms with a bottom 21 of the position 20 a chamber for receiving the container.
  • For a gas exchange in the chamber at least one connection opening, not shown in FIG. 2, is provided at each position 20, via which an interior of the closed position of the bell 22 by means of a position 20
  • Vacuum pump for evacuation and / or gas supply for Begasen is connectable.
  • the bottom 21 has a peripheral edge on which the bell 22 is placed sealingly.
  • the bottom 21 serves as a transport plane for the container 3 during a rotation of the rotary 2.
  • containers 3 are fed to position 20 in a filled but unlocked condition. It has been found, however, that any loss of product by sucked-in particles can be reduced if an opening, via which an interior of the container is communicated with the environment, is as small as possible. It is therefore known to put a lid already on the container 3, but not yet to connect the lid gas-tight with the container 3. The gas-tight connection takes place only after the gas exchange.
  • a cover element 26 is provided on the bell 22, which is placed on the open container 3.
  • a plunger 25 is provided, wherein by means of the plunger 25 and an adjustment of a height of the
  • Covering element 26 is possible in an attached state for containers 3 of different sizes.
  • an insert (not shown) is provided in one embodiment in the interior of the bell 22. The cover member 26 will be described in more detail below in connection with FIG.
  • FIG. 3 shows schematically in a sectional view an embodiment of a position 20 of the rotary traveler according to FIG. 2 closed by means of a bell 22 with a container 3 received.
  • a cover member 26 is provided on the bell 22 in the illustrated embodiment, which is placed on the open container 3.
  • the illustrated cover member 26 has a plurality of circular openings 260, via which an interior of the container 3 with attached cover 26 with the environment in
  • the cover 26 includes two discs 261, 262, wherein between the discs 261, 262, a filter element is inserted.
  • a filter element is dispensed with and / or a disk which also functions as a filter element is provided.
  • a fabric in particular a metal fabric, provided with a mesh size of about 10pm to about 100pm.
  • a mesh size and / or a material of the fabric is selectable by the skilled person depending on the product, for example, depending on a powder class.
  • the filter element allows degassing but reduces product leakage. In a degassing possibly on the filter element accumulating particles are thereby replaced by the gas supply when gassing again.
  • a cleaning device for the filter element is additionally provided in the region of the first zone I according to FIG. 1.
  • replacement of the filter element is possible with a product change.
  • each position has at least one connection opening for connection to a vacuum pump and / or a gas supply. In that shown in Fig. 3
  • an intermediate bottom 23 is provided with through holes, on which the container 3 stands up, so that a container bottom 30 is spaced from the bottom 21 with the connection openings.
  • a first connection opening 27 is provided, by means of which the position 20 can be communicated with a gas supply.
  • a first line 4 is connected to the connection opening 27, which is moved with the position 20 about a central axis of the rotary 2.
  • a second connection opening 28 is provided on the bottom 21, by means of which the position 20 can be communicated with a vacuum pump.
  • a second line 5 is connected to the connection opening 28, which is also moved with the position 20 about the central axis of the rotary 2.
  • the lines 4, 5 preferably extend at least substantially radially relative to a central axis of the rotary traveler 2 according to FIG. 1.
  • FIG. 4 shows in a sectional view a central axis A of the rotary rotor 2 according to FIG. 1 with a first rotary lead-through 6 for a gas supply and a second rotary lead-through 7 for a degassing.
  • the first rotary leadthrough 6 is designed as a radial rotary leadthrough 6 and comprises a stator 60 and a rotor rotating with the rotary 2 surrounding the stator 60
  • Rotation body 62 The rotation body 62 is, for example, as shown with a
  • Turntable 29 of the rotary connected for example by means of screw.
  • the rotary body 62 rotates about the stator 60.
  • the rotary body 62 is supported on the stator 60 by means of two rolling bearings 64.
  • Embodiments sliding bearings are provided.
  • channels 620 are provided which radially pass through the rotary body 62 and the first connecting piece 66 for connection to the first
  • connection openings 27 of the positions 20 according to FIGS. 1 to 3 have.
  • the connection is made via suitable first lines 4, in the form of hose or pipe pieces or the like.
  • 32 first connecting pieces 66 are provided, of which, however, only two first connecting pieces 66 with adjoining channels 620 are visible in the sectional view according to FIG. 4.
  • the stator 60 has a connection opening 600 for connection to a gas supply (not shown) and a channel 601 fluidically connected to the connection opening 600.
  • the channel 601 has a first axially extending portion and a second radially extending portion.
  • the radially extending portion is disposed at a height with the channels 620 of the rotary body 62 so that the channel 601 of the stator 60 is connected to at least one of the channels 620 of the rotary body 62 for gas passage.
