US2701090A - Covered collapsible triangular carton - Google Patents

Covered collapsible triangular carton Download PDF

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Publication number
US2701090A
US2701090A US153744A US15374450A US2701090A US 2701090 A US2701090 A US 2701090A US 153744 A US153744 A US 153744A US 15374450 A US15374450 A US 15374450A US 2701090 A US2701090 A US 2701090A
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US
United States
Prior art keywords
cover
side walls
carton
wall
side 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
US153744A
Inventor
Kenneth T Buttery
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.)
SOUTHERLAND PAPER Co
Original Assignee
SOUTHERLAND PAPER Co
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Filing date
Publication date
Application filed by SOUTHERLAND PAPER Co filed Critical SOUTHERLAND PAPER Co
Priority to US153744A priority Critical patent/US2701090A/en
Application granted granted Critical
Publication of US2701090A publication Critical patent/US2701090A/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
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/4204—Inspection openings or windows
    • 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
    • B65D5/20—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form
    • B65D5/2014—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the central panel having a non rectangular shape
    • B65D5/2028—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-up portions connected to a central panel from all sides to form a container body, e.g. of tray-like form the central panel having a non rectangular shape triangular
    • 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
    • B65D5/64—Lids
    • B65D5/66—Hinged lids
    • B65D5/6626—Hinged lids formed by folding extensions of a side panel of a container body formed by erecting a "cross-like" blank

Definitions

  • Fig. l is a perspective view of a closed carton embodying my invention.
  • Fig. 2 is a side elevational view with the cover in partially closed position.
  • Fig. 3 is a fragmentary perspective view illustrating the parts in partially erected position and particularly illustrating the hinging connections for the parts.
  • Fig. 4 is an enlarged horizontal section on a line corresponding to line 44 of Fig. 1.
  • Fig. 5 is a plan view of the carton fully collapsed.
  • Fig. 6 is a plan view of the blank with one sealing flap and a portion of one cover side wall shown folded inwardly by full lines and in extended position by dotted lines, adhesive being indicated on the sealing flap.
  • the embodiment of my invention illustrated comprises a triangular body bottom 1 to which the rear wall 2 is hingedly connected as by the score line indicated at 3.
  • the body side walls 4 and 5 are hingedly connected to the side edges of the bottom 1 as by the score lines 6.
  • the body side wall 4 is provided with a sealing flap 7 which is adhesively secured to the inner side of the side wall 5.
  • the side wall 4 has a diagonally disposed folding score 8 extending from the tip or apex of the bottom to the outer edge of the wall 4.
  • the side wall 5 has a projecting tab or tongue 9 on its front or apex edge.
  • the side walls 4 and 5 are provided with corner flaps 10 connected thereto by the hinging scores 11, these corner flaps being foldable on the inner side of the wall 2.
  • the triangular cover 12 is hingedly secured as by the score lines 13 to the upper edge of the body wall 2.
  • the cover has a window opening 14 therein which is extended into the wall 2 at 15. This window opening is provided with a transparent closure panel 16.
  • the corner flaps 10 are cut away at 17 so as not to obstruct the window opening.
  • the cover is provided with side walls 18 and 19 hingedly connected thereto by the score lines 20.
  • the side wall 19 is provided with a sealing flap 21 which is adhesively secured to the inner side of the cover side wall 18.
  • the cover side wall 19 is provided with a diagonal folding score at 22 extending from the apex of the cover. This diagonal folding scoring of the cover and body side walls permits the structure to be collapsed as shown in Fig. 5.
  • Fig. 5 By reference to Fig.
  • the body member and cover side walls having the diagonal scores therein are collapsible outwardly and that these diagonal scores are disposed on the opposite sides of the carton to prevent the side walls of the body member and cover from collapsing outwardly when the cover is in closed position over the body member.
  • the cover When the side walls of the cover and body are erected, the cover may be swung over the body of the box with the apex of the cover retainingly engaged by the tab or tongue 9 as is shown in Fig. 4.
  • the side walls 4 and 5 of the box body To retain the side walls of the cover, that is to prevent their spreading outwardly, the side walls 4 and 5 of the box body have diagonal slits 23 extending across their lower rear corners and adapted to receive the lower rear corners of the cover, as is shown in Fig. 1.
  • the parts may be formed of a single blank as is illustrated, with the exception of the window closure and the side walls of the body and cover connected at their apex ends so as to permit the walls being collapsed as is shown in Fig. 5.
  • the carton when erected, the carton is quite strong and rigid, even when formed of light material, so that the contents are effectively protected.
  • the carton is adapted for many uses but is particularly well adapted for bakery products. However, its segmental shape well adapts it for packing in circular shipping or delivery cartons.
  • a body member comprising a triangular bottom, a rear wall hingedly connected to the rear edge of the bottom, and side walls hingedly connected to the side edges of the bottom, one of the side walls having a sealing flap on its front end adhesively secured to the inner side of the other body side wall, said side wall having the sealing flap on its front end also having a diagonal folding score extending from the front end of the bottom to the outer edge of the side wall, one of said side walls having a projecting tongue on its front edge, said side walls having corner flaps hingedly connected to their rear ends and folclable on the inner side of the rear wall, a triangular cover hingedly connected to the upper edge of said rear wall, cover side walls hingedly connected to the side edges of the cover, one of said cover side walls having a sealing flap on its front end adhesively secured to the inner side of the other cover side wall, the cover side wall having the sealing flap having a diagonal folding score extending from the front end of the cover to

