US3281055A - Readily heat-sealable economy carton - Google Patents

Readily heat-sealable economy carton Download PDF

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Publication number
US3281055A
US3281055A US464528A US46452865A US3281055A US 3281055 A US3281055 A US 3281055A US 464528 A US464528 A US 464528A US 46452865 A US46452865 A US 46452865A US 3281055 A US3281055 A US 3281055A
Authority
US
United States
Prior art keywords
carton
cover
outer end
hingedly connected
front wall
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
US464528A
Other languages
English (en)
Inventor
Kenneth T Buttery
Norman A Nuyen
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.)
Fort James Corp
Original Assignee
Brown 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 Brown Co filed Critical Brown Co
Priority to US464528A priority Critical patent/US3281055A/en
Priority to NL6607900A priority patent/NL6607900A/xx
Priority to GB26738/66A priority patent/GB1081970A/en
Application granted granted Critical
Publication of US3281055A publication Critical patent/US3281055A/en
Assigned to JAMES RIVER DELAWARE M INC. reassignment JAMES RIVER DELAWARE M INC. MERGER (SEE DOCUMENT FOR DETAILS). Assignors: BROWN COMPANY
Assigned to JAMES RIVER CORPORATION OF VIRGINIA, A CORP. OF VA. reassignment JAMES RIVER CORPORATION OF VIRGINIA, A CORP. OF VA. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: JAMES RIVER DELAWARE, INC.
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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/54—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing
    • B65D5/5405—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form
    • B65D5/5415—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form the lines of weakness being provided in one or more closure flaps and in the container body so as to form after rupture a lid hinged to a side edge of the container body

