CA1163966A - Reinforced container - Google Patents
Reinforced containerInfo
- Publication number
- CA1163966A CA1163966A CA000362273A CA362273A CA1163966A CA 1163966 A CA1163966 A CA 1163966A CA 000362273 A CA000362273 A CA 000362273A CA 362273 A CA362273 A CA 362273A CA 1163966 A CA1163966 A CA 1163966A
- Authority
- CA
- Canada
- Prior art keywords
- container
- panels
- adjacent
- blank
- rectangular
- 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
Links
Classifications
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- 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
- B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
- B65D3/02—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape
- B65D3/08—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines characterised by shape having a cross-section of varying shape, e.g. circular merging into square or rectangular
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- 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
- B65D5/029—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 the tubular body presenting a special shape
Abstract
ABSTRACT OF DISCLOSURE
A reinforced container comprising a body of corrugated board shaped by means of score lines or folds to define an octa-gonal mid-section comprising eight interconnected rectangular panels, four triangular panels extending from either side of the central panels and four trapezoidal panels sharing sides in common with the adjacent triangular panels and extending from opposite sides of the central panels, and slotted end flaps connected to the ends of said triangular and trapezoidal panels, said triangu-lar and trapezoidal panels causing said container to converge from said mid-section to a rectangular shape which is closed by said slotted end flaps; the combined effect of said octagonal mid-section and the converging portions of said container is to pro-vide a container having improved resistance to bulging and vertical compressive strength.
A reinforced container comprising a body of corrugated board shaped by means of score lines or folds to define an octa-gonal mid-section comprising eight interconnected rectangular panels, four triangular panels extending from either side of the central panels and four trapezoidal panels sharing sides in common with the adjacent triangular panels and extending from opposite sides of the central panels, and slotted end flaps connected to the ends of said triangular and trapezoidal panels, said triangu-lar and trapezoidal panels causing said container to converge from said mid-section to a rectangular shape which is closed by said slotted end flaps; the combined effect of said octagonal mid-section and the converging portions of said container is to pro-vide a container having improved resistance to bulging and vertical compressive strength.
Description
1J63~66 This invention relates to improvements in rein-forced containers and sleeves. More particularly, the invention relates to containers of the type adapted to contain liquids (with a plastics liner) or other fxee-flowing materials, such as granules or powder, but theinvention is not limited thereto.
Corrugated board containers for liquids and dry' free-flowing materials are well known. ~lowever, in order to provide the necessary strength against bulging in the walls of the container, such containers have in the past been made in an octagona:L configuration. This results in the necessity for separate lids having to be made for the container since the flaps of the container cannot be made to close the container. This in turn increases the cost of the container and makes the tran-sport of the collapsed container difficult due to the separate lids.
One prior art attempt to provide a container having its ends closed by integral flaps is shown in United States Patent 2067998 to Williamson. ~lthough one of the Williamson containers has converging end portions which enable the use of integral closing flaps, the absence of interconnected rectangular panels defining a mid-section means that such a container would be totally unsuitable for use in a situation in which resistance to bulging and vertical compressive strength are important.
In French Specification 1,137,479 to Saccar, a container superficially similar in structure to the container of the present invention is disclosed at Figure 7, except as regards the shape of the interconnecting triangles at the converging end ~.
`" `~ 3 B3966 portions of the container of the French Specification. ~Iowever, the structure of the disclosed embodiment results in a container which is relatively weak in vertical compressive strength and re-sistance to bulging. This is understandable as the intended purpose of the container described in the French Specification is to increase circulation of air between adjacent containers when packed in close proximity. In the French Specification no con-sideration is given to providing high compressive strength and bulge resistance in the container.
It is an object of the present invention to provide a reinforced container or sleeve which is resistant to bulging and which has good vertical compressive strength, and which neverthe-less can have its ends closed by integral flaps.
The invention therefore provides a reinforced container comprising a body of relatively stiff material including at least six interconnected rectangular panels defining a mid-section which is at least hexagonal in shape, each said rectangular panel having a further shaped panel extending from its opposite free sides to define end portions of the container which extend convergingly from said mid-section to a rectangular shape at each end of the con-tainer, and integral slotted rectangular closure flaps extending-from each end of the container and shaped to close the ends of the container. The end portions are inwardly or outwardly inclined from their associated rectangular panels and certain ones are tri-angular having included angles ad]acent the ~losure flaps of sub-stantially less than 90, all of which provide a container having increased resistance to bulging and increased vertical compressive strength.
