Package of specialty roofing materials, insert therefore and method of packaging
US7565971B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2006 |
| Grant date | Jul 28, 2009 |
| Priority date | — |
| Expiry date | Sep 5, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D81/113
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A package is provided, of specialty roofing materials, including a plurality of stacked shingles in the package, in nested relation, with the shingles being of variable thickness from one end to the other in one or more stacks, as packaged, to be of “V” configuration, and of various selected orientations, and forming a substantially hollow zone, with at least one insert structure to fill the hollow zone and provide support for the end shingle in the stack. The at least one insert structure may be constructed of various materials, such as folded cardboard, cellular foam or the like. Filler material may be provided in the package, for any voids between the stack of shingles and the upper end of the package.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.