NO118959B - - Google Patents
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- Publication number
- NO118959B NO118959B NO16173266A NO16173266A NO118959B NO 118959 B NO118959 B NO 118959B NO 16173266 A NO16173266 A NO 16173266A NO 16173266 A NO16173266 A NO 16173266A NO 118959 B NO118959 B NO 118959B
- Authority
- NO
- Norway
- Prior art keywords
- hose
- wrapping
- folds
- transverse direction
- unit
- Prior art date
Links
- 239000012815 thermoplastic material Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 4
- -1 polyethylene Polymers 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920006300 shrink film Polymers 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/002—Rolls, strips or like assemblies of bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/40—Packages formed by enclosing successive articles, or increments of material, in webs, e.g. folded or tubular webs, or by subdividing tubes filled with liquid, semi-liquid, or plastic materials
- B65D75/42—Chains of interconnected packages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Pipe Accessories (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
- Making Paper Articles (AREA)
- Package Closures (AREA)
- Bag Frames (AREA)
Description
Slange av krympbart, termoplastisk materiale beregnet for inn-pakningsøyemed. Hose of shrinkable, thermoplastic material intended for wrapping purposes.
Oppfinnelsen vedrorer en slange beregnet for innpakningsoyemed og fremstillet av krympbart, termoplastisk materiale, for eksempel polyeten eller polypropen, hvilken slange i flat tilstand er belgformet innbrettet i lengderetningen med bretningslinjene belig-gende innenfor slangens langsgående ytterkanter og forsynt med gjennomgående slisser i tverretningen, hvis innbyrdes avstand bestemmer hver individuell innpakningsenhets lengde og som strekker seg mellom og forbi begge innbretningene, slik at disse er helt avskåret og innpakningsenhetene henger sammen med hverandre bare ved de ikke gjennomskårne deler av slangen, idet denne er sammenfoyet i tverretningen inntil hver sliss. Innpakningsenhetene er i dette tilfelle forsynt med en tett bunn, som dannes av den tversgående sammenfSyning. Slike poseslanger er beskrevet i det norske patent loo.696 (81c-26/o2). The invention relates to a hose intended for wrapping and made of shrinkable, thermoplastic material, for example polyethylene or polypropylene, which hose in a flat state is bellows-shaped folded in lengthwise with the fold lines located within the hose's longitudinal outer edges and provided with continuous slits in the transverse direction, if mutually distance determines the length of each individual wrapping unit and which extends between and past both folds, so that these are completely cut off and the wrapping units are connected to each other only by the uncut parts of the hose, this being joined in the transverse direction up to each slot. In this case, the packaging units are provided with a tight bottom, which is formed by the transverse joint. Such bag hoses are described in the Norwegian patent loo.696 (81c-26/o2).
I den senere tid er ofte anvendt for innpakninger såkalt krympe-film., dvs. film av et polymert materiale, slik som polyeten eller polypropen, som er blitt underkastet strekk i en eller to retninger, hvorved materialet, når det utsettes for innvirkningen av varme, krymper i den ene eller begge retninger. Slike krympe-filmer anvendes for innpakning av stykkgods, som innfores i innpakningsenheten enten for seg eller i et i innpakningsenheten inn-fort trau e.l. Når enheten med godset derpå utsettes for varme-behandling, for eksempel i en tunnelovn, krymper filmmaterialet og slutter seg tett omkring godset. Om innpakningsenheten er forsynt med en tett bunn, slik som ifolge det nevnte norske patent, vil imidlertid efter krympningen skjonnhetsfeil oppstå ved at bretningen trekker seg sammen ved innpakningsenhetens bunn og forårsaker klumpdannelser og rynker. In recent times, so-called shrink film is often used for packaging, i.e. film of a polymeric material, such as polyethylene or polypropylene, which has been subjected to stretching in one or two directions, whereby the material, when exposed to the influence of heat , shrinks in one or both directions. Such shrink films are used for wrapping piece goods, which are inserted into the packaging unit either separately or in a trough or the like inserted into the packaging unit. When the unit with the goods on it is exposed to heat treatment, for example in a tunnel oven, the film material shrinks and adheres tightly around the goods. If the packaging unit is provided with a tight bottom, as according to the aforementioned Norwegian patent, however, after shrinking, cosmetic defects will occur as the fold contracts at the bottom of the packaging unit and causes lumps and wrinkles.