It will be appreciated that in the case of a reinforced sleeve, the closure flaps are not required.
1 ~ 6~96~
Where the ends of the container are substant-ially square, the slotted closure flaps may be arranged to close substantially the whole of each end of the container. Where the ends of the container are other than square, one pair of flaps will completely close the ends of the container while the other pair of flaps will close the end to a reduced extent. In such an arr-angement, the hexagonal mid-section will be in the form of an irregular hexagon.
In a preferred form of the invention, the mid-section is in the form of a regular or irregular octa-gon with the container converging to a square at each end thereof.
If desired, the container or sleeve may be moul-ded in the above configurations from polystyrene or other suitable plastics material. However, the most significant advantages are gained where the container is made from corrugated board, box board or solid fibre, hereinafter referred to generally as "board".
In the particularly preferred form of the inven-tion referred to above, the mid-section of the container is octagonal since this configuration is the most sym-metrical and is conveniently achieved by die cutting, scoring and folding an essentially rectangular blank of board. The hexagonal or octagonal mid-section is d~f-ined by six or eight rectangular panels defined by crease lines. Each panel has a further panel extending from either side thereof and defining the con-verging portions of the container. In the preferred 33 form, every alternate further panel extends inwardly towards the ends of the container while the intermed--2a-1 ~ ~396~
iate panels extend outwardly towards the ends of the container. This panel arrangement provides a form of "interlocking" construction which substantially in-creases the rigidity of the container against bulging and also contributes significantly to its vertical com-pressive strength.
The panels of the container defining the hexag-onal or octagonal mid-section are preferably greater in height than in width and the inwardly extending further panels are preferably trapezoidal in shape while the outwardly extending further panels are preferably tri-angular in shape. To enable completion of the contain-er, one end of the blank is die cut to follow the out-line of the crease at the other end of the blank and the remaining portion of the blank extending from the crease is glued to the outer or inner surface of the blank at the other end to form a suitable joint.
A particularly preferred form of the invention will now be described in greater detail with reference to the accompanying drawings in which:
Figure 1 is a plan view of the blank from which the container is formed;
Figure 2 is a perspective view of the container in its collapsed state;
Figure 3 is a perspective view of the container in its erected state;
Figure 4 is a plan view of the container from one end, and Figures 5 and 6 are side elevations respective-ly from the directions A-A and B-B in Figure 4.
Referring firstly to Figure 1 of the drawings, the shape of the baln~ from which the container embody-ing the in~ention is formed is clearly shown. It will be appreciated that the dimensions of the blank in Figure 1 are for one particular form of the inVention and may be varied to achieve containers of other ~ .
~ ~ 6~966 suitable dimensions. For example, while the blank shown forms a container having square ends, the invention is equally applicable to containers having rectangular ends of varying dimensions. How ever, the arrangement shown in the drawings is preferred since it is the most practical and economic shape for a container having the dimensions shown. The broken lines shown in Figure 1 represent crease lines defined by scoring or otherwise.
The blank shown in Figure 1 has four regular slotted end flaps 1 to 4 and 5 to 8 on either side of the blank and one end of the blank is die cut at 9 in a shape corresponding to the score line 10 at the opposite end of the blank. The portion 11 extending from score line 10 has glue applied to its inner face and adheres to the outer face of the blank at the other end with the die cut portion 9 aligned with the score line 10. Alternatively, the glue is applied to the outer face of portion 11 and it is adhered to the inner face of the blank.
The score lines define eight central rectangular panels 12 to 19 which define an octagonal mid-section when the blank is erected as shown in Figure 3. The crease lines also define four triangular panels 20 to 27 extending from either side of the central panesl 12, 14, 16 and 18. As may clearly be seen from the drawings, the triangular panels each have an included angle ad-jacent the slotted end flaps 1 through 8 of substantially less than 90. Similarly, four trapezoidal panels 28 to 35 sharing sides in common with the adjacent triangular panels extend from opposite sides of the central panels 13, 15, 17 and 19. Additional crease lines 36 and 37 are provided to facilitate collapsing of the formed blank as shown in Figure 2 of the drawings.
