Multilayer dose
US7968162B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 26, 2005 |
| Grant date | Jun 28, 2011 |
| Priority date | — |
| Expiry date | Feb 26, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31504
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A dose of multilayer synthetic resin for the realization of multilayer objects by compression molding, said dose having an axis of symmetry and comprising a first synthetic resin (2) and at least one fine functional layer (3) of synthetic resin forming the outer shell of a body of revolution defined about said axis of symmetry, said body of revolution comprising two ends disposed in a direction parallel to the axis of symmetry, said dose being characterized in that the functional layer (3) is imprisoned in said first synthetic resin (2), totally or in such a way that no more than a single one of said ends is not imprisoned in said first resin (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.