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Carton and carton blank

a carton and end-to-side technology, applied in the field of carton and end-to-side blanks, to achieve the effect of easily puncturing the thumb tab and opening the carton end

Inactive Publication Date: 2006-03-09
P & I
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The present invention provides a carton with an additional flap that can be opened and locked into place as a resealing feature for the open carton end. The carton can be opened easily using a thumb tab and the extra flap can be used multiple times to reseal the carton end. The carton blank includes side panels and end flaps with the additional flap hinged to one end flap and a line of weakness linking the other end flap to a contiguous side panel. The carton blank can be produced with the extra flap already folded back and in some cases glued so that it fits any suitable carton erection machine without modification. The invention provides a convenient and easy-to-use carton design for the pharmaceutical manufacturer."

Problems solved by technology

However, the extra flap may be used by the consumer to reseal the carton end multiple times.

Method used

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  • Carton and carton blank
  • Carton and carton blank
  • Carton and carton blank

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] Referring to the drawings, FIG. 1 shows the front face of a carton blank 10 prior to assembly. The carton blank is made from a sheet of material, typically cardboard, by the usual techniques of cutting and scoring. The carton blank 10 includes four side panels 12, 14, 16, 18, larger and smaller end flaps 20A to D, 22 respectively and a flap 24 for joining side panel 12 to side panel 18 prior to erection and closure of the carton. The blank also includes two significant features not present in a typical glue end carton blank. The first feature is a perforated line of weakness 26 between one larger end flap 20A and side panel 14 which incorporates a semicircular tab portion 28. The second feature is an additional further flap 30 foldably connected / hinged to end flap 20B of the carton blank.

[0036]FIG. 2 shows the carton assembled prior to erection and closure, by gluing flap 24 to the rear face of flap 12. FIG. 2 illustrates that the additional flap 30 has been folded over thro...

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PUM

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Abstract

A carton of a traditional glue end type contains an additional flap which is revealed when the end of the carton is opened and which allows the consumer to lift and lock it into place as a resealing feature for the open carton end. The additional flap is folded through 180° and is be held down behind an end flap of the carton with a small glue spot. A zone of weakness is defined in the carton to allow easy opening of the end of the carton at the correct place for proper functioning of the additional flap. Advantageously, a consumer may easily open the carton end since the consumer can easily puncture the zone of weakness. However, the extra flap may be used by the consumer to reseal the carton end multiple times.

Description

FIELD OF THE INVENTION [0001] This invention relates to a carton and to a carton blank. In particular, the application relates to a carton which is particularly suited for use in the pharmaceutical industry but which may also be used in other areas. BACKGROUND OF THE INVENTION [0002] Many cardboard cartons are manufactured in the well known “glue end” format. As the name suggests, in the “glue end” format, to seal the ends of a carton, one end flap overlaps and is glued to another end flap. Typically the largest two end flaps at each end, are glued together in this format. Such a format allows the manufacturer, such as a pharmaceutical manufacturer to insert their product and close the ends of the carton using glue. Although this form of carton closure is not considered to be tamper evident, it does address a number of issues related to product tampering and pilfering during the distribution cycle. [0003] Boxes used to distribute medications are usually in the conventional rectangul...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B65D5/00B65D17/00
CPCB65D5/5425
Inventor SHAW, PETER
Owner P & I