Definitions

  • the present invention relates to cartons, and is more particularly concerned with heat-sealable cartons which may be readily and inexpensively erected from integral cut and scored blanks to which a heat-scalable adhesive has been applied, and which cartons may be readily and positively sealed by means of automatic machinery.
  • Cartons of the type described which have been available in the prior art, although satisfactory in use, have the disadvantage that they are diicult to construct and seal on automatic machinery.
  • Prior art cartons are generally provided with an outer front wall member integral with the cover of the carton, having its own flaps extending at the ends thereof.
  • a tear strip is provided as an integral unit and extends from the end of one ou-ter front wall ap, across the outer front wall, and to the end of the opposite outer front wal-l ilap.
  • Such a structure is expensive, difcult to construct into a carton from an integral blank, and requires expensive machinery for the purposes of erection and sealing. Additionally, such cartons require a greater amount of paperboard, thus adding to the material cost.
  • FIG. l is a yplan view of a blank cut and scored for assembling a carton according to the invention, additionally Ishowing a portion of an adjacent nesting blank.
  • FIG. 2. is a plan view of the blank folded over and glued to form a iiattened tube.
  • FIG. 3 is an end view of the carton with several of the flaps folded into position.
  • FIG. 4 is a perspective view of the sealed carton.
  • FIG. 5 is a perspective view of the carton of FIG. 4 after the seal has been broken and the cover opened.
  • FIG. 6 is a perspective view of a further embodiment of the invention.
  • FIG. 7 is a perspective view of the carton of FIG. 6 after the seal has been broken and the cover opened.
  • a carton having panels including a bottom member having a pair of inner end wall flaps hingedly connected to the ends thereof, a front wall member hingedly connected to an edge of the bottom member having front wall .outer end flaps hingedly connected to the ends thereof, and a rear wall member hingedly connected to the other edge of the bottom member having rear wall outer end flaps hingedly connected to the ends thereof.
  • the lower terminal corners of one outer end flap, preferably the rear wall outer end ap are provided with a recess or cut-out, preferably rectangular, preferably having its vertical edge substantially colinear with that of an upper terminal corner recess, if present in the same for nesting purposes.
  • the front and rear wall outer end flaps are dimensioned so that one may be folded over and aflixed to the other.
  • the lower margin of the overlapping outer end flap is provided with a heat-scalable adhesive and may be directly adhesively affixed to the inner end wall flap through the lower terminal corner recess of the underlying router end ap.
  • a cover is also provided which is hingedly connected to the upper edge of the rear wall member.
  • the cover is provided with cover flaps comprising cover end wall panels and a cover front wall panel.
  • Detachable means as for example an adhesive strip, is provided connected to the edge of the cover front wall panel at a severance line or by a tear strip, adhesively aflixing -the core front wall panel ⁇ to the front wall member.
  • cover end wall panels may each be provided with a detachable adhesive panel connected thereto at a severance line.
  • the adhesive panel is aixed to one or bot-h of the front and rear wall outer end flaps.
  • the carton of the invention is constructed from an integral blank, as illustrated in FIG. 1, and comprises a bottom panel member 1, a front wall member 2, and a rear wall member 3 hingedly connected to the bottom member 1.
  • a cover 4 is hingedly connected to the rear wall member 3.
  • the bottom 1 is provided at its ends with inner end wall flaps 5 hingedly connected thereto
  • the front wa-ll member 2 is provided a-t its ends with front wall outer end flaps 6 hingedly connected thereto
  • the rear wall member 3 is provided with rear wall outer end flaps 7 hingedly connected thereto.
  • the cover 4 is provided with end flaps 8 comprising cover end wall panels 9 and adhesive panels 10 connected to the panels 9 :at severance or fracture lines 11. As shown, the lower edges of the adhesive panels 10 descend somewhat below the edges Iof the cover end wall panels 9. However, the adhesive panels may be designed, if desired, so that their lower edges are flush with, -or even recede from, the -line dened by the edges of the cover end wall panel 9.
  • the cover 4 is provided at i-ts forward edge with a cover ap 12 comprising a cover front wall panel 13, parallel severance or fracture lines 14 d'ening a tear strip 3 15 having a tab 16 at one end thereof and detachably connecting the c-over front wall panel v13 to an adhesive strip 17 aixed to the front Wall member 2.
  • the cover front Wall panel 13 is also provided at its ends with end flaps 18 for being adhesively iaffixed to the cover end wall panels 9.
  • the flaps 7 and 18 at the 'ends of the rear wall member and cover are so designed that they are shorter than the end aps 5 and 6 of the bottom 1 landfront wall panel 2.
  • the rear wall outer end flap 7 may be provided with an upper terminal corner recess 20 of subs-tantially rectangular contour. Consequently, adjacent blanks may be arranged in opposite directions and may be nested together with the edges of the rear upper corner of the inner end wall flap 5 of one blank in edge-to-edge engagement with the edges of the upper terminal corner recess 20 Iof the rear wall outer end ap 7 of the other blank, as shown infFIG. 1.
