Method of manufacturing blades for scissors

Details Method of manufacturing blades for scissors Method of manufacturing blades for scissors

1998-09-21

2000-02-08

Watts, Douglas D.

Metal tools and implements, making

Blank or process

Cutlery

761041, 264250, 264275, 264279, B21K 1106

Patent

active

06021693&

ABSTRACT:
A method of manufacturing a blade for scissors includes steps of: fusing an alloy of zinc and aluminum; filling said alloy into a first mould for manufacturing a metal cutter for scissors; applying high temperature and high pressure to the first mould to form a unitary metal cutter; fitting the metal cutter into a second mould for manufacturing a blade; and squirting viscous resin into the second mould to partially enclose the metal cutter, whereby the blade is sharp, lightweight, durable in use and fit for mass production.

REFERENCES:
patent: 2800715 (1957-07-01), Cohen
patent: 4435901 (1984-03-01), Nishikawa
patent: 4778640 (1988-10-01), Braun et al.
patent: 4847030 (1989-07-01), Stalter
patent: 5053178 (1991-10-01), Butlin et al.
patent: 5528833 (1996-06-01), Sakuma
patent: 5758422 (1998-06-01), Frank

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