DK148415B - PLASTIC SEARCH WITH A FILLING VALVE - Google Patents

PLASTIC SEARCH WITH A FILLING VALVE Download PDF

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Publication number
DK148415B
DK148415B DK154379AA DK154379A DK148415B DK 148415 B DK148415 B DK 148415B DK 154379A A DK154379A A DK 154379AA DK 154379 A DK154379 A DK 154379A DK 148415 B DK148415 B DK 148415B
Authority
DK
Denmark
Prior art keywords
bag
pocket
filling
plastic
filling valve
Prior art date
Application number
DK154379AA
Other languages
Danish (da)
Other versions
DK148415C (en
DK154379A (en
Inventor
Andre Oosting
Kornelis Herder
Dirk Adriaan Vermeer
Original Assignee
Wavin Bv
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 NL7804027A external-priority patent/NL179714C/en
Priority claimed from NLAANVRAGE7811426,A external-priority patent/NL175508C/en
Application filed by Wavin Bv filed Critical Wavin Bv
Publication of DK154379A publication Critical patent/DK154379A/en
Publication of DK148415B publication Critical patent/DK148415B/en
Application granted granted Critical
Publication of DK148415C publication Critical patent/DK148415C/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/14Valve bags, i.e. with valves for filling
    • B65D31/142Valve bags, i.e. with valves for filling the filling port being formed by folding a flap connected to a side, e.g. block bottoms

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • External Artificial Organs (AREA)
  • Filtering Materials (AREA)

Description

χ 148415 oχ 148415 o

Den foreliggende opfindelse angår en plastsæk med en fyldningsventil og af den i indledningen til krav 1 angivne art.The present invention relates to a plastic bag with a filling valve and of the kind specified in the preamble of claim 1.

Plastsække af denne art kendes bl.a. fra tysk frem-5 læggelsesskrift nr. 1.949.086 og fra tysk offentliggørelsesskrift nr. 1.536.135 og udmærker sig ved, at luften under fyldningen af sækken kan undslippe uhindret fra denne, og uden at den herved medfører f.eks. pulveriseret materiale, som fyldes i sækken.Plastic bags of this kind are known, among other things. from German Patent Specification No. 1,949,086 and from German Publication No. 1,536,135 and is distinguished by the fact that the air during the filling of the bag can escape unobstructed from it, and without this entails e.g. powdered material which is filled into the bag.

10 En ulempe ved disse kendte sække er imidlertid, at de på grund af plastmaterialets glatte overflade er vanskelige at fatte og håndtere, hvilket især giver anledning til arbejdsmæssige problemer, når de efter fyldningen manuelt skal fjernes fra fyldningsmundstykket på en sækkefyldema-15 skine.A disadvantage of these known sacks, however, is that due to the smooth surface of the plastic material, they are difficult to grasp and handle, which in particular causes labor problems when they have to be manually removed from the filling nozzle of a sack filling machine after filling.

Formålet for opfindelsen er at overvinde denne ulempe og tilvejebringe en plastsæk af den omhandlede art, som foruden at luften under fyldningen af sækken kan undslippe uhindret fra denne særlig let kan fattes og fjernes fra fyldningsmund-20 stykket på en sækkefyldemaskine.The object of the invention is to overcome this disadvantage and to provide a plastic bag of the kind in question which, in addition to the air during the filling of the bag, can escape unobstructed from it particularly easily and can be removed from the filling nozzle of a bag filling machine.

Dette formål opnås med en plastsæk, der er udformet som angivet i den kendetegnende del af krav 1.This object is achieved with a plastic bag which is configured as defined in the characterizing part of claim 1.

Ved denne udformning af sækken kan den efter fyldning bekvemt fattes og fjernes fra fyldningsventilen ved, 25 at man stikker en hånd ind i lommen, indtil hånden når bunden af denne. Herved opnår man et godt solidt tag i sækken og kan let fjerne den fra sækkefyldemaskinen og håndtere den videre, uanset at sækken udvendig er glat og tilbøjelig til at glide i hånden.In this design of the bag, after filling it can be conveniently grasped and removed from the filling valve by inserting a hand into the pocket until the hand reaches the bottom thereof. This ensures a good firm grip in the bag and can easily remove it from the bag filling machine and handle it, regardless of whether the bag exterior is smooth and prone to slip in the hand.

