
US Patent Application No: 2007/0187,522
Number of patents in Portfolio can not be more than 2000
Composite railroad tie and method of manufacture
Stats
-
Aug 16, 2007
Publication date -
Apr 12, 2006
filing date -
11/402,500
serial no -
ABAN
status
Importance
Loading Importance Indicators...
Abstract
An improved mold and method of manufacture for an improved railroad tie or other structural member. The improved railroad tie or structural member being fabricated using an injection molding process with various thermoplastic resins and fillers. The improved mold used has a cooling cavity which helps cool the structural member while still in the mold. The improved insert allows an automated molding system to be used for greater production rates.
Loading the Abstract Image...
First Claim
Related Publications
Loading Related Publications...
International Classification(s)
- [Classification Symbol]
- [Patents Count]