Apparatus for preforming at least a portion of a material
US11780151B2 · kind B2 · utility
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22References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2020 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Jul 2, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/0872
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Apparatus and methods of stretch-forming material are provided. In one example embodiment, a variable material stretch-forming apparatus comprises a stretch-forming assembly configured to stretch-form at least one section of a sheet of material to a longer length than at least one other section of the sheet of material before the sheet of material is applied to a tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.