30 For at opnå et særligt solidt tag i sækken, bør lom men være passende dyb, og det foretrækkes derfor, at lommen strækker sig til i hvert fald den indre kant af hjørnefligen og fortrinsvis forbi den nævnte indre kant af hjørnefligen.In order to obtain a particularly sturdy roof of the bag, pockets should be suitably deep, and it is therefore preferred that the pocket extends at least to the inner edge of the corner tab and preferably past said inner edge of the corner tab.

Lommen kan bestå af et uvævet, termoplastisk mate-35 riale, fortrinsvis polyesterfibre.The pocket may consist of a nonwoven thermoplastic material, preferably polyester fibers.

2 148415 o2 148415 d

Opfindelsen skal i det følgende beskrives nærmere ud fra en udførelsesform, idet der henvises til tegningen, på hvilken fig. 1 viser skematisk en del af en plastsæk med 5 en fyldningsventil ifølge opfindelsen, fig. 2 skematisk en del af en plastsæk omfattende et gaspermeabelt lag placeret over for fyldningsventilen i form af en uvævet lomme, fig. 3 ovenfra bunden af en sæk forsynet med en 10 fyldningsventil og en gaspermeabel lomme svarende til det i fig. 1 og 2 viste, og fig. 4 et tværsnit gennem en fyldningsventil og et gaspermeabelt lag i en sæk svarende til det i fig. 3 viste.BRIEF DESCRIPTION OF THE DRAWINGS The invention will now be described in more detail from an embodiment, with reference to the drawing, in which: FIG. 1 schematically shows a portion of a plastic bag with 5 a filling valve according to the invention; FIG. 2 schematically shows a portion of a plastic bag comprising a gas-permeable layer placed opposite the filling valve in the form of a nonwoven pocket; FIG. 3 is a bottom view of a sack provided with a filling valve and a gas permeable pocket similar to that of FIG. 1 and 2, and FIG. 4 is a cross-section through a filling valve and a gas permeable layer in a bag similar to that of FIG. 3.

15 Fig. 1 viser en plastsæk 1 omfattende et forreste folielag og et bageste folielag, som tilsammen danner en . rørformet folie af f.eks. polyethvlenfoliemateriale.FIG. 1 shows a plastic bag 1 comprising a front foil layer and a rear foil layer which together form one. tubular film of e.g. polyethvlenfoliemateriale.

Sækken 1 er forsynet med en bund 2, som er dannet af en første bundflig 3 og en anden bundflig 4, som er ind-20 byrdes forbundne ved en klæbende forbindelse eller en svejseforbindelse 5.The sack 1 is provided with a bottom 2 formed by a first bottom tab 3 and a second bottom tab 4 which are interconnected by an adhesive connection or a welding connection 5.

Den første og den anden bundflig henholdsvis 3 og 4 frembyder en bundfligendekant 8 og 9.The first and second bottom tabs 3 and 4, respectively, present a bottom tab edge 8 and 9.

Under dannelse af bunden dannes den første og den 25 anden hjørneflig 11 og 12 samtidigt. Den første hjørneflig 11 er forsynet med en første hjørnefligkant 14, som er placeret inden i sækken. Den anden hjørneflig 12 er forsynet med en anden hjørneendekant 13.During the formation of the bottom, the first and the second corner tabs 11 and 12 are formed simultaneously. The first corner tab 11 is provided with a first corner tab edge 14 which is located inside the bag. The second corner tab 12 is provided with a second corner end edge 13.

Efter dannelse af hjørnefligene 11 og 12 anbringes 30 et plastventilrør 6 på den første hjørneflig 11. Fortrinsvis foldes en indre endedel 16 bagud i retning mod den fremragende ende 17 af ventilrøret 6, og denne del 16 befæstes til den første hjørneflig 11 og et folielag 21, som dækker bunden.After forming the corner tabs 11 and 12, a plastic valve tube 6 is placed on the first corner tab 11. Preferably, an inner end portion 16 is folded backward toward the protruding end 17 of the valve tube 6, and this portion 16 is attached to the first corner tab 11 and a foil layer 21. , which covers the bottom.

