Method and plant for the production of a casing for a solid-propellant engine, and casing made according to said method
US8465820B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Nov 2, 2011 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Nov 2, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1386
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A casing of a solid-propellant engine comprising a core and a layer of elastomeric material, set as coating for at least part of the core to provide a thermal protection of the core itself is obtained by: inserting the core in a forming mold so as to make within the mold two annular chambers separated from one another by the core; forming a strand of elastomeric material; obtaining a defined portion of elastomeric material by cutting the strand transversely to size in an external environment; and injecting the cut portion of elastomeric material simultaneously within both of the annular chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.