Resources Contact Us Home
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
Chair structure
Meter socket cabinet
Additives for oil recovery from reservoirs
Methods, devices and software applications for facilitating a development of a computer program
Polyureas made from aminocrotonates and enaminones
Method for producing interferon alpha 5
Ice tray for refrigerator
  Randomly Featured Patents
Piezoelectrically operated print head with channel matrix and method of manufacture
System and method of analyzing encrypted data in a database in near real-time
Grooved envelope for recapping or retreading tires
Filtering system for swimming pools, with removable manifold assembly and braided filter grid units
Component for a wireless communications equipment card
Circuits for obtaining a voltage reading from a sensing element
Finial for curtain rod
Position detection and external driver multiplexing system for DC motors
Dual-adjustable belt idler
Power sander having a sanding plate locking mechanism