EP1274625B1 - Abwickelvorrichtung für schlauchfolie mit schneide- und schweissmitteln - Google Patents

Abwickelvorrichtung für schlauchfolie mit schneide- und schweissmitteln Download PDF

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Publication number
EP1274625B1
EP1274625B1 EP01913948A EP01913948A EP1274625B1 EP 1274625 B1 EP1274625 B1 EP 1274625B1 EP 01913948 A EP01913948 A EP 01913948A EP 01913948 A EP01913948 A EP 01913948A EP 1274625 B1 EP1274625 B1 EP 1274625B1
Authority
EP
European Patent Office
Prior art keywords
sheath
head
paying out
welding
out device
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.)
Expired - Lifetime
Application number
EP01913948A
Other languages
English (en)
French (fr)
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EP1274625A1 (de
Inventor
Alexandre Paviot
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.)
Papiers A Paviot
Original Assignee
Papiers A Paviot
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
Priority claimed from FR0002908A external-priority patent/FR2806058B1/fr
Application filed by Papiers A Paviot filed Critical Papiers A Paviot
Publication of EP1274625A1 publication Critical patent/EP1274625A1/de
Application granted granted Critical
Publication of EP1274625B1 publication Critical patent/EP1274625B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/13—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the preformed tubular webs being supplied in a flattened state

