Method of and apparatus for manufacturing liner for magnetic dis

Details Method of and apparatus for manufacturing liner for magnetic dis Method of and apparatus for manufacturing liner for magnetic dis

1986-12-24

1988-09-27

Kazenske, E. R.

Cutting

Processes

Plural cutting steps

83 40, 83 42, 83107, 83256, 83405, 83650, B26D 300, B26D 520

Patent

active

047732938

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.

REFERENCES:
patent: 1914293 (1933-06-01), Reynolds
patent: 3107566 (1963-10-01), Archer
patent: 3496815 (1970-02-01), Ruhl
patent: 3605535 (1971-09-01), Love et al.
patent: 3795166 (1974-03-01), Brand
patent: 3854359 (1974-12-01), Tagami
patent: 4344342 (1982-08-01), Garvin

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