Process and apparatus for producing magnetic diskette

Details Process and apparatus for producing magnetic diskette Process and apparatus for producing magnetic diskette

1990-07-25

1992-02-04

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156256, 156517, 156556, 360133, B32B 3100

Patent

active

050857231

ABSTRACT:
A process of producing a magnetic diskette comprises the steps of cutting a nonwoven fabric sheet to form a piece for the liner, which piece has outer periphery and an inner periphery for efining the central opening and is separably fitted in the nonwoven fabric sheet, separating the piece for the liner from the sheet, placing the separated piece at a prescribed position so as to be correctly positioned to the prescribed position, cutting the piece to form a window thereby finishing a liner formation, and holding the piece and transferring the finished liner to the shell to place it thereon by a transfer head.
An apparatus for carrying out the process comprises a cutting machine for cutting a nonwoven fabric sheet by pressing a cutting blade on the sheet on an anvil to form an annular piece for the liner, which piece is cut separably but fitted in the sheet, a conveyor for conveying the sheet which has the annular piece fitted therein, a separation device for separating the annular piece from the sheet, a positioning member for positioning the annular piece at a prescribed position, a cutting device for cutting the annular piece at the prescribed position to form the window therein thereby providing a finished liner, and a transfer head for holding the liner at the prescribed position and transferring to the shell.

REFERENCES:
patent: 4946530 (1990-08-01), Lam
patent: 4960480 (1990-10-01), Iwamoto

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