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US4121757A Expired / Lapsed US ⏱️ 0.0 years remaining

Flap arrangement for a carrier carton

Assignee: Smurfit Kappa Packaging Corp
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Filing: 1978-01-24
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Granted: 1978-10-24
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Expires: 1998-01-24
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Abstract

Abstract A partial interior end wall of a carton is formed from a pair of flaps, one of which has a projection which is sealed to the other flap providing improved wall structure in a carton formed from a nestable blank.

Inventors

  • 👤 John R. Hamlin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:14
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/44; B65D5/46; B65D5/46072; B65D5/4608; B65D5/02; B65D5/0227; Y; Y10; Y10S; Y10S229/00; Y10S229/933

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 198 words
A carton formed from a cut and scored, nestable blank of paperboard, comprising: (a) a bottom main wall and a pair of side main walls hinged to said bottom main wall along opposite side edges thereof; (b) end walls formed from a plurality of end wall forming panels hinged to the end edges of at least certain of said main walls and forming therewith a structure open at its top; (c) a top wall formed from first and second top wall forming sections; (d) said top wall forming sections having carton carrying means formed therein and providing a carrying handle at said manufacturer's joint; (e) each of said top wall forming sections having a flap foldably hinged along a hinge line to each end thereof, including: (i) a first flap hinged to said first section and having an outwardly extending projection; (ii) a second flap hinged to said second section and having a portion thereof corresponding in configuration to said projection removed therefrom; (iii) said projection overlapping an area of said second flap and being secured thereto forming a continuous flap; (f) said continuous flap being folded inwardly to form a partial interior end wall of said carton.
Claim 2
Dependent Claim 198 words
A carton formed from a cut and scored, nestable blank of paperboard, comprising: (a) a bottom main wall and a pair of side main walls hinged to said bottom main wall along opposite side edges thereof; (b) end walls formed from a plurality of end wall forming panels hinged to the end edges of at least certain of said main walls and forming therewith a structure open at its top; (c) a top wall formed from first and second top wall forming sections; (d) said top wall forming sections having carton carrying means formed therein and providing a carrying handle at said manufacturer's joint; (e) each of said top wall forming sections having a flap foldably hinged along a hinge line to each end thereof, including: (i) a first flap hinged to said first section and having an outwardly extending projection; (ii) a second flap hinged to said second section and having a portion thereof corresponding in configuration to said projection removed therefrom; (iii) said projection overlapping an area of said second flap and being secured thereto forming a continuous flap; (f) said continuous flap being folded inwardly to form a partial interior end wall of said carton.
Claim 3
Dependent Claim 28 words
A carton as defined in claim 1, wherein said continuous flap is secured to each one of said end wall forming panels comprising one of said end walls.
Claim 4
Dependent Claim 41 words
A carton as defined in claim 1, wherein adhesive is located in a pre-selected pattern on the outside surface of said continuous flap and on the inside surfaces of said end wall forming panels to secure said flap to said panels.

References Cited (Backward Citations)

US1894873A Cited
GB937385A Cited
US3378187A Cited
US4030661A 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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