US4293068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-layered foil cigarette pack with strip sealed tear flap
Assignee: Focke and Co GmbH and Co KG
•
Filing: 1979-10-02
•
Granted: 1981-10-06
•
Expires: 1999-10-02
Abstract
Abstract An opening flap 22 in a cigarette pack formed by a bonded foil laminate including an aluminum layer 10 and a paper layer 11 is defined by a tear line 23 formed by discontinuous perforations 24 extending completely through the laminate. The tear line is overlaid by a cover strip 27 of adhesive to maintain an aroma and moisture-proof seal in the folded pack.
Inventors
- 👤 Heinz Focke
- 👤 Kurt Liedtke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:52
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/26; B65D75/52; B65D75/58; B65D75/5827; B65D75/5833
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
133 words
A cigarette pack, comprising: (a) a rectangular container folded from a laminated blank including an outer layer (10) of metal foil and an inner layer (11) of paper bonded thereto, (b) an opening flap (22) disposed on adjoining top and upper front surfaces of the container, said flap being defined by a tear line (23) formed by aligned but discontinuous perforations (24) extending completely through the metal foil and paper layers, and (c) a localized band-like layer (27) of aroma and moisture-proof, severable adhesive material bonded to the interior surface of said paper layer, overlying and straddling the tear line, and extending laterally outwardly therefrom to a limited degree on the interior of the container, whereby said opening flap may be torn off from the container to gain access to the contents thereof.
Claim 2
Dependent Claim
133 words
A cigarette pack, comprising: (a) a rectangular container folded from a laminated blank including an outer layer (10) of metal foil and an inner layer (11) of paper bonded thereto, (b) an opening flap (22) disposed on adjoining top and upper front surfaces of the container, said flap being defined by a tear line (23) formed by aligned but discontinuous perforations (24) extending completely through the metal foil and paper layers, and (c) a localized band-like layer (27) of aroma and moisture-proof, severable adhesive material bonded to the interior surface of said paper layer, overlying and straddling the tear line, and extending laterally outwardly therefrom to a limited degree on the interior of the container, whereby said opening flap may be torn off from the container to gain access to the contents thereof.
Claim 3
Dependent Claim
23 words
A pack according to claim 1, wherein the metal foil is aluminum and spaced connecting points (25) bridge the gaps between adjacent perforations.
Claim 4
Dependent Claim
42 words
A pack according to claim 2, wherein the localized layer of adhesive material is adjoined by additional seam sealing adhesive material strips (16, 17; 28, 29) to form a unified adhesive material pattern on the paper layer side of the laminated blank.
Claim 5
Dependent Claim
26 words
A pack according to claim 2, wherein the connecting points (25) are defined by angled perforations (26) oriented in a direction opposite to the tear direction.
Claim 6
Dependent Claim
51 words
A pack according to claim 4, wherein the opening flap has an unattached edge on the upper front surface of the container which serves as a grip tab (32), said grip tab being formed by overlapping edge strips (30, 31) of the laminated blank on the front surface of the container.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-10-05 | 1985-04-06 | 1985-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-05 | 1989-04-06 | 1989-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-05 | 1993-04-06 | 1993-10-06 | $7700.00 | Window Closed / Lapsed |