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US4121713A Expired / Lapsed US ⏱️ 0.0 years remaining

Pack made from laminated sheeting

Assignee: Focke and Pfuhl
•
Filing: 1976-11-04
•
Granted: 1978-10-24
•
Expires: 1996-11-04
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Abstract

Abstract A parallelopiped-shaped package formed from a multilayer, laminated packaging foil having at least one layer of thermoplastic material. The closing flaps are constructed and arranged to be thermal welded together without the plasticized layer coming into contact with the bonding tool.

Inventors

  • 👤 Heinz Focke
  • 👤 Kurt Liedtke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 13:14
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/07; B65D85/08; B65D85/10; B65D85/1018; B65D5/00; B65D5/02; B65D5/0263; B65D65/00; B65D65/38; B65D65/40

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 173 words
A parallelopiped-shaped package for contents such as cigarettes, comprising: a blank with thermally weldable compound foil in partial areas of said blank, said blank enclosing the contents of the package in a closed tubular manner, said thermally weldable foil of the blank being located exclusively on the inside of the blank, said blank having a top-side closing of the package formed on a top surface by end portions of said blank comprising inner and outer lengthwise end flaps and side end flaps that are folded into the plane of the top side, said inner lengthwise end flap folded against the contents of the package, said outer lengthwise end flap holohedrally overlapping the top surface of the package connected to said inner lengthwise end flap, and side flaps folded in under the outer lengthwise end flap, said inner lengthwise end flap, being folded upon itself to form a closing strip with said thermally weldable foil facing outwardly, and said outer lengthwise end flap folded downward against said closing strip and thereto by thermal welding.
Claim 2
Dependent Claim 173 words
A parallelopiped-shaped package for contents such as cigarettes, comprising: a blank with thermally weldable compound foil in partial areas of said blank, said blank enclosing the contents of the package in a closed tubular manner, said thermally weldable foil of the blank being located exclusively on the inside of the blank, said blank having a top-side closing of the package formed on a top surface by end portions of said blank comprising inner and outer lengthwise end flaps and side end flaps that are folded into the plane of the top side, said inner lengthwise end flap folded against the contents of the package, said outer lengthwise end flap holohedrally overlapping the top surface of the package connected to said inner lengthwise end flap, and side flaps folded in under the outer lengthwise end flap, said inner lengthwise end flap, being folded upon itself to form a closing strip with said thermally weldable foil facing outwardly, and said outer lengthwise end flap folded downward against said closing strip and thereto by thermal welding.
Claim 3
Dependent Claim 27 words
The package as claimed in claim 1, wherein the closing strip formed by folding the inner lengthwise end flap in the middle corresponds to half its width.
Claim 4
Dependent Claim 26 words
The package as claimed in claim 2, wherein the inner lengthwise end flap is divided off from the adjoining side end flaps by lateral separating cuts.
Claim 5
Dependent Claim 27 words
The package as claimed in claim 1, wherein the side end flaps are folded in between the inner lengthwise end flap and the outer lengthwise end flap.
Claim 6
Dependent Claim 25 words
The package as claimed in claim 1, wherein the inner lengthwise end flap is folded in between two welded surfaces of the side end flaps.
Claim 7
Dependent Claim 23 words
A pack as claimed in claim 1 wherein the side end flaps each have triangular tabs adjacent to the inner lengthwise end flap.

References Cited (Backward Citations)

US1215464A Cited
US1525619A Cited
US2176912A Cited
US2300224A Cited
US2290633A Cited
US3265287A Cited
FR1446539A Cited
US3333683A Cited
US3402877A Cited
US3928693A Cited
DE2252059A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-10-23 1982-04-24 1982-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-10-23 1986-04-24 1986-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-10-23 1990-04-24 1990-10-24 $7700.00 Window Closed / Lapsed

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