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US 9,067,348 B2Granted
Method for manufacturing blow molds
AssigneeKrones AG
InventorThomas Albrecht
Life of this patent
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Abstract
A method for manufacturing segmented blow molds for plastic containers, where blow mold preforms are manufactured by flame-spraying at least one metal-containing and/or ceramic-containing layer on a negative model of at least one segment of the blow mold to be manufactured, and the at least one layer is then detached from the negative model, thereby providing a particularly simple and repeatable manufacturing of blow molds.
Claims15
A method for manufacturing blow molds for plastic containers, comprising:
- manufacturing at least two blow mold preforms enclosing complementary partial cavities of the blow molds, by flame-spraying at least one layer containing one or more of a group of metal, ceramic, and plastic on a negative model of at least one segment of the blow mold to be manufactured, and detaching the at least one layer from the negative model;
- and
- forming complementary blow mold segments by placing the blow mold preforms in outer mold shells and connecting thereto by at least one of:
- a positive fit, and a back-filling with a back-fill material comprising at least one or more of a metal-containing resin, a metal alloy, and a metal-containing foam.
1 more element
Dependencies are inferred from the claim text.