35 3 U8415 o35 3 U8415 o

Ventilrøret 6 udgør en fyldningsventil 18, som er placeret inden i sækken og strækker sig længere ind i sækken end hjørnefligendekanten 14 af den anden hjørneflig 12.The valve tube 6 is a filling valve 18 which is located within the bag and extends further into the bag than the corner flap edge 14 of the second corner flap 12.

Den frie endekant 17 af fyldningsventilrøret 6 rager 5 frem uden for det indvendige af sækken. Ved hjælp af klæbeforbindelser eller varmeforseglinger 19 og 20 er ventilrøret 6 forbundet med hjørnefligen 11 og med et folielag 21, som dækker bunden, og som er fastgjort langs de foldede bundflige 3 og 4. Oven på den anden hjørneflig 12 er fast-10 gjort en lomme 22 af gaspermeabelt materiale med en sådan længde, at den strækker sig forbi den indre endekant 13 af den anden hjørneflig 12 inde i sækken.The free end edge 17 of the filling valve tube 6 projects 5 outside the interior of the bag. By means of adhesive joints or heat seals 19 and 20, the valve tube 6 is connected to the corner tab 11 and to a foil layer 21 which covers the bottom and which is fixed along the folded bottom tabs 3 and 4. On top of the second corner tab 12, a pocket 22 of gas permeable material of such length that it extends past the inner end edge 13 of the second corner tab 12 inside the bag.

I nærheden af den frie ydre kant 23 er lommen 22 fastgjort til den bundfolie 21, som dækker bundfligene 1S 3 og 4, der er foldet i retning mod hinanden, og den del af den anden hjørneflig 12, der er placeret direkte derunder, ved hjælp af et klæbemiddel eller en varmeforseg-ling.Near the free outer edge 23, the pocket 22 is attached to the bottom foil 21 which covers the bottom tabs 1S 3 and 4 folded in a direction toward each other and the portion of the second corner tab 12 located directly below it by means of of an adhesive or a heat seal.

Det vil være klart, at den finmaterialefiltrerende, 20 gaspermeable lomme 22 tillader en gasart eller luft, som har været anvendt til fyldning og nu er indesluttet i sækken, at undslippe, idet det indre af sækken nu er forbundet med det ydre gennem den gaspermeable lomme 22. Denne gaspermeable lomme 22 omfatter lag 22a og 22b, hvis kanter 25 er indbyrdes forbundne eller i ét stykke med hinanden og således danner den nævnte gaspermeable lomme 22.It will be appreciated that the fine material filtering, 20 gas permeable pocket 22 allows a gas or air which has been used for filling and is now enclosed in the bag to escape as the interior of the bag is now connected to the exterior through the gas permeable pocket. 22. This gas-permeable pocket 22 comprises layers 22a and 22b, the edges of which 25 are interconnected or integral with one another, thus forming said gas-permeable pocket 22.

Efter at have fyldt sækken ved hjælp af en fyldningsmaskine, hvorunder sækken hænger ned fra fyldningsmaskinen, via fyldningsventilen 6, kan sækken let fjernes 30 fra fyldningsmaskinen f.eks. ved at stikke en hånd ind i lommen 22, hvorved plastsækken, som i sig selv er meget glat, let kan fattes og fjernes fra fyldningsmaskinen.After filling the bag by means of a filling machine, under which the bag hangs from the filling machine, via the filling valve 6, the bag can easily be removed from the filling machine, e.g. by inserting a hand into the pocket 22, whereby the plastic bag, which in itself is very smooth, can be easily grasped and removed from the filling machine.

