Molded plastic article having metallic inserts

Details Molded plastic article having metallic inserts Molded plastic article having metallic inserts

1982-07-14

1985-06-25

Lesmes, George F.

Cutlery

Cutting tools

With guard and/or guide

30294, 428461, 428457, 264250, 264275, B26B 2900, B32B 1508, B32B 1504

Patent

active

045245169

ABSTRACT:
A composite article of this invention is made by successive molding steps and comprises an insert assembly that includes a metallic portion and a plastic locating framework in which the metallic portion is precisely mounted with respect to references points on the locating framework. The locating framework is mounted within a housing with the insert assembly precisely positioned with respect to the housing to cause the metallic portions to be substantially precisely positioned with respect to an external surface of the housing. In one embodiment, which is a hand tool that is moved slidably along a connector to sever conductors, a cutting blade is substantially precisely positioned in the locating framework of the insert assembly. Plastic is flowed about the framework in a mold cavity to form the housing. Since the framework is positioned substantially precisely with respect to mold surfaces which define the housing, the cutting blade is substantially precisely positioned with respect to an external surface of the housing and avoids damage to the connector when the tool is moved therealong.

REFERENCES:
patent: 2610399 (1952-09-01), Adams et al.
patent: 3983205 (1976-09-01), Barrett
patent: 3991146 (1976-11-01), Barrie
patent: 4291463 (1981-09-01), Williams

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