Definitions

  • the present invention relates to the field of packaging of products on their places of sale and, in particular, food products sold at retail.
  • the invention relates, more particularly, to the field of devices used to store the paper or film used for packaging and to provide, at the time of ask, the paper to the shopkeeper.
  • the invention also relates to the field of machines used to ensure a substantially watertight closure of the packaging realized.
  • the patent FR 2 775 252 has proposed to implement a sheath consisting, in part at least, made of heat-sealable material.
  • This sheath, packaged in rolls, is intended for cut at the place of use to a length slightly greater than that of the product to be packaged.
  • One end of the sheath is then closed by heat sealing, to make a bag.
  • the other end of the sheath is heat-sealed, so as to obtain a substantially sealed package.
  • Such a packaging sheath is particularly useful for the packaging of food products, such as fish or meat, when from the sale of these retail.
  • WO 94 227 23 describes a packaging machine designed to produce bags at high speed from a spool heat-sealable packaging.
  • This machine comprises a body provided with means of support of a packaging sheath coil.
  • This machine also has a head of the sheath through a window and guide means of the sheath between the coil and the output head.
  • the output head comprises welding and cut of the sheath, mounted on a movable moving gears comes by a motor organ.
  • the actuating means of the welding and cutting means described in this patent are relatively complex and expensive and do not allow make sure, a perfectly waterproof packaging.
  • the present invention therefore aims to remedy the disadvantages stated above by proposing a simple and inexpensive allow, at the same time, to make available to the user a sheath heat-sealable packaging, as well as the means necessary for the production of a waterproof packaging from this sheath.
  • the invention aims to propose means making it easy to produce the final closure of the packaging obtained by means of the heat-sealable sheath.
  • the welding means are arranged in downstream of the cutting means with respect to the unwinding direction of the sheath.
  • the output head comprises a second window, called welding, adapted to allow, from outside the head, an introduction of at least part of a package intended to be welded by the welding means.
  • the output head comprises a non-return flap placed between the cutting means and the welding means and intended to prevent access to the cutting means from the outside of the head by the exit window.
  • the invention also aims to propose a reel that can be used according to different positions, depending on where it needs to be disposed.
  • the output head is removable and the body has means for fixing the head adapted to allow mounting of the head in at least two orientations distinct.
  • Fig. 1 is a longitudinal section of a preferred embodiment of a machine according to the invention.
  • Fig. 2 is an exploded perspective view of the unrolling machine according to FIG. 1 in another position of use.
  • Fig. 3 is a view similar to FIG. 1 , showing another phase of use of the unroller according to the invention.
  • Fig. 4 is a longitudinal section illustrating another method of mounting the unwinder shown in FIG. 1 .
  • FIGS. 5 and 6 are views similar to FIGS. 1 and 3 showing phases of use of another embodiment of the unroller according to the invention.
  • an unwinder according to the invention, generally designated by reference 1, is designed to receive at least one coil 2 of heat-sealable packaging sheath, as described in patent FR 2 775 252.
  • the unroller 1 comprises a body 3 provided, in particular, means 4 for supporting at least one coil 2 of packaging sheath.
  • the body 3 is, moreover, equipped with an outlet head 5 of the sheath and means 6 for guiding the sheath between the coil 2 and the outlet head 5 .
  • the support means 4 of the coil 2 are formed by an axis 8 intended to pass through the center of the coil and come to rest in two cradles 9 arranged in the body 3 of the unroller 1 .
  • the support means 4 could be made in another way, such as, for example, in the form of two rollers on which the coil 2 would rest resting on its outer surface.
  • the output head 5 comprises at least one window 10 for the output of the sheath 11 from the coil 2 , as will appear thereafter.
  • the head 5 also comprises means 15 for cutting the sheath 11 , as well as means 16 for welding the sheath 11.
  • the cutting means 15 are, preferably but not exclusively, placed upstream of the welding means 16 with respect to the direction of unwinding of the sheath 11, as indicated by the arrow F 1 .
  • the cutting means 15 comprise a movable knife 20 carried by an arm 21 oscillating about a horizontal axis 21 1 .
