Tubular carton

• US 4,109,848 A
• Filed: 02/03/1977
• Issued: 08/29/1978
• Est. Priority Date: 02/03/1976
• Status: Expired due to Term

• Current Assignee: Container Corporation of America (Smurfit-Stone Container Corporation)
• Original Assignee: Container Corporation of America (Smurfit-Stone Container Corporation)
• Inventors: Kipp, Michael A., Brauner, Arne H.
• Primary Examiner(s): Garbe, Stephen P.
• Application Number:
  US05/765,241
• Time in Patent Office: 572 Days
• Field of Search: 229/4.5, 229/21, 229/41 C, 229/41 B, 229/41 D
• US Class Current: 229/104
• CPC Class Codes: B65D 3/02 characterised by shape

Abstract

A tubular carton is formed from a blank of paperboard and has a side wall interconnected to a bottom wall by intermediate panels. The intermediate panels are joined to the bottom wall along convex/concave score lines.

Claims

1. A tubular carton formed from a cut and scored blank of paperboard, or the like, comprising:

(a) a side wall formed from a plurality of body panels arranged in a side-by-side relation, with adjoining panels being foldably connected to each other along a score line;

(b) a recessed, concavely depressed bottom wall formed from at least two ovelapping bottom panel portions secured to each other;

(c) each of said body panels being connected to a corresponding one of said bottom panel portions by an intermediate panel;

(d) said intermediate panel and said body panel being substantially of equal length and being foldably connected along the entire length of their adjacent edges;

(e) said intermediate panel being foldably connected to a bottom panel portion along a concave/convex fold line;

(f) said side wall having remote side edges secured to each other in an overlapped relation to form a tubular structure collapsible into a substantially flat configuration.