US3722780A - Gable topped container and paperboard blank - Google Patents

Gable topped container and paperboard blank Download PDF

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Publication number
US3722780A
US3722780A US00109177A US3722780DA US3722780A US 3722780 A US3722780 A US 3722780A US 00109177 A US00109177 A US 00109177A US 3722780D A US3722780D A US 3722780DA US 3722780 A US3722780 A US 3722780A
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US
United States
Prior art keywords
panels
end closure
line
ridge
closure member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00109177A
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English (en)
Inventor
Ewen G Mac
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phillips Petroleum Co filed Critical Phillips Petroleum Co
Application granted granted Critical
Publication of US3722780A publication Critical patent/US3722780A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/06—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end-closing or contents-supporting elements formed by folding inwardly a wall extending from, and continuously around, an end of the tubular body
    • B65D5/067—Gable-top containers
    • B65D5/068—Gable-top containers with supplemental means facilitating the opening, e.g. tear lines, tear tabs

Definitions

  • the weakened line of I severance is coated with a material being of a type for preventing sealing of the ridge panels to the portion of [56] Relerenc Cited the end closure member covered by said material UNITED STATES PATENTS coating- 3,178,09l 4/1965 Tobias et al. ..229 17 0 13"Claim3, (iii-swing Figures 3,245,603 4/1966 Wilcox ..229/17 G PATEr-Hfnamznsm' 3,722,780
  • a gable topped container having ridge panels and an end closure member each having an upper edge at a common elevation with a pour spout within one of said elements located at an elevation higher than the lowermost edges of the ridge panels.
  • This invention therefore resides in a gable topped container and a paperboard blank for forming the container, which container has ridge panels and an end closure member each having an upper edge at a common elevation with an interrupted, ,weakened line of severance extending traversely within the end closure member at a elevation higher than the lowermost edges of the ridge panels.
  • FIG. 1 is a perspective view of a container embodying the invention
  • FIG. 2 is a plan view of one embodiment of the paperboard blank from which the container of this invention is formed
  • FIG. 3 is a perspective view of the gable topped structure in partial cross section in a partially opened condition
  • FIG. 4 is a perspective view of the gable topped structure in partial cross section in an advanced open condition
  • FIG. 5 is a perspective view of the gable topped structure in the fully opened condition
  • FIG. 6 is a partial view of another, preferred embodiment of the paperboard blank of this invention.
  • the rectangular blank is provided with vertical score lines 12, 13, 14 and 15, extending upwardly from the lower edge of the blank to a series 1-6 of first horizontally extending score lines 16a, 16b, 16c, 16d and 16e.
  • the score lines 13, 14 and 16b define a front sidewall panel 17.
  • Score lines 15 and 16d, and 12 and l6e define panels 18 and 19, the free edges of which in the formed container are overlapped and joined by a permanent adhesive bond to form a rear sidewall panel which is located opposite front side panel 17.
  • First 22 and second 21 end wall panels are defined by score lines 14, 15, and 16c. and 12, 13, and 160, respectively. With this scoring arrangement as shown in FIG. 2, the panels 17, 21, 22, and the rear wall panel formed by panels 18 and 19 are all of equal width in the formed condition of the container.
  • a second horizontal score line 27 is located a short distance downward from the upper edge of the blank and parallel to the upper edge of the blank.
  • Score lines 23, 26, 16d, and 162, and 27 define the rear roof closure panel comprised of sections 31 and 32. .Score lines 26, 23, and 27 define the ridge panel, comprising sections 33 and 34, surmounting the rear roof panel. Scorelines 25, 26, 16c, and 27 define the first rectangular end closure panel. This first end closure panel is provided with converging score lines 44 and 45, which at their upper ends intersect score line 27 medial of score lines and 26, thus defining a first triangular end closure panel portion 46 and a pair of first fold-back panels 47 and 48. Score lines 23, 24, 16a and 27 define a second rectangular end closure panel.
  • This end closure panel is provided with converging score lines 35 and 36, which at their upper end intersect the second score line 27 medial of score lines 23 and 24, thus defining a second triangular end closure panel portion 37 and a pair of second triangular foldback panel portions 38 and 39.
  • Score lines 23, 24 27 and 41 define ridge panels 42 and 43, surmounting second fold-back panel portions 38 and 39, respectively.
  • Score lines 25, 26 and 27 define ridge panel 51 surmounting the first fold-back panels 47 and 48.
  • the pair of opposed roof panels 28 and 31, 32 are inclined toward each other and overlie the top of the tubular body formed by sidewalls 17, 21, 22 and 18, 19.
