Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Apparatus for molding a formatted substrate for an optical disk










Image Number 7 for United States Patent #5171585.

Improvement in a method for molding a plastic substrate for an optical disk having a concave-convex pattern on a side surface thereof including a step of feeding liquid resin into a molding cavity defined by a pair of mold halves, characterized in that, when the molded plastic substrate is released from the mold halves, the molded plastic substrate is released at least simultaneously in time from both of the mold halves in a mold-opening stage.








 
 
  Recently Added Patents
Circuit and method for generating an AC voltage from a plurality of voltage sources having a temporally variable DC output voltage
Petunia plant named `Bartpet001`
Communication terminal device, and recording medium
Composite conductive pads/plugs for surface-applied nerve-muscle electrical stimulation
System and method for leveraging independent innovation in entertainment content and graphics hardware
Biaxially oriented hydrolysis-stable polyester film comprising epoxidized fatty acid derivatives and a chain extender, and process for production thereof and use thereof
Audio and music data transmission medium and transmission protocol
  Randomly Featured Patents
Position sensor, designed in particular for detecting a steering column torsion
Process for the preparation of hydroxy methylthiobutyric acid esters
Optically active polymers containing methylpinane groups
Crosslinked polymeric ammonium salts
Apparatus for playing a racquet and ball game in a confined space
Liquid crystal display device, method of manufacturing liquid crystal display device and method of designing liquid crystal display device
Set of corner bumpers for a portable computing device
Cathode having a reservoir and method of manufacturing the same
Retractable thrust reversing bucket for boat propeller
Combined display and dispensing stand