Description

K. T. BUTTERY COVERED COLLAPSIBLE TRIANGULAR CARTON Feb. 1, 1955 2 Sheets-Sheet 1 Filed April 5 1950 Feb. 1, 1955 K. T. BUTTERY COVERED COLLAPSIBLE TRIANGULAR CAR TON 2 Sheets-Sheet 2 Filed April 5, 1950 United States Patent COVERED COLLAPSIBLE TRIANGULAR CARTON Kenneth T. Buttery, Kalamazoo, Mich., assignor to Southerland Paper Company, Kalamazoo, Mich.
Application April 3, 1950, Serial No. 153,744
1 Claim. (Cl. 229-22) This invention relates to improvements in covered collapsible triangular cartons.
The principal objects of this invention are:
First, to provide a covered triangular collapsible carton which is formed from a single blank, with the exception of the transparent window panel when a window is provided, and may be readily set up from collapsed position and when set up is quite rigid and secure even when formed of relatively light stock.
Second, to provide a covered collapsible carton of triangular form which is well adapted for packaging segments of bakery products and the like and in which the contents are effectively protected and at the same time exposed for inspection.
Objects relating to details and economies of the invention will appear from the description to follow. The invention is defined and pointed out in the claims.
A preferred embodiment of the invention is illustrated in the accompanying drawings, in which:
Fig. l is a perspective view of a closed carton embodying my invention.
Fig. 2 is a side elevational view with the cover in partially closed position.
Fig. 3 is a fragmentary perspective view illustrating the parts in partially erected position and particularly illustrating the hinging connections for the parts.
Fig. 4 is an enlarged horizontal section on a line corresponding to line 44 of Fig. 1.
Fig. 5 is a plan view of the carton fully collapsed.
Fig. 6 is a plan view of the blank with one sealing flap and a portion of one cover side wall shown folded inwardly by full lines and in extended position by dotted lines, adhesive being indicated on the sealing flap.
The embodiment of my invention illustrated comprises a triangular body bottom 1 to which the rear wall 2 is hingedly connected as by the score line indicated at 3. The body side walls 4 and 5 are hingedly connected to the side edges of the bottom 1 as by the score lines 6. The body side wall 4 is provided with a sealing flap 7 which is adhesively secured to the inner side of the side wall 5. The side wall 4 has a diagonally disposed folding score 8 extending from the tip or apex of the bottom to the outer edge of the wall 4. The side wall 5 has a projecting tab or tongue 9 on its front or apex edge. The side walls 4 and 5 are provided with corner flaps 10 connected thereto by the hinging scores 11, these corner flaps being foldable on the inner side of the wall 2.
The triangular cover 12 is hingedly secured as by the score lines 13 to the upper edge of the body wall 2. In the structure illustrated, the cover has a window opening 14 therein which is extended into the wall 2 at 15. This window opening is provided with a transparent closure panel 16. The corner flaps 10 are cut away at 17 so as not to obstruct the window opening. The cover is provided with side walls 18 and 19 hingedly connected thereto by the score lines 20. The side wall 19 is provided with a sealing flap 21 which is adhesively secured to the inner side of the cover side wall 18. The cover side wall 19 is provided with a diagonal folding score at 22 extending from the apex of the cover. This diagonal folding scoring of the cover and body side walls permits the structure to be collapsed as shown in Fig. 5. By reference to Fig. 5 it will be noted that the body member and cover side walls having the diagonal scores therein are collapsible outwardly and that these diagonal scores are disposed on the opposite sides of the carton to prevent the side walls of the body member and cover from collapsing outwardly when the cover is in closed position over the body member.