  • the knife 20 of a length greater than or equal to the width of the packaging sheath 11 , is intended to cooperate with a fixed cutting groove 22 of length substantially equal to that of the knife 20 .
  • the knife 20 and the groove 22 form a kind of jaw, capable of being opened or closed by the movements of the oscillating arm 21 which thus carries part of the cutting means 15.
  • the arm 21 is slaved in opening by elastic return means, so as to be held in the open position A , as illustrated in FIG. 1.
  • the welding means 16 comprise a heating bar 25 mounted integral with the oscillating arm 21.
  • the heating bar 25 is intended to cooperate with a counter bar 26 for pressing an element or part of the sheath 11 to be welded.
  • the heating bar 25 and the counter bar 26 have a length greater than or equal to the width of the packaging sheath 11.
  • the heating bar 25 is movable, while the counter bar 26 is fixed.
  • the oscillating arm 21 carries part of the welding means 16. Of course, it could be envisaged to invert the positions of these two elements.
  • the knife 20 and the groove 22, as well as the bar 25 and the counter bar 26 are arranged substantially transversely to the sheath 11 and, more particularly, to its unwinding direction F 1 .
  • the unwinder 5 comprises means 6 for guiding the sheath 11 between the spool 2 and the outlet head 5 , adapted to, preferably but not exclusively, bring the sheath 11 downstream of the cutting means 15 , by in relation to the unwinding direction F 1 and directing the sheath 11 towards the exit window 10.
  • the guiding means 6 comprise, first of all, a guide roller 30 and a pressure roller 31 between which the packaging sheath 11 is intended to pass as shown in phantom in FIGS. 1 and 3 .
  • the guiding means 6 further comprise driving means 32 of the guide roller 30, so as to ensure that the sheath 11 advances or unwinds by rotating the roller 30.
  • the drive means are constituted by a handle 32 secured to the roll 30 and accessible from outside the body 3 of the unroller 1 .
  • the drive means 32 could be made in a form other than a handle, such as, for example but not exclusively, in the form of a motor controlled so as to operate automatically or be controlled by a switch accessible from outside the body 3 .
  • the means 32 could provide a rotational drive of the only pressure roller 31 or two guide rollers 30 and presser 31 simultaneously.
  • the guiding means 6 also comprise at least one guiding plate 33 which extends upstream and downstream with respect to the unfolding direction F 1 of the guiding rollers 30 and pressing roller 31 .
  • This guide plate 33 is adapted to guide the sheath before and after the rollers 30 and 31 , as well as during its initial introduction between the rollers 30 and 31 .
  • the guide plate 33 is curved and forms an angle just before the guide roller 30.
  • the plate 33 thus defines, with the guide roller 30, an introduction zone 34 which forms a kind of funnel in which the end of the sheath 11 is introduced during the initial setting up of the coil 2.
  • the guide plate 33 extends between the guide rollers 30 and presser 31. In order that the rollers 30 and 31 ensure their guiding function and drive the plate 33 defines, then at least one zone 35 in which the pressure roller 31 and guide roller 30 can simultaneously guide and press the sheath 11 .
  • the plate 33 defines two lateral zones 35 for guiding the sheath 11 between the rollers 30 and 31 .
  • the guide roller 30 then has a central recess 36 for the passage of the plate 33 and, on either side of this recess 36, a shoulder 37 intended to cooperate with the pressure roller 31 to provide guidance and training sheath 11.
  • the unroller according to the invention thus constituted is used as follows.
  • the spool 2 is put in place, then the sheath 11 is passed between the rollers 30 and 31 by a user or operator. To do this, the user just applies the sheath 11 against the plate 33 by advancing to the roller 30.
  • the funnel shape of the introduction zone 34 then facilitates the management of the sheath 11 by the guide rollers 30 and presser 31.
  • the unroller 1 cuts the sheath 11 with the knife 20 and, on the other hand, seals with the heating element 16 the end of the cut sheath element.
  • the heating element 16 is maintained at a temperature corresponding to the melting temperature of at least one constituent of the sheath, by a control system not falling within the scope of the present invention.
  • the operator thus made from the sheath 11 and by a single operation of the oscillating arm 21 , a kind of bag open on one side, by which it is possible to introduce a product to be packaged.
  • the operator can reintroduce the unsealed end of the bag into the window 10, so as to place this open end at the welding means 16. Then, by a new action on the handle 40 in the direction of the arrow F 2 , the user welds the fourth side of the bag and conditions, in a substantially sealed manner, the product placed inside the package obtained from the sheath 11 .