Referring now to Figures 3 to 6 of the drawings, it will be noted that when the container is erected, the trapezoidal panels 28 to 35 extend inwardly from their central panels 13, 15, 17 and 19 towards the ends of 1 3 ~3966 the cont~inex while the triangular panels 20 to 27 extend outwardly from their central panels 12, 14, 16 and 18 to the respective corners of the ends of the container. As mentioned above, the inward and outward inclination of the adjacent panels in combination pro-vides a form of "interlocking" construction that con-tributes to the containers rigidity against bulging as well as its vertical compressive strength. This arrangement is believed to improve the rigidity of the container in comparison with known octagonal containers whilst providing the quite distinct advantages of in-tegral end flaps of standard construction. When used as a reinforced sleeve, the end flaps may of course be removed.
While the octagonal configuration of the mid-section is preferred for the reasons outlined above, the invention is equally applicable to configurations having hexagonal mid-sections or any other greater mul-tiple of two.
Where the container is totally enclosed, that is, with flaps at both ends of the container, the out-ermost flaps may be secured by means of adhesive tape or by means of tear tape to facilitate easy opening.
Where the container is for liquids, a polythylene or similar plastics bag may be fixed within thP container in any suitable manner. If desired a dispensing valve may be provided in a manner similar to those provided in wine casks.
Where a reinforcing sleeve is to be located within another container, the glued joint may be omitted.
~ ~ ~3966 SUPPLEMENTARY DISCLOSURE
-In another preferred embodiment, the crease lines defining the junction between the rectangular panels and said further panels are omitted to further increase the compressive strength of the container.
The included angle of the triangular panels is preferably about 45.
Another preferred embodiment of the invention will now be described with reference to the attached drawings in which:
Figure 7 is a plan view of a modified blank embodying the invention, and Figure 8 is a perspective view of the container formed from the blank of Figure 7.
Referring to Figures 7 and 8 of the drawings, a modified version of the container embodying the invention is shown. In this embodiment, like reference numerals refer to like parts and it will be noted that the only modification in this embodiment is the exclusion of t~e transverse crease lines defining the junctions between the central rectangular panels 12 to 19 and the adjoining triangular and trapezoidal panels 20 to 35. It has been found that these crease lines are not required since the board simply bows at the transition between the central panels and the adjoining tri-angular and trapezoidal panels. More importantly, the exclusion of these crease lines has been found to significantly increase the vertical compressive strength of the container by a factor of about 36~ compared to the container according to the first embodiment described above. This means that the container according to this embodiment is approximately 76% stronger than containers according to the French Specification discussed in the main disclosure.
Furthermore the shape of the triangular panels 20 to 27 is selected so that the included angle at the apex is preferably about 45.
The selected shape of the triangular panels 20 to 27 results in the outward inclination of said panels being only several degrees from the vertical which in turn results in improved rigidity against bulging and increased vertical compressive strength.
Corrugated board containers for liquids and dry' free-flowing materials are well known. ~lowever, in order to provide the necessary strength against bulging in the walls of the container, such containers have in the past been made in an octagona:L configuration. This results in the necessity for separate lids having to be made for the container since the flaps of the container cannot be made to close the container. This in turn increases the cost of the container and makes the tran-sport of the collapsed container difficult due to the separate lids.
One prior art attempt to provide a container having its ends closed by integral flaps is shown in United States Patent 2067998 to Williamson. ~lthough one of the Williamson containers has converging end portions which enable the use of integral closing flaps, the absence of interconnected rectangular panels defining a mid-section means that such a container would be totally unsuitable for use in a situation in which resistance to bulging and vertical compressive strength are important.
In French Specification 1,137,479 to Saccar, a container superficially similar in structure to the container of the present invention is disclosed at Figure 7, except as regards the shape of the interconnecting triangles at the converging end ~.
`" `~ 3 B3966 portions of the container of the French Specification. ~Iowever, the structure of the disclosed embodiment results in a container which is relatively weak in vertical compressive strength and re-sistance to bulging. This is understandable as the intended purpose of the container described in the French Specification is to increase circulation of air between adjacent containers when packed in close proximity. In the French Specification no con-sideration is given to providing high compressive strength and bulge resistance in the container.
It is an object of the present invention to provide a reinforced container or sleeve which is resistant to bulging and which has good vertical compressive strength, and which neverthe-less can have its ends closed by integral flaps.