  • the pair of second opposed triangular end closure panels '37 and 46 are enfolded between roof panels 28 and 31, 32, from the opposite gable ends formed by the latter, and with their apexes located at the central area of the gable.
  • the fold lines 44, 45, and 35, 36 which join each pair of first and second triangular fold-back panels 47, 48 and 38, 39 to opposite sides of the first and second tri angular end closure panels 46 and 37 are in proximity with the roof panels, the'fold-back panels being folded against the underside of the roof panels.
  • Ridge panel 51 surmounting the first fold-back panels 47 and 48 is hinged together at the apex of the first end closure panel 46 and is folded as shown in FIG. 1 about the hinge joinder score line 49 in face-to-face relation, between the ridge panels 29 and 33 surmounting the roof panels.
  • ridge panels 42 and 43 surmounting fold-back panels 38 and 39 are hinged together at the apex of the second end closure panel 37 and are folded about the hinged joinder score line 41 in face-to-face relation, between ridge panels 29 and 34.
  • the ridge panels 29, 33, 34, 42,43 are of a common width, and common elevation and are sealed to one another.
  • FIG. 6 shows another embodiment of the blank of this invention for forming the container of this invention.
  • a portion of the second score line 27 is interrupted between vertical score lines 14 and 15 thereby forming second score line portions 27' and 27" on the blank and an end closure member 54 defined by an upper edge 56 of the blank and score lines 25, 44,- 45, and 26.
  • portion 52 of the ridge panel 51 about and immediately adjacent the line of severance 60 is not sealed to another ridge panel.
  • This unsealed portion 52 of the ridge panel 51 preferably extends at least to the edge of the ridge panel below the line of severance 60 over the length of the weakened line of severance 60 for assuring easily breaking and opening of the pour spout formed by this line of severance 60 and adjacent structure. More preferably, the coating material extends at least 5/16 inch below the line of severance over the length of the weakened line of severance.
  • the interrupted, weakened line of severance 60 extends traversely across an upper portion of the end closure member 54 t an elevation higher than the lowermost edges of the ridge panels defined by score lines 27, 27".
  • the upper edge of said end closure member is at a common elevation with the upper edges of the ridge panels 29, 33, 34,
  • the coating material for example, one selected from the group comprising heat resistant latex water varnish type, catalyzed epoxy type, fluoro-carbon type, and various nitrocellulose type material formulated from a base nitrocellulose resin and a modifying resin, for example, is coated on an inner side of the unsealed portion 52 of the carton to prevent adherence of that portion 52 to other portions of the carton.
  • the weakened line of severance 60 comprises a straight line cut that extends completely through the ridge panel 51 with said out line being interrupted by at least two spaced-apart uncut portions 80 and 81.
  • These uncut portions preferably each have a length at least as great as the thickness of the container blank in order to assure that said line of severance 60 does not sever prematurely during forming of the container.
  • the uncut portions are preferably not greater than three times the thickness of the container blank or the container. A length of from I to 2 times the container thickness is preferred.
  • the severance line 60 terminate at locations spaced from the side edges of the ridge panel 51 or the end closure member 54 upon which the line of severance 60 is formed.
  • the ridge panels of FIG. 2 and the ridge panels and a portion of the end closure member of FIG. 6 preferably have a polyethylene coating for heat sealing of the panels one to the other.
  • the front roof panel 28 is provided with score line 71 extending upwardly from the intersection of the horizontal score line 16b and vertical score line 25 to a point on score line 27 midway between vertical score lines 24 and 25.
  • the rear roof panel portion 31 is also provided with score line 74 corresponding to score line 71.
  • FIG. 1 formed from the blank of either FIG. 2 or FIG. 6, can be opened by applying outward pressure against the fold-back panels 47 and 48 to cause a separation of the bond between the adjacent outer faces of ridge panel 51.
  • the container at this stage is illustrated in FIG. 3. Roof panels 28 and 31, 32
  • FIG. 5 illustrates a container in the stable opened position.
  • the container can be closed by applying a pressure against panel 46 to move it inwardly at a point during such inward movement, panel 46 will experience a snap-action and be returned to its stable closed position, similar to position illustrated in FIG. 3.
