Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
58 words
An opening arrangement for packing containers comprising a packing material with a pouring opening (8) and a tear-off strip (6) covering the same, characterized in that the pouring opening (8) has a projection (8') extending against the direction of tearing of the strip (6), whose area is considerably smaller than the total area of the pouring opening (8).
Claim 2
Dependent Claim
58 words
An opening arrangement for packing containers comprising a packing material with a pouring opening (8) and a tear-off strip (6) covering the same, characterized in that the pouring opening (8) has a projection (8') extending against the direction of tearing of the strip (6), whose area is considerably smaller than the total area of the pouring opening (8).
Claim 3
Dependent Claim
105 words
An opening arrangement in accordance with claim 1, characterized in that the strip (6) is sealed within the area of the pouring opening (8) to a material layer (10) situated on the opposite side of the packing material, this seal being realized so that the resistance to the tearing off of the strip (6) varies in the direction of tearing of the cover strip (6), the resistance, seen in the direction of tearing, being greater in the boundary region between the projection (8') of the pouring opening (8) and the main part of the pouring opening than at the other parts of the pouring opening.
Claim 4
Dependent Claim
66 words
An opening arrangement in accordance with claim 2, characterized in that the seal between the tear-off strip (6) and the material layer (10) situated on the opposite side of the packing material is limited by a line extending along the contour of the pouring opening (8) which in the said boundary region extends at substantially right angles to the direction of tearing of the strip (6).
Claim 5
Dependent Claim
25 words
An opening arrangement in accordance with claim 2, characterized in that the seal is linear and extends along the contour of the pouring opening (8).
Claim 6
Dependent Claim
79 words
An opening arrangement in accordance with one or more of the preceding claims, characterized in that the pouring opening has an elongated shape and is limited by two lines (11) sub - stantially coinciding with the direction of tearing of the strip (6), which are joined together at one end of the pouring opening by an edge 12 situated at right angles to the direction of tearing , in the central part of which is situated the projection (8').
Claim 7
Dependent Claim
36 words
An opening arrangement in accordance with one or more of the preceding claims, characterized in that the area of the projection (8') is less than one tenth of the total area of the pouring opening (8).
Claim 8
Dependent Claim
39 words
An opening arrangement in accordance with one or more of the preceding claims, characterized in that the edge line of the projection (8') extends partially in circular form along a circle of a diameter of two to eight millimetres.