  • Fig. 5 shows schematically a section of an embodiment of the rotary feedthrough 6 according to FIG. 4 comprising the stator 60 with the channel 601 and the rotary body 62 with a plurality of radially to the central axis A extending channels 620 in a cut
  • the channels 620 of the rotary body 62 terminate on the stator 60.
  • the illustrated stator 60 has a channel 601 with a sector-shaped recess which adjoins the central connection opening 600 and with a circumference along a circular arc extending mouth 602 on.
  • a gas used for gassing is supplied via the central connection opening 600 to the channels 620, which are located in the region of the orifice 602.
  • the positions 20 are successively communicated with the gas supply in dependence on a rotational angle position.
  • the length of the mouth is suitable depending on the application for a desired duration of the gas supply by the expert selectable.
  • stator 60 For degassing, it would be conceivable to provide one or more further channels on the stator 60 which are connectable to one or more vacuum pumps and which are also connected to one or more of the channels 620 of the rotary body 62 for gas passage.
  • Rotary feedthrough 7 is provided.
  • the second rotary feedthrough 7 is designed as an axial rotary leadthrough 7 and comprises a rotary disk 70 rotating with the rotary 2 and a stator disk 72.
  • the rotary disk 70 has the rotary disk 70 axially passing through channels 700, which in openings at an upper side adjacent to the stator disk 72 701 lead.
  • ports 80 are provided for unillustrated vacuum pumps. In the illustrated embodiment, ports 80 are provided for four vacuum pumps.
  • the stator disk 72 is arranged on a mounting plate 82.
  • a pin 83 is provided, wherein the rotary disk 70 is supported on the pin 83 by means of a suitable roller bearing 84.
  • a rolling bearing 85 is also provided between the stator disk 72 and the rotary disk 70.
  • the stator disk 72 and the rotary disk 70 have coaxially arranged annular projections, wherein the stator disk 72 and the rotary disk 70 in the region of the annular projections touch or between the stator disk 72 and the rotary disk 70 remains a gap.
  • stationary sliding sleeves 86, 87 are provided on both sides of the projections in the radial direction.
  • the sliding sleeves 86, 87 serve both to guide the rotary disk 70 and a seal of the axial rotary feedthrough with respect to the environment.
  • connecting pieces 67 for the lines 5 (see FIG. 3) connected to the second connection openings 28 are provided on the rotary body 62.
  • the connecting piece 67 are associated with channels with axially extending portions 670 in the rotary body 62, which are aligned with the channels 700 of the rotary disk 70.
  • Rotation disk 70 is also provided with a rotating body 62 and the rotary disk 70 rotating sleeve 74, which has the sleeve 74 in the axial direction passing through channels 740.
  • the positions 20 are each connectable to a connected to the terminals 80 vacuum pump by means of the axial rotary feedthrough 7.
  • FIG. 6 shows the stator disk 72 in a plan view.
  • the stator disk 72 comprises an upper side 720 facing the rotation disk 70 according to FIG. 4, on which in the exemplary embodiment shown four recesses 721, 722, 723, 724 are provided.
  • an opening 725 is provided for a connection 80 according to FIG. 4, via which the recesses 721, 722, 723, 724 are each communicated with a vacuum pump.
  • the openings 701 of the rotary disk 70 reach the area of one of the recesses 721, 722, 723, 724, as shown on the right in FIG. 4, so that an associated connecting piece 67 with one at the recess 724 connected vacuum pump is communicated.
  • the opening 701 of this position is closed by the upper side 720 of the disk 72.
  • the illustrated embodiment are four zones (see Fig. 1) realized along a circumference of the rotary rotor 2 by the four recesses 721, 722, 723, 724, each associated with a vacuum pump.
  • Vacuum pump can be designed to achieve a vacuum pressure to be achieved in the zone.
  • Rotary body 62 and the sleeve 74 are made as separate components, is advantageous both in terms of manufacturing and in terms of space utilization. However, it will be apparent to those skilled in the art that in a modified embodiment, the rotary body 62, the sleeve 74, and the rotary disc 70 may also be configured as a common component and / or a sleeve 74 may be dispensed with.
  • the axial rotary feedthrough 7 is disposed below the radial rotary union 6 and below a turntable 29 of the rotary, wherein vacuum pumps for the axial rotary feedthrough 7 are connected from below and a gas supply to the radial rotary union 6 from above.
  • the axial rotary feedthrough comprising the rotary disk 70 and the stator disk 72 is removable for cleaning.
  • the rotary disk 70 and the sleeve 74 are complementary to each other
  • exemplary embodiments illustrated in the figures are merely exemplary and individual parts of the illustrated devices can be combined with other devices to create further embodiments.
  • position shown in Fig. 2 is not part of a rotary, but provided stationary and / or on a linear transport system.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Vacuum Packaging (AREA)