  • a gable topped container of sheet material comprising a tubular body having four sidewalls, a bottom closure, a pair of opposed roof panels inclining toward each other and overlaying the top of said body, first and second triangular end closure panels being enfolded between said roof panels from the opposite gable ends formed by the latter, a pair of triangular fold-back panels each joined to opposed sides of the second triangular end closure panel along fold lines which are in proximity with said roof panels, said fold-back panels being folded against the underside of said roof panels, a separate ridge panel surmounting each of said roof panels and said second pair of triangular fold-back panels, each pair of ridge panels surmounting the second pair of triangular fold-back panels being hinged together at the apex of the contiguous end closure panel and being folded about such hinged joinder in face-to-face relationship between the ridge panels surmounting said roof panels, the first triangular end closure panel having an end closure member joined to the roof panels, the ridge panels of the first
  • the end closure member having an interrupted, weakened line of severance extending traversely across an upper portion of said end closure member at an elevation higher than the lowermost edges of the ridge panels with an upper edge of said end closure member being at a common elevation with the uppermost edges of the ridge panels and being sealed to the adjacent ridge panels of theroof panels, and a coating material covering the end closure member at a location about and immediately adjacent the line of severance, said coating material being of a type for preventing sealing of the ridge panels to the portion of the end closure member covered by said material coating, said coating material extending at least 5/16 inch below the line of severance over the length of the weakened line of severance.
  • a gable topped container as set forth in claim 1, wherein the ridge panels and end closure member have a polyethylene coating and are heat sealed one to the other.
  • a gable topped container as set forth in claim 1, wherein the weakened line of severance comprises a straight cut line extending completely through the end closure member with said cut line being interrupted by at least two spaced-apart uncut portions.
  • a gable topped container as set forth in claim 3, wherein the interrupted portions of the cut line each have a length of not greater than about three times the thickness of the container blank.
  • a gable topped container as set forth in claim 1, wherein the interrupted, weakened line of severance terminates at locations spaced from the side edges of the end closure member upon which the line of severance is formed.
  • a gable topped container as set forth in claim 1, wherein a score line extends traversely across the end closure member defining a ridge panel thereon that is of substantially equal width relative to the ridge panels of the associated roof panels for dividing the end closure member into a ridge panel and a pair of triangular fold-back panels.
  • a paperboard blank for forming a container of rectangular formation having a gable top, said blank being formed with laterally spaced-apart score lines extending vertically from the lower to the upper edge of the blank, a first score line extending traversely of the blank in downward-spaced relationship to the upper edge thereof, said first score line in conjunction with said vertically extending score' line, defining opposed front and rear sidewall panels and opposed first and second end wall panels, a second interrupted traversely extending score line arranged at a common elevation intermediate the upper edge of said blank and said first traversely extending score line and defining, in conjunction therewith and with said vertically extending score lines, a first roof closure panel surmounting said front sidewall panel, a rear roof.
  • ridge panels having a common width surmounting 5 said roof panels and being defined by the second traversely extending score line being parallel to the upper edge of the blank and in conjunction with said vertically extending score lines;
  • a coating material covering the end closure member at a location about and immediately adjacent the line of severance, said coating material being of a type for preventing sealing of the ridge panels to the portion of the end closure member covered by said material coating, said coating material extending at least 5/16 inch below the line of severance over the length of the weakened line of severance.
  • a paperboard blank as set forth in claim 7, wherein the ridge panels and the end closure member have a polyethylene coating and are heat scalable one to the other.
  • a paperboard blank as set forth in claim 7, wherein the material about and immediately adjacent the line of severance extendsat least to an elevation of the second score line over the length of said weakened line of severance.
  • a paperboard blank, as set forth in claim 7, wherein the weakened line of severance comprises a straight out line extending completely through the paper board with said cut line being interrupted by at least two spaced-apart uncut portions.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
US00109177A 1971-01-25 1971-01-25 Gable topped container and paperboard blank Expired - Lifetime US3722780A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10917771A 1971-01-25 1971-01-25