The invention therefore provides a reinforced container comprising a body of relatively stiff material including at least six interconnected rectangular panels defining a mid-section which is at least hexagonal in shape, each said rectangular panel having a further shaped panel extending from its opposite free sides to define end portions of the container which extend convergingly from said mid-section to a rectangular shape at each end of the con-tainer, and integral slotted rectangular closure flaps extending-from each end of the container and shaped to close the ends of the container. The end portions are inwardly or outwardly inclined from their associated rectangular panels and certain ones are tri-angular having included angles ad]acent the ~losure flaps of sub-stantially less than 90, all of which provide a container having increased resistance to bulging and increased vertical compressive strength.
It will be appreciated that in the case of a reinforced sleeve, the closure flaps are not required.
1 ~ 6~96~
Where the ends of the container are substant-ially square, the slotted closure flaps may be arranged to close substantially the whole of each end of the container. Where the ends of the container are other than square, one pair of flaps will completely close the ends of the container while the other pair of flaps will close the end to a reduced extent. In such an arr-angement, the hexagonal mid-section will be in the form of an irregular hexagon.
In a preferred form of the invention, the mid-section is in the form of a regular or irregular octa-gon with the container converging to a square at each end thereof.
If desired, the container or sleeve may be moul-ded in the above configurations from polystyrene or other suitable plastics material. However, the most significant advantages are gained where the container is made from corrugated board, box board or solid fibre, hereinafter referred to generally as "board".
In the particularly preferred form of the inven-tion referred to above, the mid-section of the container is octagonal since this configuration is the most sym-metrical and is conveniently achieved by die cutting, scoring and folding an essentially rectangular blank of board. The hexagonal or octagonal mid-section is d~f-ined by six or eight rectangular panels defined by crease lines. Each panel has a further panel extending from either side thereof and defining the con-verging portions of the container. In the preferred 33 form, every alternate further panel extends inwardly towards the ends of the container while the intermed--2a-1 ~ ~396~
iate panels extend outwardly towards the ends of the container. This panel arrangement provides a form of "interlocking" construction which substantially in-creases the rigidity of the container against bulging and also contributes significantly to its vertical com-pressive strength.
The panels of the container defining the hexag-onal or octagonal mid-section are preferably greater in height than in width and the inwardly extending further panels are preferably trapezoidal in shape while the outwardly extending further panels are preferably tri-angular in shape. To enable completion of the contain-er, one end of the blank is die cut to follow the out-line of the crease at the other end of the blank and the remaining portion of the blank extending from the crease is glued to the outer or inner surface of the blank at the other end to form a suitable joint.
A particularly preferred form of the invention will now be described in greater detail with reference to the accompanying drawings in which:
Figure 1 is a plan view of the blank from which the container is formed;
Figure 2 is a perspective view of the container in its collapsed state;
Figure 3 is a perspective view of the container in its erected state;
Figure 4 is a plan view of the container from one end, and Figures 5 and 6 are side elevations respective-ly from the directions A-A and B-B in Figure 4.
Referring firstly to Figure 1 of the drawings, the shape of the baln~ from which the container embody-ing the in~ention is formed is clearly shown. It will be appreciated that the dimensions of the blank in Figure 1 are for one particular form of the inVention and may be varied to achieve containers of other ~ .
~ ~ 6~966 suitable dimensions. For example, while the blank shown forms a container having square ends, the invention is equally applicable to containers having rectangular ends of varying dimensions. How ever, the arrangement shown in the drawings is preferred since it is the most practical and economic shape for a container having the dimensions shown. The broken lines shown in Figure 1 represent crease lines defined by scoring or otherwise.
The blank shown in Figure 1 has four regular slotted end flaps 1 to 4 and 5 to 8 on either side of the blank and one end of the blank is die cut at 9 in a shape corresponding to the score line 10 at the opposite end of the blank. The portion 11 extending from score line 10 has glue applied to its inner face and adheres to the outer face of the blank at the other end with the die cut portion 9 aligned with the score line 10. Alternatively, the glue is applied to the outer face of portion 11 and it is adhered to the inner face of the blank.
The score lines define eight central rectangular panels 12 to 19 which define an octagonal mid-section when the blank is erected as shown in Figure 3. The crease lines also define four triangular panels 20 to 27 extending from either side of the central panesl 12, 14, 16 and 18. As may clearly be seen from the drawings, the triangular panels each have an included angle ad-jacent the slotted end flaps 1 through 8 of substantially less than 90. Similarly, four trapezoidal panels 28 to 35 sharing sides in common with the adjacent triangular panels extend from opposite sides of the central panels 13, 15, 17 and 19. Additional crease lines 36 and 37 are provided to facilitate collapsing of the formed blank as shown in Figure 2 of the drawings.
