BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a schematic view illustrating a first injection step in a method for manufacturing a tape reel according to the present invention.
FIG. 2A is a sectional view showing a first injection mold after injection molding has been performed, FIG. 2B is a sectional view showing a second injection mold after injection molding has been performed, and FIG. 2C is a sectional view showing a secondary molding mold.
FIG. 3 is a schematic view showing the state where the first injection mold and the second injection mold are moved by rotating turntables.
FIG. 4 is a schematic view showing the state where a secondary molding mold is constructed by using a robot arm.
FIG. 5 is a schematic view illustrating a second injection step in the method for manufacturing a tape reel according to the present invention.
FIG. 6 is a schematic view showing the state where the secondary molding mold is taken out from a secondary injection molding machine and the first injection mold and the second injection mold are reconstructed.
FIG. 7A is a sectional view showing a tape reel according to the present invention, and FIG. 7B is an enlarged view of a portion B in FIG. 7A.
FIG. 8 is a plan view showing an example of a hub used in a tape reel according to the present invention.
FIG. 9 is a plan view showing another example of a hub used in the tape reel according to the present invention.
FIG. 10 is a plan view showing still another example of a hub used in the tape reel according to the present invention.
FIG. 11 is a sectional view showing a conventional tape reel.
FIG. 12 is a schematic view illustrating a conventional process for manufacturing a tape reel.
FIG. 13A is a sectional view illustrating a conventional process for joining a flange and a hub by ultrasonic welding, and FIG. 13B is an enlarged view of a portion B in FIG. 13A.
Patent Application
20070215744
