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US 7,596,857 B2Granted
Method for manufacturing a keyboard
AssigneeWistron Corporation
InventorsChih-Feng Yeh, Jen-Min Huang, Shih-Lin Chiu
Life of this patent
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Abstract
A method manufactures a keyboard with injecting keys and an inmold metal sheet. The bottoms of grooves of the keys are combined with an elastic material layer to form a keyboard. The metal layer is disposed at a surface of said keyboard.
Claims8
A method for manufacturing a keyboard by injecting keys with an inmold metal sheet, allowing a metal sheet to be formed at a surface of a key to enable a keyboard with said metal keys to have better quality, comprising the following steps:
- (1) utilizing drawing technology to cause a metal sheet to form a plurality of projection portions;
- (2) placing said metal with said projection portions into an injection mold and then allowing a plastic material to be injected out via a injection tunnel of said injection mold to fill in an inner part of said projection portions;
- (3) allowing said metal sheet with said inner part of each said projection portion combined with said plastic material to be cut out by a stamping jig to form a plurality of separated keys;
- and
- (4) allowing said keys to be respectively placed into a plurality of grooves of a combination jig and allowing bottoms of said keys to be combined with an elastic material layer to form a keyboard with said metal sheet disposed at surfaces of said needed keys.
2 more elements
Dependencies are inferred from the claim text.