The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 27, 1988

Filed:

Dec. 24, 1986
Applicant:
Inventors:

Akira Mizuta, Kanagawa, JP;

Shozi Iwamoto, Kanagawa, JP;

Yasushi Hatano, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26D / ; B26D / ;
U.S. Cl.
CPC ...
83 39 ; 83 40 ; 83 42 ; 83107 ; 83256 ; 83405 ; 83650 ;
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.


Find Patent Forward Citations

Loading…