Title:
WASHER MANUFACTURING METHOD AND WASHER
Document Type and Number:
WIPO Patent Application WO/2018/100814
Kind Code:
A1
Abstract:
Provide is a washer manufacturing method that inhibits reduction of a sliding area. This method comprises: a preparing step for preparing a plate-like member (N); a cutting step for cutting the plate-like member (N) by means of laser (L2) to obtain longitudinal members (N1); and a forming step for obtaining a circular arc-shaped washer by using each longitudinal member (N1). The width of the plate-like member (N) is equal to the width, in the longitudinal direction, of the longitudinal member (N1). The cutting step is for cutting the plate-like member (N) from one end to the other end in the width direction to obtain the longitudinal member (N1). The forming step is for deforming the longitudinal member (N1) into a circular arc shape such that the cut surfaces of the longitudinal member (N1) form an outer circumferential surface and an inner circumferential surface.
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Inventors:
OCHIAI HIROKAZU (JP)
Application Number:
PCT/JP2017/030958
Publication Date:
June 07, 2018
Filing Date:
August 29, 2017
Export Citation:
Assignee:
TAIHO KOGYO CO LTD (JP)
International Classes:
F16C33/14; B21D53/20; F16C17/04; F16C33/12
Foreign References:
| JPS5228454A | 1977-03-03 | |||
| JPS605788U | 1985-01-16 |
Attorney, Agent or Firm:
NAGATA Toyohiko et al. (JP)
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