When the side walls of the cover and body are erected, the cover may be swung over the body of the box with the apex of the cover retainingly engaged by the tab or tongue 9 as is shown in Fig. 4. To retain the side walls of the cover, that is to prevent their spreading outwardly, the side walls 4 and 5 of the box body have diagonal slits 23 extending across their lower rear corners and adapted to receive the lower rear corners of the cover, as is shown in Fig. 1.
With the parts thus arranged, they may be formed of a single blank as is illustrated, with the exception of the window closure and the side walls of the body and cover connected at their apex ends so as to permit the walls being collapsed as is shown in Fig. 5. However, when erected, the carton is quite strong and rigid, even when formed of light material, so that the contents are effectively protected. The carton is adapted for many uses but is particularly well adapted for bakery products. However, its segmental shape well adapts it for packing in circular shipping or delivery cartons.
I have illustrated and described my invention in a highly practical embodiment thereof. I have not attempted to illustrate or describe other adaptations or embodiments which I contemplate, as I believe this disclosure will enable those skilled in the art to embody or adapt my invention as may be desired.
Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:
In a covered collapsible triangular carton, a body member comprising a triangular bottom, a rear wall hingedly connected to the rear edge of the bottom, and side walls hingedly connected to the side edges of the bottom, one of the side walls having a sealing flap on its front end adhesively secured to the inner side of the other body side wall, said side wall having the sealing flap on its front end also having a diagonal folding score extending from the front end of the bottom to the outer edge of the side wall, one of said side walls having a projecting tongue on its front edge, said side walls having corner flaps hingedly connected to their rear ends and folclable on the inner side of the rear wall, a triangular cover hingedly connected to the upper edge of said rear wall, cover side walls hingedly connected to the side edges of the cover, one of said cover side walls having a sealing flap on its front end adhesively secured to the inner side of the other cover side wall, the cover side wall having the sealing flap having a diagonal folding score extending from the front end of the cover to the outer edge of the side wall, said cover side walls being closable over the body side walls, the side walls of the body member and cover having the diagonal hinge scores therein being collapsible outwardly, said diagonal scores being disposed on opposite sides of the carton to prevent collapsing of said body member and cover side walls outwardly when the cover is in a closed position over the body member, the body side walls having diagonal slits adjacent their lower rear corners receiving the lower rear corners of the cover side walls when the cover is closed, the upper ends of said diagonal slits terminating adjacent the hinged connections of said body side wall corner flaps to the body side walls, said tongue at the front end of one of the bottom side walls being in retaining engagement with the cover between the cover side walls at the vertex thereof when the cover is closed.
References Cited in the file of this patent UNITED STATES PATENTS 1,153,136 Rosenfeld Sept. 7, 1915 1,912,329 Wassell May 30, 1933 2,191,723 Mulnix Feb. 27, 1940 2,303,796 Ruecket Dec. 1, 1942 2,321,145 Jones June 8, 1943 2,334,902 Buttery Nov. 23, 1943 2,409,736 Caimi Oct. 22, 1946 2,551,324 Frieders et a1. May 1, 1951 2,598,627 Weiss May 27, 1952 FOREIGN PATENTS 17,679 Great Britain A. D. 1903 56,206 Norway Feb. 17, 1936
US153744A 1950-04-03 1950-04-03 Covered collapsible triangular carton Expired - Lifetime US2701090A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US153744A US2701090A (en) 1950-04-03 1950-04-03 Covered collapsible triangular carton