Abstract

L'invention concerne un dispositif de dégazage et de gazage de récipients (3), contenant au moins une chambre, dans laquelle un récipient ouvert (3) peut être reçu pour un dégazage et/ou un gazage. Dans la chambre, un élément couvercle (26) est prévu pour le récipient ouvert reçu (3), ledit élément couvercle (26) peut être placé de façon étanche pour un dégazage et/ou un gazage sur un bord du récipient (31) d'un récipient ouvert reçu (3) ou peut être applicable de façon étanche dans un espace intérieur d'un récipient ouvert reçu (3), et l'élément couvercle (26) comporte au moins une ouverture (260) pour le passage de gaz. L'invention concerne par ailleurs un procédé de dégazage et de gazage.
EP19700766.9A 2018-01-10 2019-01-07 Dispositif et procédé de dégazage et de gazage de récipients Pending EP3737486A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018200291.6A DE102018200291A1 (de) 2018-01-10 2018-01-10 Vorrichtung und Verfahren zum Entgasen und Begasen von Behältern
PCT/EP2019/050224 WO2019137867A1 (fr) 2018-01-10 2019-01-07 Dispositif et procédé de dégazage et de gazage de récipients

Publications (1)

Publication Number Publication Date
EP3737486A1 true EP3737486A1 (fr) 2020-11-18

Family

ID=65033563

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19700766.9A Pending EP3737486A1 (fr) 2018-01-10 2019-01-07 Dispositif et procédé de dégazage et de gazage de récipients

Country Status (6)

Country Link
US (1) US11597550B2 (fr)
EP (1) EP3737486A1 (fr)
CN (1) CN111787989B (fr)
BR (1) BR112020013623A2 (fr)
DE (1) DE102018200291A1 (fr)
WO (1) WO2019137867A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113044287B (zh) * 2021-03-10 2023-03-31 江苏金荣机械有限公司 一种旋转式真空灌氮机
CN113955192B (zh) * 2021-12-20 2022-04-05 常州久煜自动化设备有限公司 一种高速抽真空充保护气装置
CN113955193B (zh) * 2021-12-20 2022-04-05 常州久煜自动化设备有限公司 一种高速抽真空充保护气封罐生产线
DE102022211879A1 (de) 2022-11-09 2024-05-16 Optima consumer GmbH Entgasen, Begasen und Verschließen von Behältern

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2170469A (en) 1938-06-09 1939-08-22 Clarence F Carter Method of and apparatus for filling containers with powder or other comminuted material
US2292887A (en) * 1940-02-01 1942-08-11 Beech Nut Packing Co Apparatus for vacuum sealing jars and other containers
US2578815A (en) * 1946-12-20 1951-12-18 Continental Can Co Apparatus for vacuumizing, gassing, and closing containers
US3220153A (en) * 1961-07-10 1965-11-30 Continental Can Co Container vacuum capping method
GB1005947A (en) 1963-07-24 1965-09-29 Metal Box Co Ltd Improvements in or relating to apparatus for closing containers
US3354608A (en) 1963-11-14 1967-11-28 Anchor Hocking Glass Corp Purging mechanism
US3605826A (en) 1970-05-01 1971-09-20 Carter Eng Co Method and apparatus for filling containers
US4221102A (en) 1979-07-02 1980-09-09 Ludwig Schwerdtel Gmbh Apparatus for sealing cans with lids under vacuum
US4905454A (en) * 1985-02-26 1990-03-06 Sanfilippo John E Method for providing containers with a controlled environment
FR2668118B1 (fr) * 1990-10-17 1993-12-24 Valois Procede de conditionnement de produits liquides a pateux en distributeur sous vide, dispositif pour le mettre en óoeuvre et distributeurs ainsi obtenus.
US5337794A (en) * 1992-02-20 1994-08-16 Mita Industrial Co., Ltd. Powder filling apparatus and a method for filling a container with powder
IT1257493B (it) 1992-04-13 1996-01-25 Procedimento e impianto di deaerazione, gasatura, chiusura, di barattoli metallici contenenti prodotti alimentari
FR2802176B1 (fr) * 1999-12-09 2002-01-18 Ducros Procede et dispositif pour conditionner un solide, notamment alimentaire, dans un recipient tel que flacon
KR102182891B1 (ko) 2013-11-29 2020-11-25 달톤 가부시키가이샤 탈기 장치 및 탈기 방법
EP3686114A1 (fr) 2017-12-08 2020-07-29 Plf International Limited Extraction sous vide et scellement de récipients

Also Published As

Publication number Publication date
CN111787989B (zh) 2023-04-04
BR112020013623A2 (pt) 2020-12-01
DE102018200291A1 (de) 2019-07-11
WO2019137867A1 (fr) 2019-07-18
US11597550B2 (en) 2023-03-07
US20200339292A1 (en) 2020-10-29
CN111787989A (zh) 2020-10-16

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