Stretchable surfaces with programmable texture
US11077587B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2018 |
| Grant date | Aug 3, 2021 |
| Priority date | — |
| Expiry date | Jan 30, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/702
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present disclosure may be embodied as a method for creating a restriction pattern from a mask material having a strain (εmask) an for mapping elastomeric membrane having a strain (εmembrane) into a target 3D shape. The method may include discretizing the target 3D shape into a plurality of radial segments, and a radial strain (εr) is determined for each radial position (r) on each radial segment of the plurality of radial segments. A restriction pattern is determined, wherein the restriction pattern comprises a quantity of mask material for each position r to provide a composite strain (εmask, εsilicone). In some embodiments, the method further includes depositing a first membrane layer into a mold and placing mask material into the first membrane layer according to the determined restriction pattern. The first membrane layer is cured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.