  • the welding means 16 downstream of the cutting means 15 with respect to the unwinding direction F 1 of the sheath, it is possible to weld a portion of the packaging introduced from the outside of the the head 5 .
  • the output head 5 comprises a second window 41 , said welding, disposed above the exit window 10.
  • This welding window 41 is adapted to allow an introduction, from the outside of the head, of the part of the packaging intended to be closed by the welding means 16.
  • Figs. 5 and 6 illustrate a second alternative embodiment of the unroller according to the invention which differs from the embodiment variant described in relation with FIGS. 1 to 4 in that the cutting head 5 comprises a non-return flap 55 placed between the cutting means 15 and the welding means 16 .
  • One end of this flap 55 is preferably attached to the arm 21 between the knife 20 and the welding bar 25, while the other end extends to the window 10, as shown in FIG. 5.
  • the flap 55 thus extends by its own weight at the lower part of the exit window 10.
  • the flap 55 is made of a flexible material which has a melting temperature higher than the welding temperature of the sheath 11 , so as not to be altered by the welding means 15.
  • the flap 55 provides a non-return function to prevent access to the cutting means 15 from the outside of the head 5 by the exit window 10 . Indeed, given the position of the non-return flap 55, the sheath 11, from the coil 2 , out of the window 10 passing below the flap 55 which then contributes to the guiding of the sheath 11 until at the window 10.
  • the flap 55 limits this introduction, so that the end of the sheath can be reintroduced into the head 5 only up to the level of the means of welding 16 . In this way, the flap 55 prevents the reintroduced part of the sheath from being cut by the cutting means 15 and thus prevents the formation of waste which could cause a jamming of the groove 22.
  • non-return flap 55 is made of a material that does not affect the efficiency of the welding means 16 , so that the sheath coming from the spool 2 is perfectly welded when it is pressed. between the heating bar 25 and the counter bar 26 with the interposition of the flap 55 between the sheath 11 and the bar 25.
  • the output head 5 is removable and the body 3 has fastening means of the head 5 adapted to allow mounting of the head in at least two distinct orientations.
  • the head 5 can be fitted on the body 3 , so that the coil 2 is placed below the head, as shown in FIG. 1 or, above the head 5 , as shown in FIG. 4 .
  • the fixing means of the head 5 on the body 3 may be, for example, constituted by screws, not shown, intended to pass through complementary bores 45 and 46 arranged respectively on the body 3 and the head 5 .
  • the unroller 1 can be fixed on a wall bracket S , such as a wall or the lower part of a bench.
  • the body 3 comprises means, not shown, for fixing or hanging on the support.
  • the unroller 1 When the unroller 1 is in the configuration shown in FIG. 4, the coil being placed above the head 5, it is possible to place the unroller on a bench or a table P , the body 3 then being provided with feet 47.
  • the guiding means 6 comprise, downstream of the guide roller 30, in the unwinding direction F 1 of the sheath 11, a tunnel 50 guiding the sheath inside the head 5 , upstream of the cutting means 15 or welding 16 .
  • the tunnel 50 has at its end facing the rollers 30, 31 an inlet zone 51 flared, as shown more particularly in FIG. 1.
  • the tunnel 50 advantageously defines, whatever the orientation of the body 3, a bearing and guiding surface for the sheath 11 and guides the sheath so as to direct it towards the outlet window 10 of the exit head 5 .
  • the guide means 6 When the head 5 is removable, the guide means 6 , and in particular the tunnel 50, are integral with the body 3 .
  • the tunnel 50 is adapted to then extend inside the outlet head 5 as close as possible to the cutting means 15.
  • the guide means and more particularly the plate 33 and the rollers 30 and 31, are adapted to make the sheath 11 take an angle path, so as to reduce, as far as possible, the Overall dimensions of the unroller 1.
  • the path of the sheath could also be rectilinear.
  • the output head 5 is removable.
  • the output head is integral with the body 3 without being removable.
  • the guide tunnel 50 is implemented, preferably when the head is removable, but it could be envisaged to use such a guide tunnel for a unrolling machine according to the invention having no output head removable.
  • the means 40 for simultaneous operation of the cutting means 15 and welding 16 are formed by a handle and an oscillating arm.
  • these operating means 40 could be made in another way and could for example be motorized.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Making Paper Articles (AREA)
  • Packaging Of Special Articles (AREA)

