SIMULATED PREWRAP CARTON AND AUTOMATIC LOCK BOTTOM ARRANGEMENT

• US 3,790,064 A
• Filed: 01/12/1972
• Issued: 02/05/1974
• Est. Priority Date: 01/12/1972
• Status: Expired due to Term

• Current Assignee: Smurfit Diamond Packaging Corporation
• Original Assignee: Robert G. Kramer
• Inventors: Kramer, Robert G.
• Primary Examiner(s): Lowrance, George E.
• Assistant Examiner(s): Marcus, Stephen
• Application Number:
  US05/217,100
• Time in Patent Office: 755 Days
• Field of Search: 229/38,39R,41R,41B,87R
• US Class Current: 229/117
• CPC Class Codes: B65D 5/106 the opening being a slot
• CPC Class Codes: B65D 5/62 External coverings or coatings B65D5/4245, B65D5/4262 take precedence
• CPC Class Codes: Y10S 229/923 Gift wrapped

Abstract

A carton member erectable from a collapsed condition comprising a bottom construction which automatically unfolds itself and locks the carton in erected condition on application of force to opposite folded edges thereof and a blank for assembly of such a carton member. The carton is provided with outer wrapping material adhered to the outer surfaces of the blank to afford a simulated gift wrapped package when the carton member is in erected condition.

Claims

1. A carton member including an automatic lock bottom construction, said carton member comprising four main panels integrally hinged to each other and erectable from a collapsed condition into a locked erected condition, one pair of said main panels being in opposed relationship to each other and having identical bottom lock means extending therefrom and a second pair of said main panels being iN opposed relationship to each other and having identical bottom support means extending therefrom, said lock means including a bottom lock flap with a projecting finger-like tab, and a hook tab separated from each other by a cut-out slot, said bottom support means including a generally triangular portion with a foldable extending integral therewith and terminating in a generally rectangular projection, and each of said hook tabs and said generally rectangular projection of one of said bottom support means are formed with congruent cutaway shoulders and are adhesively secured to each other, whereupon in the erection of said carton member each of said adhesively secured hook tabs and adjacent generally rectangular projection conjointly lift each other and unfold from against the respective main panels thereof.

2. The carton member as recited in claim 1 wherein in its erected condition each hook tab is received in the cut-out slot of the other lock flap and overlies a neck portion of the other lock flap.

3. The carton member as recited in claim 2 wherein in its erected condition each finger-like tab assumes an overlying relationship with the other lock flap over a shoulder portion thereof.

4. The carton member as recited in claim 3 wherein said member has adhered to the outer surface thereof a cover material which in the erected condition of said carton member affords the effect of a suitable wrapped packaged gift.

5. The carton member as recited in claim 3 wherein said member is assembled from a blank comprising glue panels integrally hinged to free edges of opposite outer ones of said four main panels.

6. The carton member as recited in claim 3 wherein said member further comprises top side flaps extending from a pair of opposite ones of said main panels, a top cover flap extending from a third one of said main panels, and a lock panel extending from a fourth one of said main panels.

7. The carton member as recited in claim 6 wherein said cover includes a lock slot and said lock panel includes an insert lock tab for cooperation with said lock slot.