Det har nu vist seg at denne ulempe kan unngåes ved at innpakningsenheten utformes på en sådan måte, at sammenføyningen i tverretningen ligger bare mellom de indre bretningslinjer for innbretningene. It has now been shown that this disadvantage can be avoided by designing the packaging unit in such a way that the joining in the transverse direction is only between the inner fold lines for the folds.
Denne sammenfoyning behover ikke å være sammenhengende helt ut til bretningslinjene, men kan utfores punktvis eller på en mindre del av avstanden mellom de indre bretningslinjer. This joining does not need to be continuous all the way to the fold lines, but can be carried out point by point or on a smaller part of the distance between the inner fold lines.
Ved at innpakningsenheten således ikke har hel eller helt lukket bunn, idet de langsgående bretninger helt kan åpne seg efter hele lengden, skjer ved ilegning av innholdet i innpakningsenheten ikke noen sammentrekning av bretningene, hvilket ellers er tilfelle ved innpakningsenhetens bunn med det resultat at når krympningen utfores for eksempel ved passasje gjennom en varmetunnel, finner det sted ensartet krympning over hele innpakningsenhetens flate samtidig som enhetens ovre og undre vegger sammensmelter og danner en hermetisk lukket beskyttelse uten skjonnhetsfeil. By the fact that the packaging unit thus does not have a completely or completely closed bottom, as the longitudinal folds can open completely along the entire length, when the contents of the packaging unit are placed, no contraction of the folds occurs, which is otherwise the case at the bottom of the packaging unit, with the result that when the shrinkage carried out, for example, by passage through a heat tunnel, uniform shrinkage takes place over the entire surface of the packaging unit at the same time as the unit's upper and lower walls merge and form a hermetically sealed protection without aesthetic defects.
På tegningen vises skjematisk en utforelsesform av et kontinuer lig posebånd ifolge oppfinnelsen. Fig. 1 viser posebåndet sett i plan. Fig. 2 viser et snitt i storre målestokk efter linjen II-II i fig. 1, og fig. 3 er et snitt likeledes i storre målestokk og tatt efter linjen III-III i fig. 1. The drawing schematically shows an embodiment of a continuous bag belt according to the invention. Fig. 1 shows the bag belt seen in plan. Fig. 2 shows a section on a larger scale along line II-II in fig. 1, and fig. 3 is a section likewise on a larger scale and taken along the line III-III in fig. 1.
Ved den på tegningen viste utforelsesform er slangen forsynt med en innbretning på hver side, hvilke når slangen er i flat tilstand som vist på tegningen, danner innbretninger lo. Disse om-fatter ikke hele slangens bredde, men den ene halvpart av den dannede belg er smalere enn den annen. Bretningenes boynings-linjer 11 og lia ligger således innenfor slangens ytterkanter. Slangen er på passende avstand forsynt med slisser 12, som går helt gjennom slangen, men i dennes tverretning slutter på en viss avstand fra slangens langsgående kanter. Bretningene lo er således helt gjennomskåret, og de adskilte innpakningsenheter fast-holdes til hverandre bare av de smale broer 14 ved slangens ytterkanter. Innved hver sliss 12 er slangen forsynt med sveisesommer 15, som strekker seg frem til bretningenes lo indre boyningslin-jer lia. Innpakningsenhetene er således ikke helt lukket i den ende som danner innpakningsenhetens bunn. In the embodiment shown in the drawing, the hose is provided with a fold on each side, which when the hose is in a flat state as shown in the drawing, folds form fluff. These do not cover the entire width of the hose, but one half of the formed bellows is narrower than the other. The boynings lines 11 and lia of the folds are thus located within the outer edges of the hose. The hose is provided at a suitable distance with slits 12, which go completely through the hose, but in its transverse direction end at a certain distance from the longitudinal edges of the hose. The folds are thus completely cut through, and the separate packaging units are held together only by the narrow bridges 14 at the outer edges of the hose. Inside each slot 12, the hose is provided with a welding seam 15, which extends to the inner bend lines of the folds. The wrapping units are thus not completely closed at the end which forms the bottom of the wrapping unit.
