Injection molding method
AssigneeKing Steel Machinery Co., Ltd.
InventorsLiang-Hui Yeh, Ching-Hao Chen
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Abstract
An injection molding method includes providing a molding device including a first mold, a second mold over the first mold and a first mold cavity defined by the first mold and the second mold; injecting a first material into the first mold cavity; forming a first layer from the first material; replacing the second mold by a third mold; injecting a second material into a second mold cavity defined by the first mold and the third mold; and forming a second layer from the second material disposed over the first layer, wherein the first material is different from the second material.
Claims10
An injection molding method, comprising:
- providing a first carrier and a second carrier disposed adjacent to the first carrier, a first upper mold held by the first carrier, and a second upper mold held by the second carrier;
- disposing a first lower mold under the second upper mold;
- conveying the first lower mold from the second carrier to the first carrier to dispose the first lower mold under the first upper mold;
- injecting a first material into a first mold cavity defined by the first lower mold and the first upper mold after the first lower mold is disposed under the first upper mold;
- forming a first layer from the first material injected into the first mold cavity;
- conveying the first lower mold holding the first layer from the first carrier to the second carrier to dispose the first lower mold under the second upper mold and define a second mold cavity by the first lower mold and the second upper mold;
- injecting a second material into the second mold cavity;
- and
- forming a second layer from the second material disposed over the first layer.
Dependencies are inferred from the claim text.