Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Molding machine for making flaskless molds










Image Number 3 for United States Patent #4537238.

The invention discloses a molding machine for making flaskless molds, which has a minimum of structural component groups and units as well as of control devices and adjusting elements. The machine frame is embodied by a closed, symmetrical frame including hollow side parts which receive the pourable molding material and simultaneously perform the functions of tie rods and guidance for the molding flasks. Molding sand blowing-in openings are disposed on the inner walls of the side parts, and the openings are controlled by molding sand openings in the molding flasks in the manner of a valve slide.








 
 
  Recently Added Patents
Method and apparatus for power management control of an embedded memory having sleep and shutdown features
System and method for solving connection violations
Shoe
Security authentication method, apparatus, and system
Information terminal, setting information distribution server, right information distribution server, network connection setting program and method
Personalized health communication system
Method and apparatus for modeling computer program behaviour for behavioural detection of malicious program
  Randomly Featured Patents
CDMA power amplifier design for low and high power modes
Automatic cursor parking to hide a mouse pointer
Control of pump for hydraulic front wheel drive
Push-pull amplifier circuit and operational amplifier circuit using the same
Method and system of ordering visual prints from digital image data
Double seal with lubricant gap between seals for sealed rotary drill bits
Data processor including testing structure for a barrel shifter
Boat locking apparatus
Method for enabling rapid modification of a display controlled by a computer program
Translating repeater system with improved backhaul efficiency