49592 ⎘
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor; Component parts, details or accessories; Auxiliary operations; Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs The thickness of the mould cavity being changeable in radial direction
OPTICAL DATA RECORDING DISC WITH PROTRUSION BETWEEN CLAMPING AREA AND CENTER HOLE
#2Optical data recording disc with protrusion between clamping area and center hole
#3Optical data recording disc with protrusion between clamping area and center hole
#4Optical data recording medium with protrusion bonded between center hole and clamping area
#5Optical data recording disc with protrusion between clamping area and center hole
#6Optical data recording disc with protrusion between clamping area and center hole
#7Optical data recording disc with protrusion between clamping area and center hole
#8Mold For Molding Disk, Mirror-Surface Disk, And Molded Product
#9Optical data recording disc with protrusion between clamping area and center hole