Referring now to Figures 3 to 6 of the drawings, it will be noted that when the container is erected, the trapezoidal panels 28 to 35 extend inwardly from their central panels 13, 15, 17 and 19 towards the ends of 1 3 ~3966 the cont~inex while the triangular panels 20 to 27 extend outwardly from their central panels 12, 14, 16 and 18 to the respective corners of the ends of the container. As mentioned above, the inward and outward inclination of the adjacent panels in combination pro-vides a form of "interlocking" construction that con-tributes to the containers rigidity against bulging as well as its vertical compressive strength. This arrangement is believed to improve the rigidity of the container in comparison with known octagonal containers whilst providing the quite distinct advantages of in-tegral end flaps of standard construction. When used as a reinforced sleeve, the end flaps may of course be removed.
While the octagonal configuration of the mid-section is preferred for the reasons outlined above, the invention is equally applicable to configurations having hexagonal mid-sections or any other greater mul-tiple of two.
Where the container is totally enclosed, that is, with flaps at both ends of the container, the out-ermost flaps may be secured by means of adhesive tape or by means of tear tape to facilitate easy opening.
Where the container is for liquids, a polythylene or similar plastics bag may be fixed within thP container in any suitable manner. If desired a dispensing valve may be provided in a manner similar to those provided in wine casks.
Where a reinforcing sleeve is to be located within another container, the glued joint may be omitted.
~ ~ ~3966 SUPPLEMENTARY DISCLOSURE
-In another preferred embodiment, the crease lines defining the junction between the rectangular panels and said further panels are omitted to further increase the compressive strength of the container.
The included angle of the triangular panels is preferably about 45.
Another preferred embodiment of the invention will now be described with reference to the attached drawings in which:
Figure 7 is a plan view of a modified blank embodying the invention, and Figure 8 is a perspective view of the container formed from the blank of Figure 7.
Referring to Figures 7 and 8 of the drawings, a modified version of the container embodying the invention is shown. In this embodiment, like reference numerals refer to like parts and it will be noted that the only modification in this embodiment is the exclusion of t~e transverse crease lines defining the junctions between the central rectangular panels 12 to 19 and the adjoining triangular and trapezoidal panels 20 to 35. It has been found that these crease lines are not required since the board simply bows at the transition between the central panels and the adjoining tri-angular and trapezoidal panels. More importantly, the exclusion of these crease lines has been found to significantly increase the vertical compressive strength of the container by a factor of about 36~ compared to the container according to the first embodiment described above. This means that the container according to this embodiment is approximately 76% stronger than containers according to the French Specification discussed in the main disclosure.
Furthermore the shape of the triangular panels 20 to 27 is selected so that the included angle at the apex is preferably about 45.
The selected shape of the triangular panels 20 to 27 results in the outward inclination of said panels being only several degrees from the vertical which in turn results in improved rigidity against bulging and increased vertical compressive strength.
Claims (24)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A container comprising a body of relatively stiff material including at least six rectangular panels inter-connected along opposite edges to form a mid-section which is at least hexagonal in cross-sectional shape, each said rectangular panel having a further shaped panel integrally connected to and extending along each of its two remaining opposite edges, adjacent ones of said further shaped panels being integrally interconnected along their adjacent edges and alternate ones thereof being triangular, said further shaped panels defining end portions of the container which form a polygonal shape at each end of the container, and integral slotted closure flaps extending from each end of the container and shaped to close the ends of the container, said triangular panels being shaped such that the included angle of each adjacent said closure flaps is substantially less than 90° and each said end portion being inwardly or outwardly inclined from its associated rectangular panel to provide a container having increased resistance to bulging and increased axial compressive strength.
2. The container of claim 1 wherein each triangular further panel is inclined outwards from its associated rectangular panel towards the end of the container while the other further panels are inclined inwards from the associated rectangular panels towards the respective end of the container.
3. The container of claim 2 wherein said rectangular panels are greater in height than they are in width measured around the circumference of the container mid-section.
4. The container of claim 2 wherein said body is formed from a blank of stiff sheet material creased to define said panels, said blank being die cut at one end to follow the outline of the crease adjacent the opposite end of the blank, said blank having an extended portion from the last mentioned crease, said extended portion being adhered to the outer face of the blank adjacent said die cut end to complete the container.
