IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0654486
(2003-09-04)
|
등록번호 |
US-7481354
(2009-01-27)
|
우선권정보 |
JP-2003-018108(2003-01-28); JP-2003-193461(2003-07-08) |
발명자
/ 주소 |
- Kawagoe,Masahiro
- Kato,Masako
|
출원인 / 주소 |
|
대리인 / 주소 |
Birch, Stewart, Kolasch & Birch, LLP
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
9 |
초록
▼
A packaging container includes: first fold sections for folding therealong, each of the first fold sections being provided longitudinally in a substantially central part of the first opposing side plate; second fold sections for folding therealong, each of the second fold sections being provided on
A packaging container includes: first fold sections for folding therealong, each of the first fold sections being provided longitudinally in a substantially central part of the first opposing side plate; second fold sections for folding therealong, each of the second fold sections being provided on the first bottom plate forming flap as an extension of the first fold section; and third fold sections for folding therealong, each of the third fold sections being provided on the first top cover forming flap as an extension of the first fold section. The second opposing side plate is equal to or smaller than the first opposing side plate in width. This makes it possible to fold up the packaging container easily and compactly.
대표청구항
▼
What is claimed is: 1. A packaging container, comprising: a pair of first opposing side plates; a pair of second opposing side plates, an inner surface of the pair of first opposing side plates and an inner surface of the pair of second opposing side plates surrounding a package space in a develope
What is claimed is: 1. A packaging container, comprising: a pair of first opposing side plates; a pair of second opposing side plates, an inner surface of the pair of first opposing side plates and an inner surface of the pair of second opposing side plates surrounding a package space in a developed state; a pair of first bottom plate forming flaps for forming a bottom plate, each of the first bottom plate forming flaps being connected to a lower end of a respective one of the pair of first opposing side plates; and a pair of first top cover forming flaps for forming a top plate, each of the first top cover forming flaps being connected to an upper end of a respective one of the pair of first opposing side plates, wherein the first opposing side plates are each respectively provided with a longitudinal fold section thereacross so as to cross a substantially central part of the respective first opposing side plate, each of the respective longitudinal fold sections extending continuously across the respective first bottom plate forming flap and the respective first top cover forming flap, the first opposing side plates being folded at the longitudinal fold sections to place the packing container in a collapsed state, and wherein at least one of a second bottom plate forming flap and a second top cover forming flap which are respectively connected to a lower end and an upper end of at least one of the pair of second opposing side plates is provided with a lateral fold section which is substantially parallel to a connection line between the at least one second opposing side plate and the at least one flap, the lateral fold section defining a leading end part, and wherein, in the collapsed state, the leading end part, formed by folding the at least one of the second bottom plate forming flap and the second top cover forming flap at the lateral fold section, makes contact with and engages the inner surfaces of the folded opposing first opposing side plates to maintain the collapsed state. 2. The packaging container according to claim 1, wherein: each of the first top cover forming flaps connected to the upper ends of the first opposing side plates is provided with a slit, and the second top cover forming flap connected to the upper end of at least one of the second opposing side plates is provided with a tab for inserting into the slit to hold the first and second top cover forming flaps when the packaging container is assembled. 3. The packaging container according to claim 1, wherein: a length of the second top cover forming flap is substantially equal to a length of at least one the pair of first top cover forming flaps, and at least one flap of the pair of first top cover forming flaps and the second top cover forming flap has a gradually decreasing width with increase in length extending from the upper end of a respective first or second opposing side plate. 4. The packaging container according to claim 3, wherein: when the first and second top cover forming flaps are folded until contacting respective inner surfaces of the first and second opposing side plates, a distance when leading end corner parts of the first and second top cover forming flaps are the closest to each other is set to fall within a range from 5 mm to 20 mm. 5. The packaging container according to claim 1, wherein: a pair of second top cover forming flaps extend from respective upper ends of the pair of second opposing side plates, a length of one of the pair of second top cover forming flaps is substantially equal to a length of one of the pair of first top cover forming flaps, and at least one flap of the first pair of first top cover forming flaps and the pair of second top cover forming flaps has a gradually decreasing width with increase in length extending from the upper end of a respective first or second opposing side plate. 6. The packaging container according to claim 5, wherein: when the first and second top cover forming flaps are folded until contacting respective inner surfaces of the first and second opposing side plates, a distance when leading end corner parts of the first and second top cover forming flaps are the closest to each other is set to fall within a range from 5 mm to 20 mm. 7. The packaging container according to claim 1, wherein: the first opposing side plates are folded towards an inside of the packaging container along the longitudinal fold section. 8. A packaging container, comprising: a pair of first opposing side plates; a pair of second opposing side plates, an inner surface of the pair of side opposing side plates and an inner surface of the pair of second opposing side plates surrounding a package space in a developed state; a pair of first bottom plate forming flaps for forming a bottom plate, each of the first bottom plate forming flaps being connected to a lower end of a respective one of the pair of first opposing side plates; a pair of first top cover forming flaps for forming a top plate, each of the first top cover forming flaps being connected to an upper end of a respective one of the pair of first opposing side plates; first fold sections for folding therealong, each of the first fold sections being provided longitudinally in a substantially central part of the first opposing side plates; second fold sections for folding therealong, each of the second fold sections being provided on a respective one of the pair of first bottom plate forming flaps as an extension of a respective first fold section; and third fold sections for folding therealong, each of the third fold sections being provided on a respective one of the pair of first top cover forming flaps as an extension of a respective first fold section; wherein, the pair of first opposing side plates, the pair of first bottom plate forming flaps, and the pair of first top cover forming flaps being folded at the first fold sections, the second fold sections, and the third fold sections, respectively, to place the packing container in a collapsed state, wherein at least one of a second bottom plate forming flap and a second top cover forming flap which are respectively connected to a lower end and an upper end of at least one of the pair of second opposing side plates is provided with a lateral fold section which is substantially parallel to a connection line between the at least one second opposing side plate and the at least one flap, the lateral fold section defining a leading end part, and wherein, in the collapsed state, the leading end part, formed by folding at least one of the second bottom plate forming flap and the second top cover forming flap at the lateral fold section, makes contact with and engages the inner surfaces of the folded opposing first opposing side plates and makes contact with and engages one of the second bottom plate forming flap and the second top cover forming flap which are folded inside and are connected to the opposing second opposing side plates to maintain the collapsed state. 