Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Material Science
Class Information
Number: 164/400
Name: Metal founding > Core centering or supporting means > Collapsible or knock down type core bar
Description: Apparatus wherein the core supporting means is intended to extend inside the core and is constructed to allow a break down or reduction in volume of the means.










Patents under this class:

Patent Number Title Of Patent Date Issued
4217949 Core for the making of castings equipped with slender ducts Aug. 19, 1980
3945429 Decomposable passage-way forming core Mar. 23, 1976
3933453 Flame hydrolysis mandrel and method of using Jan. 20, 1976











 
 
  Recently Added Patents
Fast port switching in an audiovisual receiver by use of port pre-authentication by a partial PHY decoder core
Launch cable case
Shower bench
Method and system for automatically hiding irrelevant parts of hierarchical structures in computer user interfaces
Adapter plate for use in mounting an audio/visual device or the like to a surface
Method and apparatus for focusing electrical stimulation in the brain during electro-convulsive therapy
Testing SQL query writing skills
  Randomly Featured Patents
One-piece container having an integral handle
Head positioning mechanism for rotating disk data storage system
Substituted benzylthiazolidine-2,4-dione derivatives
Pen tracking and low latency display updates on electronic paper displays
Nylon modified acrylic copolymer rubber
Method and system for controlling a driving direction of an electric drive machine
Buffer bridge crane for cargo container handling operations
Cementing system and method for wellbores
Power supply
Method and apparatus for reproducing an image without salt and pepper specks