5. The container of claim 4, wherein said mid-section has an octagonal cross-sectioned shape and said end portions converge to a square at each end of the container.
6. The container of claim 5, wherein said mid-section has an equilateral octagonal shape.
7. The container of claim 1 wherein said body is formed from corrugated board.
8. A reinforcing sleeve for a container comprising a body of relatively stiff material including at least six rectangular panels interconnected along opposite edges to form a mid-section which is at least hexagonal in cross-sectional shape, each said rectangular panel having a further shaped panel integrally-connected to and extending along each of its two remaining opposite edges, adjacent ones of said further shaped panels being integrally-interconnected along their adjacent edges and alternate ones there of being triangular panels, said further shaped panels defining end portions of the sleeve which form a polygonal shape at each end of said sleeve, said triangular panels being shaped such that the included angle of each adjacent said ends of said sleeve is substantially less than 90° and each said end portion being inwardly or outwardly inclined from its associated rectangular panel to provide a sleeve having increased resistance to bulging and increased axial compressive strength.
9. The sleeve of claim B wherein each triangular further panel is inclined outwards from its associated rectangular panel towards the end of the sleeve while the other further panels inclined inwardly from their associated rectangular panels towards the respective end of the sleeve.
10. The sleeve of claim 9 wherein said body is formed from a blank of stiff sheet material creased to define said panels, said blank being die cut at one end to follow the outline of the crease adjacent the opposite end of the blank, said blank having an extended portion from the last mentioned crease, said extended portion (claim 10 continued) being adhered to the outer face of the blank adjacent said die cut end to complete the container.
CLAIMS SUPPORTED BY SUPPLEMENTARY DISCLOSURE
CLAIMS SUPPORTED BY SUPPLEMENTARY DISCLOSURE
11. A container comprising a body of relatively stiff material including at least six rectangular panels inter-connected along opposite edges to form a mid-section which is at least hexagonal in cross sectional shape, each said rectangular panel having a further shaped panel integrally connected to and extending along each of its two remaining opposite edges, adjacent ones of said further shaped panels being integrally interconnected along their adjacent edges and alternate ones thereof being triangular, said further shaped panels defining end portions of the container which form a polygonal shape at each end of the container, and integral slotted closure flaps extending from each end of the container and shaped to close the ends of the container, said triangular panels being shaped such that the included angle of each adjacent said closure flaps is about 45°, each said portion being inwardly or outwardly inclined from its associated rectangular panel to provide a container having increased resistance to bulging and increased axial compressive strength,
12. The container of claim 11 wherein each triangular further panel is inclined outwards from its associated rectangular panel towards the end of the container while the other further panels are inclined inwards from the associated rectangular panels towards the respective end of the container.
13. The container of claim 12 wherein said rectangular panels are greater in height than they are in width measured around the circumference of the container mid-section.
14. The container of claim 12 wherein said body is formed from a blank of stiff sheet material creased to define said panels, said blank being die cut at one end to follow the outline of the crease adjacent the opposite end of the blank, said blank having an extended portion from the last mentioned crease, said extended portion being adhered to the outer face of the blank adjacent said die cut end to complete the container.
15. The container of claim 14, wherein said mid-section has an octagonal cross-sectioned shape and said end portions converge to a square at each end of the container.
160 The container of claim 15 wherein said mid-section has an equilateral octagonal shape.
17. The container of claim 11 wherein said body is formed from corrugated board.
18. The container of claim 11 wherein said body is formed from a blank of stiff sheet material creased to define said panels with the exception that no creases are formed between said rectangular panels and said further shaped panels to thereby increases the vertical compressive strength of the container.
19. A reinforcing sleeve for a container comprising a body of relatively stiff material including at least six rectangular panels interconnected along opposite edges to form a mid-section which is at least hexagonal in cross-sectional shape, each said rectangular panel having a further shaped panel integrally-connected to and extending along each of its two remaining opposite edges, adjacent ones of said further shaped panels being integrally-interconnected along their adjacent edges and alternate ones there of being triangular panels, said further shaped panels defining end portions of the sleeve which form a polygonal shape at each end of said sleeve, said triangular panels being shaped such that the included angle of each adjacent said ends of said sleeve is about 45°, each said end portion being inwardly or outwardly inclined from its associated rectangular panel to provide a sleeve having increased resistance to bulging and increased axial compressive strength.
