DK490685A - PROCEDURE FOR THE PACKAGING PACKAGING - Google Patents
PROCEDURE FOR THE PACKAGING PACKAGING Download PDFInfo
- Publication number
- DK490685A DK490685A DK490685A DK490685A DK490685A DK 490685 A DK490685 A DK 490685A DK 490685 A DK490685 A DK 490685A DK 490685 A DK490685 A DK 490685A DK 490685 A DK490685 A DK 490685A
- Authority
- DK
- Denmark
- Prior art keywords
- bag
- welded
- packaging
- open
- frequency welding
- Prior art date
Links
Landscapes
- Making Paper Articles (AREA)
- Bag Frames (AREA)
Abstract
In a method for the manufacture of a packaging bag, in which a length of material with moulded material sheet 3 is drawn off from rolls in order to be turned up around a bottom fold 10 running parallel to the direction of transport, in order to form the bag part 5, and thereupon to be welded and brought together transversely to the direction of transport at the side edges 11, 12 of the bag, following which the bag contents are inserted and the bag is heat-sealed along a sealing seam 4, which joins the side edges 11, 12, and which is made by lightly pressing together the two lengths of material to be welded, welding of the tear-open sealing seam is done by high-frequency welding, and the high frequency welding jaws are in addition preheated to 40 degrees C. As a result the sealed bag can be torn open more easily than is the case with normally welded bags, so that when tearing open the welded seam 4, the two sealing seams 14 at the sides of the packing bag are not also torn open. A frequency of 27 MHz is preferably used for high frequency welding. <IMAGE>
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792934673 DE2934673A1 (en) | 1979-08-28 | 1979-08-28 | BAG PACK FOR AROMATIZED FILLING GOODS AND METHOD FOR PRODUCING THE PACK. |
DE2934673 | 1979-08-28 | ||
DK363880AA DK150723B (en) | 1979-08-28 | 1980-08-25 | PACKAGING FOR AROMATIC AND / OR MOISTURE CONTAINING MATERIAL |
DK363880 | 1980-08-25 |
Publications (4)
Publication Number | Publication Date |
---|---|
DK490685D0 DK490685D0 (en) | 1985-10-25 |
DK490685A true DK490685A (en) | 1985-10-25 |
DK160008B DK160008B (en) | 1991-01-14 |
DK160008C DK160008C (en) | 1991-06-17 |
Family
ID=25780754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK490685A DK160008C (en) | 1979-08-28 | 1985-10-25 | PROCEDURE FOR PREPARING PACKAGING |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK160008C (en) |
-
1985
- 1985-10-25 DK DK490685A patent/DK160008C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK160008B (en) | 1991-01-14 |
DK490685D0 (en) | 1985-10-25 |
DK160008C (en) | 1991-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |