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US 9,032,621 B2Granted
Casting method for manufacturing a work piece
AssigneeSiemens Aktiengesellschaft
InventorKarsten Schibsbye
Life of this patent
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Abstract
A method for manufacturing a work piece is provided. The method includes preparing fiberglass in a mold, preparing a closed mold cavity around the fiberglass, flushing the closed mold cavity with an oxygen-free gas, injecting resin in the closed mold cavity, and curing the casted work piece. Furthermore, a work piece manufactured by the above method is provided.
Claims10
A method for manufacturing a work piece comprising:
- preparing fibreglass in a mould;
- preparing a closed mould cavity around the fiberglass,
- flushing the closed mould cavity with a substantially oxygen-free gas, wherein the closed mould cavity is flushed with the substantially oxygen-free gas until the concentration of oxygen in a gas which is leaving the closed mould cavity during the flushing with the substantially oxygen-free gas is below a predefined value,
- after the flushing, injecting a resin in the closed mould cavity to form a casted work piece, and
- curing the casted work piece.
2 more elements
Dependencies are inferred from the claim text.