Method for manufacturing insulated sectional door with extruded spacers
US10030433B1 · kind B1 · utility
0Cited by
17References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 2016 |
| Grant date | Jul 24, 2018 |
| Priority date | — |
| Expiry date | Apr 6, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2003/7023
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method is disclosed for making an improved insulated door panel having an outer and inner spaced apart skins and an internal foam core. The insulated door panel includes a first spacer disposed between a top end of the outer skin and a top end of the inner skin and a second spacer disposed between a bottom end of the outer skin and a bottom end of the inner skin. The first and second spacers include first and second protrusions, respectively, on an inner face of the first and second spacers. The first and second protrusions secure the first and second spacers to the foam core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.