Method of making a plastic knuckle pin

Details Method of making a plastic knuckle pin Method of making a plastic knuckle pin

1996-09-19

1998-04-07

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

213155, 264348, B29C 7102, B61G 128

Patent

active

057360880

ABSTRACT:
An improved plastic knuckle pin for a coupler on a railway car and a method of making the improved plastic knuckle pin whereby the improved plastic knuckle pin has a substantially uniform material matrix and the method of making the pin increases uniformity in the material by increasing the surface cooling area which decreases air and moisture pockets in the material during the molding process.

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