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Patent Searching and Data


Title:
METHOD AND DEVICE FOR MACHINING LINER FOR MAGNETIC DISK
Document Type and Number:
Japanese Patent JPS62152696
Kind Code:
A
Abstract:
A method of manufacturing a liner for a magnetic disk which is formed of non-woven fabric and has a predetermined width, a predetermined length, a central opening and contoured four corners comprising steps of supplying a plurality of non-woven fabric strips, each having a width substantially equal to the width of the liner to be formed, in a stacked state, stamping out openings in the stacked non-woven fabrics, cutting the portion of the stacked non-woven fabrics corresponding to the contoured four corners of the liners to be formed, simultaneously with the stamping of the openings, subsequently separating the non-woven fabric strips and cutting the leading edge portion of the non-woven fabric strips into the predetermined length.

Inventors:
MIZUTA AKIRA
IWAMOTO SHOJI
HATANO YASUSHI
Application Number:
JP29609785A
Publication Date:
July 07, 1987
Filing Date:
December 25, 1985
Export Citation:
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Assignee:
FUJI PHOTO FILM CO LTD
International Classes:
B26D9/00; G11B23/03; G11B23/50; (IPC1-7): B26D9/00
Attorney, Agent or Firm:
Yanagita Seiji