20. The sleeve of claim 19 wherein each triangular further panel is inclined outwards from its associated rectangular panel towards the end of the sleeve while the other further panels inclined inwardly from their associated rectangular panels towards the respective end of the sleeve.
21. The sleeve of claim 20 wherein said body is formed from a blank of stiff sheet material creased to define said panels, said blank being die cut at one end to follow the outline of the crease adjacent the opposite end of the blank, said blank having an extended portion from the last mentioned crease, said extended portion being adhered to the outer face of the blank adjacent said die cut and to complete the container.
22. The sleeve of claim 21 wherein said body is formed from a blank of stiff sheet material creased to define said panels with the exception that no creases are formed between said rectangular panels and said further shaped panel to thereby increase the vertical compressive strength of the container.
23. A container comprising a body of relatively stiff material including at least six rectangular panels inter-connected along opposite edges to form a mid-section which is at least hexagonal in cross-sectional shape, each said rectangular panel having a further shaped panel integrally connected to and extending along each of its two remaining opposite edges, said further shaped panels defining end portions of the container which form a polygonal shape at each end of the container, and integral slotted closure flaps extending from each end of the container and shaped to close the ends of the container, said rectangular panels and adjacent said further shaped panels being delineated by crease or like lines while said rectangular panels and said further shaped panels are interconnected by substantially unscored portions of said stiff material, each said end portion being inwardly or outwardly inclined from its associated rectangular panel which, in conjunction with said unscored connection between said rectangular panels and said shaped panels, provides a container having increased resistance to bulging and increased axial compressive strength, adjacent ones of said further shaped panels being integrally connected along their adjacent edges and alternate ones thereof being triangular in shape, said triangular panels being shaped such that the included angle of each adjacent said closure flaps is about 45° to further improve the resistance to bulging and axial compressive strength of the container.
24. A reinforcing sleeve for a container comprising a body of relatively stiff material including at least six rectangular panels interconnected along opposited edges to form a mid-section which is at least hexagonal in cross-sectional shape, each said rectangular panel having a further shaped panel integrally connected to and extending along each of its two remaining opposite edges, said further shaped panels defining end portions of the container which form a polygonal shape at each end of the container, and integral slotted closure flaps extending from each end of the container and shaped to close the ends of the container, adjacent said rectangular panels and adjacent said further shaped panels being delineated by crease or like lines while said rectangular panels and said further shaped panels are interconnected by substantially unscored portions of said stiff material, each said end portion being inwardly or outwardly inclined from its associated rectangular panel which, in conjunction with said unscored connection between said rectangular panels and said shaped panels, provide a container having increased resistance to bulging and increased axial compressive strength, adjacent ones of said further shaped panels being integrally connected along their adjacent edges and alternate ones thereof being triangular in shape, said triangular panels being shaped such that the included angle of each adjacent said closure flaps is about 45° to further improve the resistance to bulging and axial compressive strength of the container.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPE091079 | 1979-10-12 | ||
| AU0910 | 1979-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1163966A true CA1163966A (en) | 1984-03-20 |
Family
ID=3768307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000362273A Expired CA1163966A (en) | 1979-10-12 | 1980-10-09 | Reinforced container |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0027350A1 (en) |