Kontinuerlig innpakning av materiale med anvendelse av posebånc ifolge oppfinnelsen kan skje ved at båndet fores frem med sveisesommen i innpakningsenhetene forst og slissen derefter, fortrinns-vis på et plant underlag. Om en luftstrom blåses i samme retning som båndets bevegelsesretning, trenger luften gjennom slissen og fyller ut bretningene på grunn av at den moter så sterk motstand ved passasje ut gjennom bretningene på siden av sveisesommen. Innpakningsenheten forblir åpen, og fyllgodset kan lett innfores. Bretningene lo åpnes derved over innpakningsenhetens hele lengde uten at rynkning vil forekomme. Når innpakningen innfores i en varmeovn, skjer en ensartet krympning over hele innpakningens overflate uten at tilsnurping oppstår på den side av innpakningen hvor sveisesommen 15 ligger. Continuous wrapping of material using bag tape according to the invention can be done by feeding the tape with the welding seam in the wrapping units first and the slit afterwards, preferably on a flat surface. If an air stream is blown in the same direction as the strip's direction of motion, the air penetrates through the slot and fills the folds because it encounters such strong resistance when passing out through the folds on the side of the weld seam. The wrapping unit remains open, and the filling can be easily inserted. The folds are thereby opened over the entire length of the packaging unit without wrinkling occurring. When the wrapping is inserted into a heating oven, a uniform shrinkage occurs over the entire surface of the wrapping without constriction occurring on the side of the wrapping where the welding seam 15 is located.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE203965A SE306906B (en) | 1965-02-17 | 1965-02-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
NO118959B true NO118959B (en) | 1970-03-02 |
Family
ID=20259282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO16173266A NO118959B (en) | 1965-02-17 | 1966-02-18 |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE676620A (en) |
DE (1) | DE1511910A1 (en) |
DK (1) | DK108103C (en) |
GB (1) | GB1097853A (en) |
NL (2) | NL6602004A (en) |
NO (1) | NO118959B (en) |
SE (1) | SE306906B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATA197486A (en) * | 1986-07-22 | 2001-05-15 | Teich Ag | PACKAGE WITH PIECE PACKAGING GOODS AND METHOD FOR PRODUCING SUCH PACKAGES |
-
0
- NL NL128340D patent/NL128340C/xx active
-
1965
- 1965-02-17 SE SE203965A patent/SE306906B/xx unknown
-
1966
- 1966-02-15 DE DE19661511910 patent/DE1511910A1/en active Pending
- 1966-02-16 DK DK81666A patent/DK108103C/en active
- 1966-02-16 NL NL6602004A patent/NL6602004A/xx unknown
- 1966-02-17 BE BE676620D patent/BE676620A/xx unknown
- 1966-02-17 GB GB707066A patent/GB1097853A/en not_active Expired
- 1966-02-18 NO NO16173266A patent/NO118959B/no unknown
Also Published As
Publication number | Publication date |
---|---|
DK108103C (en) | 1967-08-28 |
NL6602004A (en) | 1966-08-18 |
BE676620A (en) | 1966-07-18 |
GB1097853A (en) | 1968-01-03 |
DE1511910A1 (en) | 1969-11-20 |
NL128340C (en) | |
SE306906B (en) | 1968-12-09 |
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