  • the rear Wall -outer end flaps g 7 are provided with lower terminal corner recesses 19.
  • the front wall outer end aps 6 when folded there-over, they may be adhesively affixed directly -to the inner end wall flap 5 through the recess 19.
  • the outer end flaps may alternatively be arranged so that the rear wall outer end flap overlaps the front wa-ll outer end flap.
  • the lower corner recess is provided in the front wall outer end flap.
  • the lower terminal corner recess may be provided in any shape or form, although a rectangular recess or cut-out is preferred.
  • the carton blank In assembling the carton, the carton blank may be folded at the score line between the bottom 1 and rear Wall member 3. The cover front wall panel 13 is then folded over 'and the adhesive strip 17 aixed Ito the outer surface of the front wall member 2,7forming a folded tube, as shown in FIG. 2. Alternatively, the front wall member 2 may be folded over at the score line connecting it with the bottom 1, and the adhesive strip 17 may then be glued to the outer surface of the front Wall member 2 in the same manner. AIn either form the carton so folded occupies very little space, and may be shipped to the packager in this form for filling and sealing.
  • the folded carton t is squared up, as on a conventional squaring machine.
  • One end is then lclosed by first folding in the inner end Wall ap 5.
  • the rear wall outer end ap 7 is then folded over, and the fr-ont wall outer end flap 6 folded over and caused to overlap a-t least the forward portion of the rear wall outer end flap 7.
  • the cover front wall panel flap 18 is then folded over, followed finally by folding over the cover end wall panel 9.
  • Heat is applied to soften the adhesive, causing the front wall outer end flap 6 to become adhesively aflixed to the rear wall outer end flap 7 and also to the inner end Wall flap 5 through the corner recess 19.
  • the adhesive panel 10 becomes adhesively affixed to the rear wall outer end flap 7.
  • the panel 10 may overlap both the front wall outer end flap 6 and rear wall outer e-ndl flap 7 at the line of engagement between the two flaps.V In such case it becomes adhesively axed to both end flaps, also securing the cover end wall panel 9. If the adhesive panel is located rearwardly, as shown in FIG. 4, it becomes aixed only to rear wall outer end flap 7. Flap 18 in any case becomes affixed to cover end wa-ll panel 9. The carton may then be filled through the end remaining open. The open end may subsequently be closed and sealed in the same manner, to form a completely sealed carton as shown in FIG. 4. Alternatively, the first carton end may be closed and/ or tacked, as with glue, but not sealed, and then both carton ends sealed concurrently or simultaneously after filling of the carton.
  • the cart-on may be opened by grasping the tab 16 and removing the tear strip 15. As the cover is then lifted open, the cover end wall panels 9 are parted from the adhesive panels 10 at the severance line 11, to form the 4 structure shown in FIG. 5. The cover may be reclosed for storing unconsumed contents.
  • an adhesive strip 21 may be utilized which is directly connected to the cover front wall panel 13 at a severance line 22, and which ad- 4hesive strip ispreferably affixed to the front wall 2 at spaced-apart adhesive areas.
  • a centrally located adhesive panel 23 connected at a severance line 25 afxes the cover to the front wall member 2.
  • the front Wall 2 may be provided with cut scores 24 surrounding the adhesive areas to prevent the surface of the front wall from becoming torn when the adhesive strip is removed.
  • transverse cuts 26 may also be provided to facilitate removal of the adhesive strip.
  • the severance lines in any embodiment may have any desired conliguratiomsuch as :spaced-apart slits, V-shaped slits, or combinations of slits and cuts of any configuration.
  • the rear wall outer end flaps 7 are provided with lower terminal corner recesses similar to those designated by the numeral 19 in FIG. l.
  • Plastic such as polyethylene coated or wax coated paperboard, or laminated paperboard with openings for extrusion sealing, may also be employed for the cartons and carton blanks according to the invention.
  • a bottom member having inner end wall flaps hingedly connected to the ends thereof, a front wall member hingedly connected to one edge of said bottom member having front wall outer end flaps hingedly connected to the ends thereof, a rear wall member hingedly connected to the other edge of said bottom member having rear wall outer end aps hingedly connected to the ends thereof, and a cover hingedly connected to the upper edge of said rear wall member provided with cover flaps comprising cover end wall panels and a cover front wall panel having end flaps adhesively aixed to said cover end wall panels, said front wall outer end flap at each end of said carton overlapping said rear wall outer end flap, said rear wall outer end flap being provided with a rectangular lower terminal corner recess, and said front wall outer end flap being adhesively atiixed to said inner end wall ap through said recess, and detachable means adhesively afxing said cover front wall panel to said front Wall member.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
US464528A 1965-06-16 1965-06-16 Readily heat-sealable economy carton Expired - Lifetime US3281055A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US464528A US3281055A (en) 1965-06-16 1965-06-16 Readily heat-sealable economy carton
NL6607900A NL6607900A (enrdf_load_stackoverflow) 1965-06-16 1966-06-07
GB26738/66A GB1081970A (en) 1965-06-16 1966-06-15 Readily heat-sealable economy carton

