EP0080468A1 - Machine for bulk filling of flexible plastic bags with liquid - Google Patents
Machine for bulk filling of flexible plastic bags with liquidInfo
- Publication number
- EP0080468A1 EP0080468A1 EP82901578A EP82901578A EP0080468A1 EP 0080468 A1 EP0080468 A1 EP 0080468A1 EP 82901578 A EP82901578 A EP 82901578A EP 82901578 A EP82901578 A EP 82901578A EP 0080468 A1 EP0080468 A1 EP 0080468A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- machine
- bag
- walls
- punch
- liquid
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
-
- 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
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
- B65B31/08—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied the nozzle being adapted to pierce the container or wrapper
Definitions
- the bags comprise two walls or webs of plastic material including laminated material welded or otherwise fastened together around the periphery to form a completely closed bag in an unfilled condition.
- the present invention provides a machine for filling flexible bags, each consisting of two webs or walls of sealable material without exposing the interior of the bag to atmosphere prior to filling.
- the invention provides a machine for filling of flexible plastic bags composed of two walls welded together around the periphery said machine comprising means for compressing portion of the two walls together, a punch for punching aligned holes in the two walls, means for separating the two walls in the vicinity of the holes to expose one or more ports or apertures in the punch through which liquid can be admitted to the interior of the bag, and means for sealing the walls together in the vicinity of the holes to close the bag after it has been filled with liquid.
- Fig. 1 is a side elevation with the bag in the ini ⁇ tial position
- Fig. 2 is a side elevation showing the punch in posi ⁇ tion after punching the holes in the bag
- Fig. 3 is a side elevation showing the filling posi ⁇ tion
- Fig. 4 is a side elevation showing the sealing posi ⁇ tion
- Fig. 5 is a sectional view of a sleeve valve fitted into the hollow punch to be used when filling bags having a pre-fitted valve;
- Fig. 6 is a sectional view showing the sleeve valve in the filling position
- Fig. 7 is a sectional elevation of one of the strip ⁇ ping sleeves.
- Fig. 8 is an end view of the stripping sleeve of Fig. 7.
- the machine shown in the drawings is represented more or less diagrammatically with all extraneous components omitted. It consists essentially of two face plates 5 and 6 mounted one above the other so that they can be moved between a spaced apart position as shown in Fig. 1 and a clamping position as shown in Fig. 2.
- a rectangular bag consisting of two virgin walls 1 and 2 of plastic material welded together on all four sides is presented to the machine and located in the correct posi ⁇ tion by sensors 3 and 4 as seen in Fig. 1. It is prefer ⁇ able but not essential that the bag be presented to the sensors 3 and 4 so that one corner thereof is located between the face plates 5 and 6. The sensors actuate the
- Stripping sleeves 7 and 8 which are slidably and rotatably mounted in the face plates are then brought together with a radial as well as an axial motion so that angled pins 9 (see Figs. 1 and 8) fitted to the ends of the sleeves penetrate at least partially into the respective adjacent bag walls as seen in Fig. 2.
- a hollow punch 11 moves axially through the sleeves to punch a hole in the bag the slugs 14 cut from both walls of material falling through the bottom sleeve as seen in Fig. 2.
- the punch seals against 0-rings 12 provided on the inner face of sleeve 7 and O-ring 13 provided on the inner face of sleeves.
- Annular recesses 16 and 17 surrounding the sleeves 7 and 8 are connected to a suction line ⁇ not shown) and the face plates 5 and 6 moved apart as shown in Fig. 3.
- the sleeves 7 and 8 move in unison with the respective face plates whilst the punch remains stationary.
- the material of the walls adjacent the hole are held by the pins 9 at the ends of the sleeves and the suction applied through annular recesses 16 and 7 -to move the walls apart.
- the movement of the walls apart exposes ports 15 (see Fig. 3) to the space between the walls. Liquid under pressure is then fed through the hollow punch and ports 15 to the interior of the bag.
- the walls of the bag are heat sealed together either by mating circular heat sealers 18 and 19 immediately adja ⁇ cent the outer periphery of and surrounding the annular recesses 16 and 17.
- mating straight line sealers ' 20, 21 located near one edge of the face plates 5 and 6 facing the unrestricted portion of the bag may be used to make a seal.
- the portion of the bag in which the punched holes are located are external to the seal and may be cut away if so desired.
- the bags may be formed in strip form and fed to the machine one after the other, each bag being removed from the strip after filling by tearing along a line of perforations located between adjacent bags in the strip.
- a sleeve valve 22 (as shown in Figs. 5 and 6) with ports 23 and external groove 24 rotatably mounted with the hollow punch 11.
- a sleeve valve 23 (as shown in Figs. 5 and 6) with ports 23 and external groove 24 rotatably mounted with the hollow punch 11.
- the bag can be evacuated by the connection of a vacuum source V to the punch 11 via groove 24 in the sleeve valve 23 which com ⁇ municates with ports 15 in the punch 11.
