POLYGONAL SHEET AND A 3D STRUCTURE FORMED THEREFROM

• US 20110052838A1
• Filed: 08/28/2008
• Published: 03/03/2011
• Est. Priority Date: 08/29/2007
• Status: Active Grant

• Current Assignee: TEA And Lemon, Ltd.
• Original Assignee: TEA And Lemon, Ltd.
• Inventors: Stein, Anat, Levkovitch, Michael, Kruk, Hadas
• Granted Patent: US 8,697,202 B2
• Time in Patent Office: Days
• US Class Current: 428/12
• CPC Class Codes: A01K 1/0125 Foldable or collapsible litter boxes
• CPC Class Codes: A01K 5/0121 Disposable pet feeders
• CPC Class Codes: A01K 5/0128 Pet feeders including liners; liners therefor; Means for holding liners to pet feeders
• CPC Class Codes: A47G 7/085 made of flexible sheets of non-resilient material
• CPC Class Codes: A47K 11/02 Dry closets, e.g. incinerator closets
• CPC Class Codes: A47K 11/06 Chamber-pots bed pans or other sanitary devices for bed-ridden persons A61G9/00; Throw-away urinals for non-bedridden persons; Chamber-pots for children, also with signalling means, e.g. with a music box, or the like
• CPC Class Codes: Y02A 50/30 Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
• CPC Class Codes: Y10T 428/13 Hollow or container type article [e.g., tube, vase, etc.]
• CPC Class Codes: Y10T 428/1303 Paper containing [e.g., paperboard, cardboard, fiberboard, etc.]

Abstract

A polygonal sheet and a 3D structure formed therefrom, the polygonal sheet having a shape of an annulus sector comprising a first row and a second row, each comprising at least three panels. The 3D structure is formed by folding the sheet along the articulation between the first row and the second row, giving rise to a ridge when in an erect configuration.

Claims

1-23. -23. (canceled)

24. A polygonal sheet having a shape of an annulus sector, comprising a first row and a second row, each comprising at least three panels, each panel having a first edge and a second edge and opposite tapering edges extending therebetween;

wherein

a) the at least three panels in each of the first row and the second row are hingedly articulated to one another through their respective tapering edges coinciding with the radius of the annulus; and

b) the panels of the first row and of the second row are further radially, hingedly articulated through the second edge of the first row and the first edge of the second row, respectively

the polygonal sheet being foldable along the articulation between the first row and the second row, giving rise to a ridge, and wherein the first edge of the first row and the second edge of the second row are substantially leveled and form a base of the structure and the folded polygonal sheet has an inner cavity defined by the panels of the second row, and an external envelope defined by the panels of the first row.

25. The sheet according to claim 24, wherein the polygonal sheet is foldable along the tapering edges of the at least three panels of the first row and the second row such as to assume a folded, bellows-like configuration.

26. The sheet according to claim 24, wherein articulation of each two radially aligned panels extending on the first row and the second row, respectively takes place through an intermediate panel.

27. The sheet according to claim 26, wherein the intermediate panel has a shape of an isosceles such that two neighboring intermediate panels form the shape of a rhombus.

28. The sheet according to claim 24, wherein the articulation between the two rows is fitted with a padding member.

29. The sheet according to claim 24, wherein the sheet further comprises reinforcing layers or ribs.

30. The sheet according to claim 24, deployable between a flat configuration, a bellows-like configuration and an erect configuration formed into a substantially hollow prismoid.

31. The sheet according to claim 24, wherein at least an endmost pair of the radially aligned panels overlaps at least partially at least one of the other pair of radially aligned panels such as to secure the structure in its erect configuration.

32. The sheet according to claim 24, wherein the ridge is straight and a plane defined by said ridges is parallel to a plane defined by the base.

33. The sheet according to claim 24, wherein the ridge is shaped by consecutively articulated isosceles shapes such that every two isosceles shapes form a rhombus-like shape.

34. The sheet according to claim 24, wherein the ridge is fitted with a padding member.

35. The sheet according to claim 24, further comprising at least one fastening arrangement for securement of the folded sheet in its erect configuration.

38. A structure having a substantially hollow prismoid shape, said structure erected from a polygonal sheet having a shape of an annulus sector, said sheet comprising

a first row and a second row, each comprising at least three panels, each panel having a first edge and a second edge and opposite tapering edges extending therebetween;

wherein the at least three panels in each of the first row and the second row are hingedly articulated to one another through their respective tapering edges coinciding with the radius of the annulus; and

the panels of the first row and of the second row are further hingedly articulated through the second edge of the first row and the first edge of the second row, respectively; and

wherein the structure is formed by folding the sheet along the articulation between the first row and the second row, giving rise to a ridge, and

wherein the first edge of the first row and the second edge of the second row are substantially leveled and form a base of the structure.