FREIGHT CAR YOKE MOLDING APPARATUS AND METHOD
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United States of America Patent
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N/A
Issued Date -
Feb 6, 2014
app pub date -
Oct 1, 2013
filing date -
Jul 16, 2008
priority date (Note) -
Published
status (Latency Note)
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Abstract
An apparatus and method for molding a freight car yoke with a one piece core is disclosed herein. An exemplary one piece core may be used with a core mold upper half and a core mold lower half mated at a common split line to define a mold cavity which replicates the molded exterior features of a freight car yoke. The one piece core may replicate all of the molded internal features of a freight car yoke. An apparatus may use a pair of one piece cores to produce a pair of freight car yokes. An exemplary method can utilize the apparatus to produce a pair of freight car yokes through a single pour, using a pair of one piece cores. In an exemplary embodiment the one piece cores are constructed from a cold box with phenolic urethane treated molding sand.
First Claim
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Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| US | B1 | US8627875 | Jul 16, 2009 |
International Classification(s)
- 2013 Application Filing Year
- B22D Class
- 363 Applications Filed
- 318 Patents Issued To-Date
- 87.61 % Issued To-Date
Cited Art Landscape
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- 0 Citation Count
- B22D Class
- 0 % this patent is cited more than
- 11 Age