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US464528A US3281055A (en) 1965-06-16 1965-06-16 Readily heat-sealable economy carton

Publications (1)

Publication Number Publication Date
US3281055A true US3281055A (en) 1966-10-25

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ID=23844290

Family Applications (1)

Application Number Title Priority Date Filing Date
US464528A Expired - Lifetime US3281055A (en) 1965-06-16 1965-06-16 Readily heat-sealable economy carton

Country Status (3)

Country Link
US (1) US3281055A (enrdf_load_stackoverflow)
GB (1) GB1081970A (enrdf_load_stackoverflow)
NL (1) NL6607900A (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353740A (en) * 1965-12-28 1967-11-21 Int Paper Co Reclosable carton
US4386705A (en) * 1981-01-26 1983-06-07 James River-Dixie/Northern, Inc. Ice cream carton
US4555027A (en) * 1983-09-19 1985-11-26 Froom Thomas W Carton for packaging ice cream or like frozen, initially liquid or semi-solid material
USD293211S (en) 1987-05-06 1987-12-15 Rendoll Paper Company Ice cream carton
US4756470A (en) * 1987-03-04 1988-07-12 Rolph-Clark-Stone Packaging Corporation Carton and blank for packaging ice cream or the like
US4757902A (en) * 1987-10-13 1988-07-19 Rolph-Clark-Stone Packaging Corporation Carton and blank for packaging ice cream and the like
US4838432A (en) * 1987-10-13 1989-06-13 Somerville Packaging Corporation Carton and blank for packaging ice cream and the like
US4907698A (en) * 1989-03-17 1990-03-13 James River Corporation Ice cream carton, carton blank, and method of assembly
USRE33204E (en) * 1983-09-19 1990-04-24 Rolph-Clark-Stone Packaging Corporation Carton for packaging ice cream or like frozen initially liquid or semi-solid material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2330045A (en) * 1940-11-29 1943-09-21 Paul E Georgiou Envelope
US3144980A (en) * 1962-02-16 1964-08-18 Riegel Paper Corp Dispensing container
US3146936A (en) * 1962-07-05 1964-09-01 Ferguson Lander Box Co Carton and blank therefor
US3197114A (en) * 1962-09-27 1965-07-27 Riegel Paper Corp Top opening ice cream carton

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2330045A (en) * 1940-11-29 1943-09-21 Paul E Georgiou Envelope
US3144980A (en) * 1962-02-16 1964-08-18 Riegel Paper Corp Dispensing container
US3146936A (en) * 1962-07-05 1964-09-01 Ferguson Lander Box Co Carton and blank therefor
US3197114A (en) * 1962-09-27 1965-07-27 Riegel Paper Corp Top opening ice cream carton

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3353740A (en) * 1965-12-28 1967-11-21 Int Paper Co Reclosable carton
US4386705A (en) * 1981-01-26 1983-06-07 James River-Dixie/Northern, Inc. Ice cream carton
US4555027A (en) * 1983-09-19 1985-11-26 Froom Thomas W Carton for packaging ice cream or like frozen, initially liquid or semi-solid material
USRE33204E (en) * 1983-09-19 1990-04-24 Rolph-Clark-Stone Packaging Corporation Carton for packaging ice cream or like frozen initially liquid or semi-solid material
US4756470A (en) * 1987-03-04 1988-07-12 Rolph-Clark-Stone Packaging Corporation Carton and blank for packaging ice cream or the like
USD293211S (en) 1987-05-06 1987-12-15 Rendoll Paper Company Ice cream carton
US4757902A (en) * 1987-10-13 1988-07-19 Rolph-Clark-Stone Packaging Corporation Carton and blank for packaging ice cream and the like
US4838432A (en) * 1987-10-13 1989-06-13 Somerville Packaging Corporation Carton and blank for packaging ice cream and the like
US4907698A (en) * 1989-03-17 1990-03-13 James River Corporation Ice cream carton, carton blank, and method of assembly

Also Published As

Publication number Publication date
NL6607900A (enrdf_load_stackoverflow) 1966-12-19
GB1081970A (en) 1967-09-06

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Legal Events

Date Code Title Description
AS Assignment

Owner name: JAMES RIVER DELAWARE M INC.

Free format text: MERGER;ASSIGNOR:BROWN COMPANY;REEL/FRAME:003850/0804

Effective date: 19810219

Owner name: JAMES RIVER CORPORATION OF VIRGINIA, TREDEGAR ST.,

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:JAMES RIVER DELAWARE, INC.;REEL/FRAME:003850/0811

Effective date: 19810406

Owner name: JAMES RIVER DELAWARE M INC., MICHIGAN

Free format text: MERGER;ASSIGNOR:BROWN COMPANY;REEL/FRAME:003850/0804

Effective date: 19810219