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US 6,973,855 B2Granted
Method for manufacturing hair clipper blade
AssigneeMatsushita Electric Works, Ltd.
InventorsMasami Yanosaka, Yoshifumi Nishimura
Life of this patent
Estimating the term…
Abstract
A method for manufacturing a hair clipper blade includes providing a blank with a comb teeth shaped cutting edge portion, and forging the cutting edge portion to have an acute tip angle.
Claims14
A method for manufacturing a hair clipper blade, comprising:
- providing a blank with a comb teeth shaped cutting edge portion;
- and
- forging the cutting edge portion to have an acute tip angle.
A method for manufacturing a hair clipper blade, comprising:
- positioning a blank in a forward-feed mold;
- providing the blank with a comb teeth shaped cutting edge portion;
- moving the blank with the cutting edge portion to a next position;
- and
- forging the cutting edge portion to have an acute tip angle at the next position.
2 more elements
A method for manufacturing a hair clipper blade, comprising:
- a step for providing a blank with a comb teeth shaped cutting edge portion;
- and
- a step for forging the cutting edge portion to have an acute tip angle.
Dependencies are inferred from the claim text.