9. The packaging container according to claim 8, further comprising: an explanation section, which is provided on at least one of the second opposing side plates, for explaining how to fold up the packaging container. 10. The packaging container according to claim 8, further comprising: a mark section for specifying a part to be folded, the mark section being provided in at least one of (i) an end part of a first fold section on at least one of the pair of first opposing side plates, (ii) an end part of a second fold section on at least one of the pair of first bottom plate forming flaps, and (iii) an end part of a third fold section on at least one of the pair of the pair of first top cover forming flaps. 11. The packaging container according to claim 8, wherein: the first opposing side plates are folded towards an inside of the packaging container along the longitudinal fold section. 12. The packaging container according to claim 8, wherein: the second opposing side plate are equal to or smaller than the first opposing side plates in width. 13. A method for folding up a packaging container that includes, a pair of first opposing side plates, a pair of second opposing side plates including a first plate and a second plate opposing the first plate, bottom plate forming flaps connected to respective lower ends of the first and second opposing side plates, top cover forming flaps connected to respective upper ends of the first and second opposing side plates, and longitudinal fold sections provided across the first opposing side plates, the bottom plate forming flaps connected to the lower end of the first opposing side plates, and the top cover forming flaps connected to the upper end of the first opposing side plates, the longitudinal fold sections being substantially orthogonal to respective connection lines between the first opposing side plates and the bottom plate forming flaps and between the first opposing side plates and the top cover forming flaps; and a lateral fold section provided on at least one of a top cover forming flap connected to an upper end of the first plate and a bottom cover forming flap connected to a bottom end of the first plate, the lateral fold section being substantially parallel to a respective connection line between the first plate and the top cover forming flap and the bottom cover forming flap connected to the first plate, the lateral fold section defining an insertion piece, the method comprising: folding a bottom plate forming flap and a top cover forming flap respectively connected to a lower end and an upper end of the second plate so as to overlap an inner surface of the second plate; folding each of the bottom plate forming flaps and each of the top cover forming flaps respectively connected to the lower ends and the upper end of the first opposing side plates so as to overlap inner or outer surfaces of the first opposing side plates; folding the first opposing side plates, the bottom plate forming flaps connected to the first opposing side plates and the top cover forming flaps connected to the first opposing side plates along the longitudinal fold sections towards an inside of the packaging container in a form of the letter V to place the packing container in a collapsed state; and maintaining the collapsed state by inserting the insertion piece between a gap defined by the folded bottom plate forming flap or the folded top cover forming flap connected to the second plate, and also defined by inner surfaces of the folded first opposing side plates or one of the folded bottom forming flaps and the folded bottom forming flaps connected to the first opposing side plates. 14. The method according to claim 13, wherein: the packaging container includes an explanation section, which is provided on at least one of the second opposing side plates, for explaining how to fold up the packaging container. 15. The method according to claim 13, wherein: the packaging container includes a mark section for specifying a part to be folded, the mark section being provided on at least one of the longitudinal fold sections provided across the first opposing side plates, the bottom plate forming flaps connected to the lower end of the first opposing side plates, and the top cover forming flap connected to the upper end of the first opposing side plates. 16. A method for folding up a packaging container that includes, a pair of first opposing side plates, a pair of second opposing side plates, bottom plate forming flaps connected to respective lower ends of the first and second opposing side plates, top cover forming flaps connected to respective upper ends of the first and second opposing side plates, and longitudinal fold sections provided across the first opposing side plates, the bottom plate forming flaps connected to the lower end of the first opposing side plates, and the top cover forming flaps connected to the upper end of the first opposing side plates, the longitudinal fold sections being substantially orthogonal to respective connection lines between the first opposing side plates and the bottom plate forming flaps and between the first opposing side plates and the top cover forming flaps; and a lateral fold section provided on a top cover forming flap connected to an upper end of at least one of the second opposing side plates and a bottom cover forming flap connected to a lower end of said at least one of the second opposing side plates, the lateral fold section being substantially parallel to a respective connection line between a respective one of the second opposing side plates and the flap on which the lateral fold section is provided, the lateral fold section defining an insertion piece, the method comprising: folding a bottom plate forming flap and a top cover forming flap respectively connected to a lower end and an upper end of the other of the second opposing side plates so as to overlap an inner surface of said the other of the second opposing side plates; folding each of the bottom plate forming flaps and each of the top cover forming flaps respectively connected to the lower ends and the upper end of the first opposing side plates so as to overlap inner or outer surfaces of the first opposing side plates; folding the first opposing side plates, the bottom plate forming flaps connected to the first opposing side plates and the top cover forming flaps connected to the first opposing side plates along the longitudinal fold sections towards an inside of the packaging container in a form of the letter V to place the packing container in a collapsed state; and maintaining the collapsed state by inserting the insertion piece between a gap defined by the folded bottom plate forming flap or the folded top cover forming flap connected to said the other of the second opposing side plates, and also defined by inner surfaces of the folded first opposing side plates or one of the folded bottom forming flaps and the folded bottom forming flaps connected to the first opposing side plates.
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