Athletic training shoe inserts and method of fabrication

Details Athletic training shoe inserts and method of fabrication Athletic training shoe inserts and method of fabrication

2011-01-11

2011-01-11

Choi, Ling-Siu (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C036S132000

Reexamination Certificate

active

07868077

ABSTRACT:
An athletic training shoe weighted insert including a metallic powder filled thermoplastic elastomer is formed. A method of manufacturing the athletic training shoe weighted insert with a desired softness or durometer and a desired specific gravity includes the steps of selecting a metallic powder filler, with a desired specific gravity, and a thermoplastic elastomer, and a plasticizer that will produce the desired softness of the weighted insert. The method includes a compounding step of combining the thermoplastic elastomer, metallic powder and plasticizer into a pelletized compound with a desired quantity or percentage of the metallic powder filler to bring the specific gravity to the desired level and to achieve the desired softness. In a preferred embodiment the pelletized compound is then formed into the finished insert by use of the plastic injection molding process.

REFERENCES:
patent: 2006/0003160 (2006-01-01), Goldberg
patent: 2100969 (1983-01-01), None

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