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US153744A US2701090A (en) 1950-04-03 1950-04-03 Covered collapsible triangular carton

Publications (1)

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US2701090A true US2701090A (en) 1955-02-01

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118094B (en) * 1958-02-26 1961-11-23 Baljak Corp Folding box for packaging cheese, especially Camembert cheese
US3142430A (en) * 1963-03-15 1964-07-28 American Can Co Carton
US3876131A (en) * 1973-07-02 1975-04-08 Hoerner Waldorf Corp Wedge shaped carton
USRE29185E (en) * 1973-07-02 1977-04-19 Hoerner Waldorf Corporation Wedge shaped carton
US4313542A (en) * 1979-07-13 1982-02-02 Champion International Corporation Single-serving pie carton and blank
US4492333A (en) * 1982-08-25 1985-01-08 Champion International Corporation Single slice pie carton with slanted openable rear wall and blank for forming same
US5037026A (en) * 1990-12-10 1991-08-06 Gulf States Paper Corporation Closable carton with improved snap action lock
WO1999025618A1 (en) * 1997-11-18 1999-05-27 Rapid Action Packaging Limited Containers for foodstuff
WO2002034629A1 (en) * 2000-10-25 2002-05-02 Pethick & Money Limited Sandwich pack
GB2428234A (en) * 2005-07-13 2007-01-24 St Neots Packaging Ltd Wedge shaped snack food container
DE202007010091U1 (en) * 2007-07-19 2007-10-25 Mayr-Melnhof Karton Ag folding
US20080237328A1 (en) * 2007-03-30 2008-10-02 Weyerhaeuser Co. Triangular shaped container and associated container blank
GB2450354A (en) * 2007-06-20 2008-12-24 Vincent Hardy A Food Container with an integral napkin
US20100019020A1 (en) * 2006-08-29 2010-01-28 Rapid Action Packaging Limited Methods of Preparing Web Material for Production of Receptacles for Food or Other Products
US20100059577A1 (en) * 2008-09-10 2010-03-11 Yu-Chun Lin Packing box structure
US20110210162A1 (en) * 2005-07-29 2011-09-01 Colpac Ltd Container for food
US20140353307A1 (en) * 2013-06-03 2014-12-04 Graphic Packaging International, Inc. Container with window and microwave interactive material

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190317679A (en) * 1903-08-15 1904-06-16 Alexander Aitchison Brown Improvements in and connected with Three-cornered Collapsible Boxes for Holding Oat-cakes and such like.
US1153136A (en) * 1914-03-20 1915-09-07 Morris W Rosenfeld Suitcase.
US1912329A (en) * 1932-05-23 1933-05-30 William S Wassell Carton
US2191723A (en) * 1936-12-12 1940-02-27 Ersel C Mulnix Box
US2303796A (en) * 1939-08-08 1942-12-01 Ind Patents Corp Carton
US2321145A (en) * 1939-03-23 1943-06-08 Jones Samuel Floyd Carton
US2334902A (en) * 1942-01-02 1943-11-23 Sutherland Paper Co Collapsible box or container
US2409736A (en) * 1944-09-29 1946-10-22 Joseph D Caimi Paper display carton with transparent window
US2551324A (en) * 1947-04-07 1951-05-01 John Strange Pail Company Container
US2598627A (en) * 1949-10-11 1952-05-27 Robert Gair Co Inc Folding carton