Claims (14)

  1. Abwickelvorrichtung für eine Spule einer heißsiegelfähigen Verpackungshülle (11), umfassend einen Körper (3), der insbesondere versehen ist mit:
    Mitteln (4) zur Unterstützung mindestens einer Spule (2) einer Verpackungshülle (11),
    einem Austrittskopf (5) für die Hülle, umfassend:
    mindestens ein Austrittsfenster (10) für die Hülle,
    Schneidmittel (15) zum Schneiden der Hülle,
    Schweißmittel (16) zum Verschweißen der Hülle,
    Mitteln (6) zur Führung der Hülle zwischen der Spule (2) und dem Austrittskopf (5),
    dadurch gekennzeichnet, dass der Austrittskopf (5) Mittel (40) zur gleichzeitigen Betätigung der Schneidmittel (15) und der Schweißmittel (16) umfasst, die von einem Griff und einem Schwingarm (21) gebildet sind, der einen Teil der Schneidemittel (15) und der Schweißmittel (16) trägt.
  2. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Schweißmittel (16) stromabwärts zu den Schneidemitteln (15) in Bezug auf die Abwickelrichtung F1 der Hülle angeordnet sind, um das Verschweißen von zumindest einem Teil einer von außerhalb des Kopfes (5) eingeführten Verpackung zu ermöglichen.
  3. Abwickelvorrichtung nach Anspruch 2, dadurch gekennzeichnet dass der Austrittskopf (5) ein zweites Fenster, genannt Schweißfenster (41), umfasst, das dazu bestimmt ist, von außerhalb des Kopfes (5) eine Einführung von zumindest einem Teil einer Verpackung zu gestatten, die dazu vorgesehen ist, durch die Schweißmittel (16) verschweißt zu werden.
  4. Abwickelvorrichtung nach Anspruch 2, dadurch gekennzeichnet dass der Austrittskopf (5) eine Rückschlagklappe (55) umfasst, die zwischen den Schneidmittel (15) und den Schweißmitteln (16) angeordnet und dazu bestimmt ist, den Zugriff auf die Schneidmittel (15) von außerhalb des Kopfes durch das Austrittsfenster (10) zu verhindern.
  5. Abwickelvorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass sich die Rückschlagklappe (55) bis zum Fenster (10) erstreckt.
  6. Abwickelvorrichtung nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Rückschlagklappe (55) aus einem flexiblen Material hergestellt ist, das eine Schmelztemperatur aufweist, die höher als die Schweißtemperatur der Hülle ist.
  7. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Austrittskopf (5) abnehmbar ist, und dass der Körper (3) Mittel (45) zur Befestigung des Kopfes (5) aufweist, die derart vorgesehen sind, dass sie eine Montage des Kopfes (5) in mindestens zwei unterschiedlichen Ausrichtungen gestatten.
  8. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Schneidmittel (15) ein bewegliches Messer (20) mit einer Länge größer oder gleich der Breite der Verpackungshülle (11) umfassen, das dazu bestimmt ist, mit einer festen Schneiderille (22) zusammenzuwirken.
  9. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Schweißmittel (16) einen Heizstab (25) und einen Gegenstab (26) umfassen, zwischen denen ein zu schweißendes Element gepresst werden soll.
  10. Abwickelvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Führungsmittel (6) der Hülle umfassen:
    eine Führungsrolle (30) und eine Druckrolle (31), zwischen denen die Verpackungshülle (11) durchlaufen soll,
    Mittel (32) für den Drehantrieb der Führungsrolle (30) und/oder der Druckrolle (31),
    mindestens eine Führungsplatte (33), die sich stromaufwärts und stromabwärts zu den Führungs- (30) und Druckrollen (31) erstreckt und derart ausgeführt ist, dass sie die Hülle (11) vor und nach den Rollen (30, 31) führt und dass sie die Hülle (11) bei ihrer ursprünglichen Einführung zwischen die Rollen führt.
  11. Abwickelvorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass sich die Führungsplatte (33) zwischen den Führungs- (30) und Druckrollen (31) erstreckt und mindestens eine Zone (35) definiert, in der die Führungsrolle und die Druckrolle gleichzeitig mit der Hülle (11) zusammenwirken können.
  12. Abwickelvorrichtung nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass die Führungsmittel (6) stromabwärts zu der Führungsrolle (30) in Abwickelrichtung F2 der Hülle einen Tunnel (50) umfassen, der eine Führung der Hülle im Inneren des Austrittskopfes (5) bis stromaufwärts zu den Schneid- (15) oder Schweißmitteln (16) sicher stellt.
  13. Abwickelvorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass der Führungstunnel eine erweiterte Eintrittszone (51) aufweist.
  14. Abwickelvorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass der Tunnel (50) die Hülle derart führt, dass sie zu dem Austrittsfenster (10) des Austrittskopfes (5) gelenkt wird.
EP01913948A 2000-03-07 2001-03-07 Abwickelvorrichtung für schlauchfolie mit schneide- und schweissmitteln Expired - Lifetime EP1274625B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR0002908A FR2806058B1 (fr) 2000-03-07 2000-03-07 Derouleuse pour gaine d'emballage equipee de moyens de coupe et de soudage
FR0002908 2000-03-07
FR0005965 2000-05-10
FR0005965A FR2806059B1 (fr) 2000-03-07 2000-05-10 Derouleuse pour gaine d'emballage equipee de moyens de coupe et de soudage et d'une bavette anti-retour
PCT/FR2001/000678 WO2001066415A1 (fr) 2000-03-07 2001-03-07 Derouleuse pour gaine d'emballage equipee de moyens de coupe et de soudage