Publications (1)

Publication Number Publication Date
US3722780A true US3722780A (en) 1973-03-27

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US00109177A Expired - Lifetime US3722780A (en) 1971-01-25 1971-01-25 Gable topped container and paperboard blank

Country Status (7)

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US (1) US3722780A (es)
AU (1) AU444103B2 (es)
BE (1) BE775000A (es)
CA (1) CA963865A (es)
ES (1) ES200871Y (es)
FR (1) FR2123250B1 (es)
IT (1) IT939016B (es)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949927A (en) * 1975-03-21 1976-04-13 Phillips Petroleum Company Impact resistant container bottom structure
US4775096A (en) * 1986-12-11 1988-10-04 Ab Tetra Pak Packing container with openable seal-weakened top closure
GB2253608A (en) * 1991-02-14 1992-09-16 Tetra Pak Holdings Sa Opening arrangements for cartons
JP2014015249A (ja) * 2012-07-11 2014-01-30 Toppan Printing Co Ltd 液体用紙容器
CN107964984A (zh) * 2018-01-19 2018-04-27 齐建军 一种新型的封闭式复合塑料检查井及其制作工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5083702A (en) * 1990-03-22 1992-01-28 Minnesota Mining And Manufacturing Company Gable-top container and method and apparatus for construction thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245603A (en) * 1964-05-25 1966-04-12 Phillips Petroleum Co Gable top container

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949927A (en) * 1975-03-21 1976-04-13 Phillips Petroleum Company Impact resistant container bottom structure
US4775096A (en) * 1986-12-11 1988-10-04 Ab Tetra Pak Packing container with openable seal-weakened top closure
AU594541B2 (en) * 1986-12-11 1990-03-08 Ab Tetra Pak A packing container with openable, seal-weakened top closure
GB2253608A (en) * 1991-02-14 1992-09-16 Tetra Pak Holdings Sa Opening arrangements for cartons
GB2253608B (en) * 1991-02-14 1995-02-01 Tetra Pak Holdings Sa Opening arrangements for cartons
JP2014015249A (ja) * 2012-07-11 2014-01-30 Toppan Printing Co Ltd 液体用紙容器
CN107964984A (zh) * 2018-01-19 2018-04-27 齐建军 一种新型的封闭式复合塑料检查井及其制作工艺

Also Published As

Publication number Publication date
BE775000A (fr) 1972-05-05
FR2123250B1 (es) 1976-02-13
FR2123250A1 (es) 1972-09-08
IT939016B (it) 1973-02-10
ES200871Y (es) 1976-02-16
AU3412171A (en) 1973-04-05
CA963865A (en) 1975-03-04
AU444103B2 (en) 1974-01-17
ES200871U (es) 1975-11-01

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