Til dette formål åbnes mundingen 26 af lommen 22, hvorefter en hånd kan stikkes ind i lommen 22, indtil den 35 når bunden 15 af lommen 22. Som det ses, strækker bunden 4For this purpose, the mouth 26 is opened by the pocket 22, after which a hand can be inserted into the pocket 22 until it reaches the bottom 15 of the pocket 22. As can be seen, the bottom 4 extends

14841S14841S

o 15 af lommen sig inden i sækken forbi kanten 13 af den anden hjørneflig 12. Den anden hjørneflig 12 og folien 21, som dækker bunden, er ude af stand til at berøre hinanden, således at der sikres en optimal fjernelse af gas 5 eller luft. Bunden 15 af lommen danner den gaspermeable forbindelse mellem de to lag 22a, 22b.o 15 of the pocket is inside the bag past the edge 13 of the second corner tab 12. The second corner tab 12 and the foil 21 covering the bottom are unable to touch each other to ensure optimum removal of gas 5 or air . The bottom 15 of the pocket forms the gas-permeable connection between the two layers 22a, 22b.

Som det ses, forbinder klæbestrimmeldelene eller varmeforseglingerne 24 og 25 laget 22a af lommen med den indre side af de indad foldede dele af bundfligene 24a, 10 24b og med dækfolien 21 og laget 22b med hjørnefligen 12.As can be seen, the adhesive strip parts or heat seals 24 and 25 connect the layer 22a of the pocket with the inner side of the inwardly folded portions of the bottom tabs 24a, 10 24b and with the cover film 21 and layer 22b with the corner tab 12.

For at fylde sækken åbnes mundingen 10 af fyldningsventilen 6. Fig. 3 viser, at klæbestrimmeldelene eller varmeforseglingerne 20a og 20b er placeret mellem den rørformede ventilfolie 6 og indersiden af de indad 15 foldede dele af bundfligene 3 og 4. For at undgå løse dele af det dækkende bundlag 21 er endeområdet 27 af dæklaget 21 fuldstændigt forbundet med ventilrøret 6 over hele dets længde i en udfladet tilstand.To fill the bag, the mouth 10 of the filling valve 6 is opened. 3 shows that the adhesive strip parts or heat seals 20a and 20b are located between the tubular valve film 6 and the inside of the inwardly folded portions of the bottom tabs 3 and 4. In order to avoid loose portions of the covering bottom layer 21, the end region 27 of the cover layer 21 is completely connected to the the valve tube 6 over its entire length in a flattened state.

Om ønsket kan dæklaget 21 udelades, og bunden kan 20 dannes ved at forsyne den rørformede sækfolie med indsnit - og folde bundfligene som beskrevet i britisk patentskrift nr. 1.072.856.If desired, the cover layer 21 can be omitted and the bottom 20 can be formed by providing the tubular bag foil with the incision and folding bottom tabs as described in British Patent Specification No. 1,072,856.

Det skal bemærkes, at sækken ifølge opfindelsen er meget fordelagtig derved, at styrken af sækkens vægge ikke 25 forringes ved anvendelse af det gaspermeable lag. Dette skyldes hovedsagelig den omstændighed, at det gaspermeable lag er dækket af bunddelene i sækken.It should be noted that the bag according to the invention is very advantageous in that the strength of the wall of the bag is not degraded by using the gas permeable layer. This is mainly due to the fact that the gas permeable layer is covered by the bottom portions of the bag.

DK154379A 1978-04-14 1979-04-11 PLASTIC SEARCH WITH A FILLING VALVE DK148415C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL7804027A NL179714C (en) 1978-04-14 1978-04-14 PLASTIC BAG WITH A FILLING VALVE.
NL7804027 1978-04-14
NLAANVRAGE7811426,A NL175508C (en) 1978-11-20 1978-11-20 VALVE BAG WITH FILLING VALVE AND FILTER BAG.
NL7811426 1978-11-20

Publications (3)

Publication Number Publication Date
DK154379A DK154379A (en) 1979-10-15
DK148415B true DK148415B (en) 1985-07-01
DK148415C DK148415C (en) 1985-11-25

Family

ID=26645404

Family Applications (1)

Application Number Title Priority Date Filing Date
DK154379A DK148415C (en) 1978-04-14 1979-04-11 PLASTIC SEARCH WITH A FILLING VALVE

Country Status (14)