- the sleeve valve 23 is then partially rotated sealing off the vacuum source V to groove 24 and connecting the ports 23 in the valve to ports 15 in punch 11 permitting the liquid to fill the evacuated bag as described above.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Basic Packing Technique (AREA)
- Vacuum Packaging (AREA)
Abstract
Machine de remplissage de sacs en plastique avec du liquide, ces sacs se presentant sous la forme de deux feuilles plates (1 et 2) scellees autour de leur peripherie pour former des sacs completement fermes La machine comprend un decoupoir (11) monte de maniere coulissante dans des manchons (7 et 8) qui sont montees en coulissement dans des plateaux (5 et 6). Le sac est d'abord comprime entre les plateaux (5 et 6) et un trou est decoupe dans le sac au moyen du decoupoir (11). Les feuilles (1 et 2) sont ensuite separees par un vide applique au travers d'evidements annulaires (16 et 17) amenages dans les plateaux (5 et 6). On fait ensuite entrer un liquide sous pression dans le sac au travers d'orifices (15) et les plateaux (5 et 6) sont rapproches l'un de l'autre, forcant ainsi le liquide d'entrer dans le reste du sac. Les feuilles (1 et 2) sont ensuite scellees autour du trou ou a cote du trou par des elements circulaires de scellement thermique (18 et 19) ou par des elements de scellement en ligne droite (20 et 21) Le decoupoir (11) peut etre pourvu de moyens permettant d'evacuer l'air du sac avant son remplissageMachine for filling plastic bags with liquid, these bags being in the form of two flat sheets (1 and 2) sealed around their periphery to form completely closed bags The machine includes a cutter (11) mounted in a sliding manner in sleeves (7 and 8) which are slidably mounted in trays (5 and 6). The bag is first compressed between the trays (5 and 6) and a hole is cut in the bag by means of the cutter (11). The sheets (1 and 2) are then separated by a vacuum applied through annular recesses (16 and 17) brought into the trays (5 and 6). A liquid under pressure is then introduced into the bag through orifices (15) and the trays (5 and 6) are brought together, thus forcing the liquid to enter the rest of the bag. The sheets (1 and 2) are then sealed around the hole or next to the hole by circular heat sealing elements (18 and 19) or by straight line sealing elements (20 and 21) The cutter (11) can be provided with means making it possible to evacuate the air from the bag before its filling
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPE918881 | 1981-06-04 | ||
AU9188/81 | 1981-06-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0080468A1 true EP0080468A1 (en) | 1983-06-08 |
Family
ID=3769092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82901578A Withdrawn EP0080468A1 (en) | 1981-06-04 | 1982-06-01 | Machine for bulk filling of flexible plastic bags with liquid |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0080468A1 (en) |
ES (1) | ES8306061A1 (en) |
GR (1) | GR76442B (en) |
IT (1) | IT1151274B (en) |
NZ (1) | NZ200842A (en) |
PT (1) | PT74999B (en) |
WO (1) | WO1982004237A1 (en) |
ZA (1) | ZA823888B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NZ578408A (en) | 2007-01-24 | 2011-10-28 | Schur Internat A S | Medium-filled packaging apparatus that provides a package with unsealed longitudinal area |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2649234A (en) * | 1949-08-18 | 1953-08-18 | Wilts United Dairies Ltd | Airtight package |
US2888788A (en) * | 1957-03-14 | 1959-06-02 | Gebhardt Otto | Apparatus for and method of evacuating sealed packages |
GB1129600A (en) * | 1966-08-31 | 1968-10-09 | Carnation Co | Method and apparatus for filling flexible containers |
-
1982
- 1982-06-01 WO PCT/AU1982/000089 patent/WO1982004237A1/en unknown
- 1982-06-01 EP EP82901578A patent/EP0080468A1/en not_active Withdrawn
- 1982-06-03 ES ES82512814A patent/ES8306061A1/en not_active Expired
- 1982-06-03 PT PT74999A patent/PT74999B/en unknown
- 1982-06-03 NZ NZ200842A patent/NZ200842A/en unknown
- 1982-06-03 ZA ZA823888A patent/ZA823888B/en unknown
- 1982-06-04 IT IT8221711A patent/IT1151274B/en active
- 1982-06-04 GR GR68350A patent/GR76442B/el unknown
Non-Patent Citations (1)
Title |
---|
See references of WO8204237A1 * |
Also Published As
Publication number | Publication date |
---|---|
NZ200842A (en) | 1985-05-31 |
WO1982004237A1 (en) | 1982-12-09 |
PT74999B (en) | 1984-01-04 |
IT1151274B (en) | 1986-12-17 |
ZA823888B (en) | 1984-01-25 |
ES512814A0 (en) | 1983-05-01 |
ES8306061A1 (en) | 1983-05-01 |
IT8221711A0 (en) | 1982-06-04 |
PT74999A (en) | 1982-07-01 |
GR76442B (en) | 1984-08-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): DE FR GB |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19830803 |