US3797726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container for liquids with an openable pouring spout
Assignee: Altstaedter Verpackungs Vertriebs GmbH
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Filing: 1972-01-06
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Granted: 1974-03-19
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Expires: 1992-01-06
Abstract
Abstract In a container for liquids a sealed connecting edge strip is provided in the top of the container and the edge strip can be opened to form a pouring spout. The connecting edge strip is formed by a pair of edge strips sealed together along a connecting seam spaced inwardly from the free edges of the edge strips. To facilitate opening the spout, a cut is formed in the connecting edge strip from its free edge toward the connecting seam with the cut extending obliquely of the connecting seam. The cut can extend through one or both of the edge strips. In one embodiment a perforated line extends alongside the connecting seam in one of the edge strips on the opposite side of the connecting seam from the free edge of the edge strip. The pouring spout is openable along the perforated line by pulling up on the connecting strip from the location of the cut toward the end of the connecting strip which forms the end of the pouring spout. In a second embodiment the cut is formed through both of the edge strips and an additional perforated line is provided in the other edge strip commencing at the obliquely arranged cut. Further, in the second embodiment a cut line is provided in the outer surface of the one of the edge strips and it is spaced from and extends along the perforated line in that strip and, preferably, the cut line is located on the opposite side of the perforated line from the connecting seam.
Inventors
- 👤 W Reil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:50
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/06; B65D5/064; B65D5/065
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
253 words
A container for liquids formed of a material such as cardboard and the like, said material having at least one impermeable surface, said material forming a first edge strip and a second edge strip extending across the top of the container and each having a free edge, said first edge strip and said second edge strip sealed together along a connecting seam to form a connecting edge strip, said connecting edge strip and a portion of said material adjacent thereto form an openable pouring spout from said container, a perforated line formed in said material adjacent to and in parallel relationship with said connecting seam, wherein the improvement comprises that said connecting seam is spaced inwardly from the free edges of said first and second strips, a cut formed in said connecting edge strip and extending inwardly from the free edge of said connecting edge strip, said pErforated line is formed in said material along one of said first and second edge strips of said connecting edge strip for at least the portion of said connecting edge strip which forms said spout and is located on the opposite side of said connecting seam from the free ends of said first and second edge strips forming said connecting edge strip, and said connecting edge strip arranged to be gripped adjacent said cut for pulling up thereon and being capable of separating said first edge strip and said second edge strip along said connecting seam and opening along said perforated line for opening said spout.
Claim 2
Dependent Claim
253 words
A container for liquids formed of a material such as cardboard and the like, said material having at least one impermeable surface, said material forming a first edge strip and a second edge strip extending across the top of the container and each having a free edge, said first edge strip and said second edge strip sealed together along a connecting seam to form a connecting edge strip, said connecting edge strip and a portion of said material adjacent thereto form an openable pouring spout from said container, a perforated line formed in said material adjacent to and in parallel relationship with said connecting seam, wherein the improvement comprises that said connecting seam is spaced inwardly from the free edges of said first and second strips, a cut formed in said connecting edge strip and extending inwardly from the free edge of said connecting edge strip, said pErforated line is formed in said material along one of said first and second edge strips of said connecting edge strip for at least the portion of said connecting edge strip which forms said spout and is located on the opposite side of said connecting seam from the free ends of said first and second edge strips forming said connecting edge strip, and said connecting edge strip arranged to be gripped adjacent said cut for pulling up thereon and being capable of separating said first edge strip and said second edge strip along said connecting seam and opening along said perforated line for opening said spout.
Claim 3
Dependent Claim
21 words
A container, as set forth in claim 1, wherein the perforated line extends along the full length of said connecting seam.
Claim 4
Dependent Claim
54 words
A container, as set forth in claim 1, wherein the cut in said connecting edge strip is provided in only one of said edge strips thereof and extends obliquely to said connecting seam with its inner end spaced from the free edge of said edge strip located adjacent one end of said pouring spout.
Claim 5
Dependent Claim
38 words
A container, as set forth in claim 3, wherein said cut forms an obtuse angle with the portion of said connecting seam extending along the part of said connecting edge strip which combines to form said pouring spout.
Claim 6
Dependent Claim
26 words
A container, as set forth in claim 3, wherein said cut extends to the end of said pouring spout formed in the top of said container.
Claim 7
Dependent Claim
102 words
A container, as set forth in claim 1, wherein the top of said container having a rectangular shape with a pair of narrow sides and a pair of wide sides, said pouring spout formed in one of the narrow sides of the top of said container and having a triangular shaped projection extending outwardly from said narrow edge so that the triangular projection can be folded downwardly along the narrow edge against a narrow side of said container in the sealed condition and the apex of said triangular projection spaced from said narrow edge forming the outer end of said pouring spout.
Claim 8
Dependent Claim
38 words
A container, as set forth in claim 3, wherein a pair of diverging embossed lines extending from the intersection of the prolongation of said cut with said connecting seam and each extending toward a corner of said container.
Claim 9
Dependent Claim
48 words
A container, as set forth in claim 1, wherein said perforated line is formed in said first edge strip with said first edge strip extending laterally from said perforated line outwardly from said connecting seam so that said first edge strip projects laterally over said second edge strip.
Claim 10
Dependent Claim
27 words
A container, as set forth in claim 1, wherein said container in the sealed position can be opened along the perforated line extending along said connecting seam.
Claim 11
Dependent Claim
26 words
A container, as set forth in claim 1, wherein said container has a parallelepiped shape and is formed from a single section cut from said material.
Claim 12
Dependent Claim
15 words
A container, as set forth in claim 10, wherein said container has three connecting seams.
Claim 13
Dependent Claim
41 words
A container, as set forth in claim 1, wherein the impermeable surface on said material is provided by a liner coat of polyethylene formed on one side thereof and said connecting seam is a welded seam formed by said polyethylene liner.
Claim 14
Dependent Claim
52 words
A container, as set forth in claim 1, wherein said perforated line is formed along said first edge strip, a second perforated line formed in said second edge strip, and said cut extending through both of said first and second edge strips from the free edge thereof inwardly toward said connecting seam.
Claim 15
Dependent Claim
128 words
A container, as set forth in claim 13, wherein the top of said container having a first edge and a second edge extending transversely of said connecting seam, the inner end of said cut is closer to said first edge than the outer end of said cut located at the free edge of said connecting edge strip, said second perforated line extending from the inner end of said cut in parallel relationship with said connecting seam and in the direction of said first edge and for a distance less than the distance between the inner edge of said cut and said first eDge, and the end of said perforated line closer to said first edge is bent outwardly and extends to the free edge of said connecting strip.
Claim 16
Dependent Claim
50 words
A container, as set forth in claim 13, wherein a cut line is formed in the outer layer of said material forming the part of the top of said container on which said first edge strip is formed, and said cut line extends in parallel relationship with said perforated line.
Claim 17
Dependent Claim
26 words
A container, as set forth in claim 15, wherein said cut line is located on the opposite side of said perforated line from said connecting seam.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |