IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0359869
(1982-03-19)
|
발명자
/ 주소 |
- Perkins
- Jr. David (Des Moines IA)
|
출원인 / 주소 |
- Corrugated Drum Systems, Inc. (Cedar Rapids IA 02)
|
인용정보 |
피인용 횟수 :
35 인용 특허 :
5 |
초록
▼
A carton (20) having a body portion (21) and integral self-locking closures (22, 23) at its ends. The closures have outer flaps (43, 44, 87, 90) and inner flaps (39, 40, 83, 84), with slots (63, 70, 103, 104, 106, 107) to engage lock tabs (61, 62, 66, 67, 74, 75, 81, 82, 112, 113, 116, 117), which r
A carton (20) having a body portion (21) and integral self-locking closures (22, 23) at its ends. The closures have outer flaps (43, 44, 87, 90) and inner flaps (39, 40, 83, 84), with slots (63, 70, 103, 104, 106, 107) to engage lock tabs (61, 62, 66, 67, 74, 75, 81, 82, 112, 113, 116, 117), which retain the closures in closed position. An internal liner (122) may be provided, and certain tabs (212, 213, 216, 217) and slots (203, 204, 206, 207) may be made convergent if desired.
대표청구항
▼
A carton having an integral self-locking end closure, comprising, in combination: a carton body having pairs of opposite panels integral along longitudinal fold lines; outer flaps integral along first transverse fold lines with the panels of a first pair and along second transverse fold lines with f
A carton having an integral self-locking end closure, comprising, in combination: a carton body having pairs of opposite panels integral along longitudinal fold lines; outer flaps integral along first transverse fold lines with the panels of a first pair and along second transverse fold lines with first tab strips having central slots and first outward lock tabs, the panels of said first pair having medial lock slots near said first fold line; and inner flaps integral along third transverse fold lines with the panels of a second pair and along fourth transverse fold lines with second tab strips having second outward lock tabs, said inner flaps having center slots terminating near said fourth transverse fold lines, so that when said inner flaps are folded in the same direction on said third and fourth transverse fold lines said second lock tabs are received in said lock slots of said first pair of panels to pass outward therethrough, and when said outer flaps are then folded in the same direction on said first and second transverse fold lines, said central slots of said first tab strips receive said second tab strips, and said first lock tabs are received in said center slots of said inner flaps to pass inwardly therethrough.
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