Publications (2)

Publication Number Publication Date
EP1274625A1 EP1274625A1 (de) 2003-01-15
EP1274625B1 true EP1274625B1 (de) 2004-08-04

Family

ID=26212236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01913948A Expired - Lifetime EP1274625B1 (de) 2000-03-07 2001-03-07 Abwickelvorrichtung für schlauchfolie mit schneide- und schweissmitteln

Country Status (9)

Country Link
US (1) US7000369B1 (de)
EP (1) EP1274625B1 (de)
AT (1) ATE272538T1 (de)
AU (1) AU3935101A (de)
CA (1) CA2402005A1 (de)
DE (1) DE60104668T2 (de)
ES (1) ES2225498T3 (de)
FR (1) FR2806059B1 (de)
WO (1) WO2001066415A1 (de)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
ITMI20060259A1 (it) * 2006-02-14 2007-08-15 Italdibipack Spa Macchina a campabna per il confezionamento di prodotti con un film termoretraibile monopiega
US9422073B2 (en) * 2011-04-12 2016-08-23 Sunbeam Products, Inc. Vacuum packaging appliance with roll storage
CA2839739C (en) * 2011-06-17 2017-05-16 Sunbeam Products, Inc. Vacuum packaging appliance
US10858129B2 (en) * 2015-06-05 2020-12-08 Sunbeam Products, Inc. Food storage appliance
US10717558B2 (en) 2016-10-17 2020-07-21 Morrisette Paper Company, Inc. Machine and process for packaging unique items

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Publication number Priority date Publication date Assignee Title
US2679280A (en) * 1952-04-24 1954-05-25 Production Inc Plastic bag sealing and cutting machine
US3035381A (en) * 1959-01-09 1962-05-22 George A Hosso Plastic bag sealer
US3239993A (en) * 1961-11-15 1966-03-15 Sam Cherrin Apparatus for forming plastic bags
US3367085A (en) * 1965-09-21 1968-02-06 Crown Zellerbach Corp Apparatus and process for closing bag and forming a handle therefor
US3764434A (en) * 1968-11-29 1973-10-09 Phillips Petroleum Co Bag forming machine
ES387082A1 (es) * 1970-04-10 1973-12-01 Calor Sa Perfeccionamientos en la construccion de aparatos de soldarlas materias plasticas en hojas delgadas.
US3753829A (en) * 1971-12-06 1973-08-21 M Freeman Plastic bag fabricating, dispensing and sealing unit
JPS5832102B2 (ja) * 1975-12-06 1983-07-11 クスミデンキ カブシキガイシヤ ヒ−トシ−ルソウチ
US4093500A (en) * 1977-03-28 1978-06-06 Lehigh Valley Industries, Inc. Bag forming apparatus
US4156382A (en) * 1977-12-20 1979-05-29 General Electric Company Bag sealer and cutter assembly
IE50192B1 (en) * 1979-09-14 1986-03-05 Grace W R & Co Process and apparatus for packing commodities in bags of heat-sealable plastics material
US4941310A (en) * 1989-03-31 1990-07-17 Tillia Aktiengesellschaft Apparatus for vacuum sealing plastic bags
US5618252A (en) * 1991-07-26 1997-04-08 Machinery Developments Limited Packaging apparatus
GB2275442A (en) * 1993-02-25 1994-08-31 Kwonnie Electrical Products Lt Vacuum sealing plastics bags
WO1994022723A1 (en) * 1993-03-26 1994-10-13 Machinery Developments Limited Packaging apparatus
US5682727A (en) * 1996-05-03 1997-11-04 Koch Supplies, Inc. Coupled cutting blade and heat element for use with vacuum packaging machinery
FR2775252B1 (fr) 1998-02-26 2000-04-07 Papiers A Paviot Procede d'emballage, destine notamment a des produits alimentaires vendus au detail, et emballage correspondant
US6256968B1 (en) * 1999-04-13 2001-07-10 Tilia International Volumetric vacuum control

Also Published As

Publication number Publication date
FR2806059B1 (fr) 2003-04-18
WO2001066415A1 (fr) 2001-09-13
FR2806059A1 (fr) 2001-09-14
ES2225498T3 (es) 2005-03-16
US7000369B1 (en) 2006-02-21
CA2402005A1 (fr) 2001-09-13
DE60104668T2 (de) 2005-08-11
EP1274625A1 (de) 2003-01-15
AU3935101A (en) 2001-09-17
DE60104668D1 (de) 2004-09-09
ATE272538T1 (de) 2004-08-15

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