| JP (1) | JPS5684242A (en) |
| CA (1) | CA1163966A (en) |
| FI (1) | FI803211L (en) |
| NZ (1) | NZ195234A (en) |
| PH (1) | PH14614A (en) |
| ZA (1) | ZA806267B (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0226808Y2 (en) * | 1985-11-08 | 1990-07-20 | ||
| JPS6455215U (en) * | 1987-09-30 | 1989-04-05 | ||
| FR2652063B1 (en) * | 1989-09-15 | 1992-01-10 | Nicollet Hugues Sa | PACKAGING IN CARDBOARD, CORRUGATED CARDBOARD OR OTHER SHEET MATERIAL WITH ZIGZAG FOLDING LINES, AND CORRESPONDING BLANK. |
| FR2691947B1 (en) * | 1992-06-04 | 1994-08-05 | Gagnier Sa Cartonnages | CARTON PACKAGING WITH OCTAGONAL TOP SIDE AND LOWER SIDE OR RECTANGULAR OR SQUARE BASE. |
| US5232146A (en) * | 1992-08-19 | 1993-08-03 | Tino Antonacci | Box and blank therefor |
| NZ272400A (en) * | 1995-06-21 | 1998-10-28 | Leer Nz Ltd Van | Container with walls comprising at least two inwardly directed bulges and means to restrain the bulges |
| KR20000064741A (en) * | 1996-03-21 | 2000-11-06 | 포스베르크 라스-에케 | Blanks for Packaging and Packaging |
| ITBO20000609A1 (en) * | 2000-10-18 | 2002-04-18 | Gd Spa | HINGE RIGID PACKAGE FOR CIGARETTES |
| FI20031380A (en) * | 2003-09-25 | 2005-03-26 | Stora Enso Oyj | Liquid packaging of cardboard |
| DE102004057638A1 (en) * | 2004-06-29 | 2006-01-26 | Henkel Kgaa | Powder-tight packaging |
| EP2392517A1 (en) * | 2010-06-07 | 2011-12-07 | Tetra Laval Holdings & Finance S.A. | Sealed package for pourable food products and packaging material for producing sealed packages for pourable food products |
| DE102012204658A1 (en) * | 2012-03-22 | 2013-09-26 | Mondi Ag | Carton blank for forming container, has two wall portions and two curved grooved lines between wall portions, where curved grooved lines extend such that they reduce their distance to each other along wall portions |
| JP2014015256A (en) * | 2012-07-11 | 2014-01-30 | Nihon Tetra Pak Kk | Manufacturing method of packaging container, and packaging container |
| JP2014015255A (en) * | 2012-07-11 | 2014-01-30 | Nihon Tetra Pak Kk | Manufacturing method of packaging container, and packaging container |
| KR102632306B1 (en) * | 2015-11-10 | 2024-01-31 | 한스 우츠 | folding container |
| DE102016003829A1 (en) | 2016-04-04 | 2017-10-05 | Sig Technology Ag | Packing jacket, package and method of making a package |
| DE102016003824A1 (en) | 2016-04-04 | 2017-10-05 | Sig Technology Ag | Packing jacket, packaging and method of making a package |
| DE102016003827A1 (en) | 2016-04-04 | 2017-10-05 | Sig Technology Ag | Blank, packaging sheath, packaging and method of making a blank, a package sheath and a package |
| DE102016003826A1 (en) | 2016-04-04 | 2017-10-05 | Sig Technology Ag | Packing jacket, packaging and method of making a package |
| USD811874S1 (en) | 2016-11-10 | 2018-03-06 | Altria Client Services Llc | Cartridge display package |
| CN107187692A (en) * | 2017-05-12 | 2017-09-22 | 上海普丽盛包装股份有限公司 | A kind of hydraulic seal packing container |
| CN109094932A (en) * | 2018-07-13 | 2018-12-28 | 陕西科技大学 | A kind of enhancing compression strength corrugated case and its Enhancement Method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2067998A (en) * | 1934-01-18 | 1937-01-19 | Marshall I Williamson | Folding box |
| FR1137479A (en) * | 1955-08-09 | 1957-05-29 | Saccar | New packaging |
| FR2068063A5 (en) * | 1969-11-26 | 1971-08-20 | Invention Promotion | Container stiffened by complex creasing and plugs |
| GB1381975A (en) * | 1972-02-05 | 1975-01-29 | Waddington Ltd J | Sheet material and articles such as catons constructed therefrom |
| JPS5533844Y2 (en) * | 1975-06-24 | 1980-08-12 |
-
1980
- 1980-10-08 EP EP80303542A patent/EP0027350A1/en not_active Withdrawn
- 1980-10-09 CA CA000362273A patent/CA1163966A/en not_active Expired
- 1980-10-10 PH PH24700A patent/PH14614A/en unknown
- 1980-10-10 FI FI803211A patent/FI803211L/en not_active Application Discontinuation
- 1980-10-10 NZ NZ195234A patent/NZ195234A/en unknown
- 1980-10-11 JP JP14114980A patent/JPS5684242A/en active Granted
- 1980-10-13 ZA ZA00806267A patent/ZA806267B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PH14614A (en) | 1981-10-08 |
| FI803211L (en) | 1981-04-13 |
| JPH0230932B2 (en) | 1990-07-10 |
| JPS5684242A (en) | 1981-07-09 |
| EP0027350A1 (en) | 1981-04-22 |
| NZ195234A (en) | 1983-03-15 |
| ZA806267B (en) | 1981-07-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |