Method for connecting several plastic components through injection molding around the sprue
AssigneeKrauss-Maffei Kunststoffechnik GmbH
InventorPeter Lichtinger
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Abstract
A method of producing molded parts from several components in plastics processing machines is described, whereby for each component plasticized plastic material is injected into cavities formed by two mold halves, and whereby a sprue element (4) is provided at least for the first component (1). The sprue element of at least the first component remains on the molded part and is molded around, entirely or partially, by the next component during one of the following working cycles. This saves additional working steps for the removal of the sprue and prevents possible impurities of the environment, especially in the case of brittle material,
Claims10
Method for making molded parts having several components in a plastics processing machine, comprising
- injecting plasticized plastic material through a sprue for at least a first component in cavities formed by two mold halves to form at least the first molded component with an integrally formed sprue element disposed on at least the first molded component, and
- in a subsequent processing step, injecting on the same side of the sprue plasticized plastic material for at least one additional component and molding the plasticized plastic material for the at least one additional component at least partially around the sprue element.
Dependencies are inferred from the claim text.