Country Link
AT (1) AT368974B (en)
AU (1) AU528074B2 (en)
CA (1) CA1123392A (en)
CH (1) CH640472A5 (en)
DE (1) DE2914417A1 (en)
DK (1) DK148415C (en)
ES (1) ES243149Y (en)
FR (1) FR2422561A1 (en)
GB (1) GB2018721B (en)
IT (1) IT1116475B (en)
LU (1) LU81148A1 (en)
NO (1) NO150393C (en)
PT (1) PT69484A (en)
SE (2) SE7903246L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8101126A (en) * 1981-03-09 1982-10-01 Wavin Bv PLASTIC BAG WITH BREATHER.
DE3232321A1 (en) * 1982-08-31 1984-03-01 Bischof Und Klein Gmbh & Co, 4540 Lengerich Portable package made of flexible material in the form of a sack or bag
EP0135605A1 (en) * 1983-09-27 1985-04-03 Fischer & Krecke Filling valve for a valve bag
DE8811184U1 (en) * 1988-09-05 1988-11-10 Bischof Und Klein Gmbh & Co, 4540 Lengerich Cross or block bottom valve bag
DE4009369A1 (en) * 1990-03-23 1991-09-26 Celcommerz High Chem Produkte Packing for powder or gaseous materials
DE9101210U1 (en) * 1991-02-02 1991-04-25 Bischof Und Klein Gmbh & Co, 4540 Lengerich Cross or block bottom valve bag
DE4140213A1 (en) * 1991-12-06 1993-06-09 Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh, 5962 Drolshagen, De Filler valve for filling sacks - has valve which allows air to flow out but prevents flow of material
DE102016105642A1 (en) * 2016-03-25 2017-09-28 Christian Becker Shell and method for filling a shell

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL32346C (en) * 1900-01-01
DE523764C (en) * 1931-04-27 Bock Franz Conveyor bag
DE1251596B (en) * 1951-01-28 1967-10-05 Peter Baß Rothenburg ob der Tauber One-way clutch
FR1313683A (en) * 1961-02-07 1962-12-28 Natronzellstoff Und Papierfab Internal valve hose with front edge overlap for valve bags, paper
US3248042A (en) * 1962-12-26 1966-04-26 Union Carbide Corp Thermoplastic bag
DE1195226B (en) * 1963-04-24 1965-06-16 Wilhelm Ernst Fa Valve sack, especially for dust-like filling material
DE1761324B2 (en) * 1968-05-04 1976-10-28 Wilhelmstal-Werke Gmbh Papiersackfabriken, 7590 Achern VALVE BAG
DE1806333A1 (en) * 1968-10-31 1970-05-14 Sachser Papierverarb Sacks of paper or plastic, in particular valve sacks
DE1920097A1 (en) * 1969-04-21 1970-12-23 Wasserthal Hans Safety lock for cross-bottom valve bags
DE1949086A1 (en) * 1969-09-29 1971-04-01 Bischof & Klein Sack valve
DE2037544A1 (en) * 1970-07-29 1972-02-03 Badische Anilin-& Soda-Fabrik Ag, 6700 Ludwigshafen Perforated synthetic bag - for hygroscopic goods

Also Published As

Publication number Publication date
CH640472A5 (en) 1984-01-13
DK148415C (en) 1985-11-25
GB2018721A (en) 1979-10-24
PT69484A (en) 1979-05-01
LU81148A1 (en) 1979-11-07
ES243149Y (en) 1980-01-16
ATA287779A (en) 1982-04-15
NO150393C (en) 1984-10-10
AU528074B2 (en) 1983-04-14
IT1116475B (en) 1986-02-10
DE2914417C2 (en) 1987-10-15
DK154379A (en) 1979-10-15
FR2422561B1 (en) 1984-06-15
IT7948687A0 (en) 1979-04-10
GB2018721B (en) 1982-08-25
CA1123392A (en) 1982-05-11
NO150393B (en) 1984-07-02
AT368974B (en) 1982-11-25
FR2422561A1 (en) 1979-11-09
ES243149U (en) 1979-08-16
AU4623679A (en) 1980-05-29
SE437362B (en) 1985-02-25
NO791176L (en) 1979-10-16
SE7903246L (en) 1979-10-15
DE2914417A1 (en) 1979-10-18

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