Paper bag
Assigneedy-pack Verpackungen Gustav Dyckerhoff GmbH
InventorsWilhelm A. DYCKERHOFF, Eduard LISEK
Life of this patent
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Abstract
The invention relates to a paper bag (10) for potting soil or comparable moist bulk materials, which paper bag is formed from a tubular piece (15) comprising at least two paper layers (20, 25, 30), the bonds of the bag (10) being formed with biodegradable adhesive, the innermost paper layer (20) of the tubular piece (15) having, on its outer face (22), a water-repellent coating, preferably a PE coating, and at least one of the paper layers (20, 25, 30) having, at least on its inner face (24, 27, 34), a darkening colouring, preferably a black colouring.
Claims20
A paper bag (10) for potting soil or comparable moist bulk materials, formed from a tubular piece (15) comprising at least two paper layers (20, 25, 30), the bonds of the bag (10) being formed with biodegradable adhesive, wherein the innermost paper layer (20) of the tubular piece (15) has on its outer face (22) a water-repellent coating, preferably a PE coating, and at least one of the paper layers (20, 25, 30) has at least on its inner face (24, 27, 34) a darkening colouring, preferably black colouring.
Dependencies are inferred from the claim text.