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190317679A (en) * 1903-08-15 1904-06-16 Alexander Aitchison Brown Improvements in and connected with Three-cornered Collapsible Boxes for Holding Oat-cakes and such like.
US1153136A (en) * 1914-03-20 1915-09-07 Morris W Rosenfeld Suitcase.
US1912329A (en) * 1932-05-23 1933-05-30 William S Wassell Carton
US2191723A (en) * 1936-12-12 1940-02-27 Ersel C Mulnix Box
US2321145A (en) * 1939-03-23 1943-06-08 Jones Samuel Floyd Carton
US2303796A (en) * 1939-08-08 1942-12-01 Ind Patents Corp Carton
US2334902A (en) * 1942-01-02 1943-11-23 Sutherland Paper Co Collapsible box or container
US2409736A (en) * 1944-09-29 1946-10-22 Joseph D Caimi Paper display carton with transparent window
US2551324A (en) * 1947-04-07 1951-05-01 John Strange Pail Company Container
US2598627A (en) * 1949-10-11 1952-05-27 Robert Gair Co Inc Folding carton

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118094B (en) * 1958-02-26 1961-11-23 Baljak Corp Folding box for packaging cheese, especially Camembert cheese
US3142430A (en) * 1963-03-15 1964-07-28 American Can Co Carton
US3876131A (en) * 1973-07-02 1975-04-08 Hoerner Waldorf Corp Wedge shaped carton
USRE29185E (en) * 1973-07-02 1977-04-19 Hoerner Waldorf Corporation Wedge shaped carton
US4313542A (en) * 1979-07-13 1982-02-02 Champion International Corporation Single-serving pie carton and blank
US4492333A (en) * 1982-08-25 1985-01-08 Champion International Corporation Single slice pie carton with slanted openable rear wall and blank for forming same
US5037026A (en) * 1990-12-10 1991-08-06 Gulf States Paper Corporation Closable carton with improved snap action lock
WO1999025618A1 (en) * 1997-11-18 1999-05-27 Rapid Action Packaging Limited Containers for foodstuff
EP1201548A1 (en) * 1997-11-18 2002-05-02 Rapid Action Packaging Limited Triangular foodstuff container
US6431365B1 (en) * 1997-11-18 2002-08-13 Rapid Action Packaging Limited Containers for foodstuff
WO2002034629A1 (en) * 2000-10-25 2002-05-02 Pethick & Money Limited Sandwich pack
GB2428234A (en) * 2005-07-13 2007-01-24 St Neots Packaging Ltd Wedge shaped snack food container
GB2428234B (en) * 2005-07-13 2007-12-27 St Neots Packaging Ltd Snack food container
US20110210162A1 (en) * 2005-07-29 2011-09-01 Colpac Ltd Container for food
US20100019020A1 (en) * 2006-08-29 2010-01-28 Rapid Action Packaging Limited Methods of Preparing Web Material for Production of Receptacles for Food or Other Products
US8215085B2 (en) 2006-08-29 2012-07-10 Rapid Action Packaging Limited Methods of preparing web material for production of receptacles for food or other products
US20080237328A1 (en) * 2007-03-30 2008-10-02 Weyerhaeuser Co. Triangular shaped container and associated container blank
US7487902B2 (en) * 2007-03-30 2009-02-10 International Paper Co. Triangular shaped container and associated container blank
GB2450354A (en) * 2007-06-20 2008-12-24 Vincent Hardy A Food Container with an integral napkin
DE202007010091U1 (en) * 2007-07-19 2007-10-25 Mayr-Melnhof Karton Ag folding
US20100059577A1 (en) * 2008-09-10 2010-03-11 Yu-Chun Lin Packing box structure
US20140353307A1 (en) * 2013-06-03 2014-12-04 Graphic Packaging International, Inc. Container with window and microwave interactive material
JP2016523777A (en) * 2013-06-03 2016-08-12 グラフィック パッケージング インターナショナル インコーポレイテッドＧｒａｐｈｉｃ Ｐａｃｋａｇｉｎｇ Ｉｎｔｅｒｎａｔｉｏｎａｌ，Ｉｎｃ． Container with window and microwave energy interactive material
EP3003903A4 (en) * 2013-06-03 2017-03-22 Graphic Packaging International, Inc. Container with window and microwave energy interactive material
US10414573B2 (en) * 2013-06-03 2019-09-17 Graphic Packaging International, Llc Container with window and microwave interactive material

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