Wide-folding hinge

Details

Inventors: Kantz, John F.;
Assignee: Union Carbide Corporation (New York, NY)
Primary Examiner: Moorhead; Davis T.
Assistant Examiner:
Attorney, Agent or Firm: Vicari; Clement J.

A wide-folding, linearly-hinged assembly of sheet members secured to each other in areas other than in the vicinity of the hinge is disclosed comprising: an inner sheet member having at least one ply and a female linear score on the inner side thereof; and an outer sheet member having at least one ply and at least four linear female scores arranged in pairs on opposed sides of said member, each of said outer scores bridging its paired inner score and said opposed pairs bridging said score of said inner sheet member.

DETAILED DESCRIPTION What is claimed is: 1.
A wide-folding, linearly-hinged assembly of sheet members secured to each other in areas other than in the vicinity of the hinge comprising: an inner sheet member having at least one ply and a female linear score on the inner side thereof; and an outer sheet member having at least one ply and at least four linear female scores arranged in pairs on opposed sides of said member, each of said outer scores bridging its paired inner score and said opposed pairs bridging said score of said inner sheet member.
2.
An article of manufacture having at least two wide-folding, linearly-hinged assemblies in accordance with claim 1.
3.
An article of manufacture in accordance with claim 2, wherein said assemblies are positioned at opposite ends of said article when said article is in the lay-flat position.
4.
An article of manufacture in accordance with claim 2 in which said sheet members are constructed of corrugated paper board.
5.
An article of manufacture in accordance with claim 2, wherein said article comprises a portion of a box or container.

Description:
The present invention relates to a novel wide-folding, linearly-hinged assembly of sheet members particularly useful for employment with structural articles such as boxes, containers and the like.
Corrugated structural board or stock such as for boxes, containers and the like have normally been fabricated at one location and shipped in lay-flat position to the point of use of the article where they are assembled in the open position for use.
These articles include linearly-hinged assemblies of sheet members.
Conventional scoring techniques used in such fabrication involve a single-profile (male) scoring head and a female anvil or surface.
The corrugated board or stock transverses between the scoring head and anvil which are each mounted on a rotary axis.
This conventional scoring method results in difficulty with alignment when the board is laminated to other boards, is difficult to fold over on itself and contributes to the fracturing of the outer boards when folded in a lay-flat position for storage and shipping

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