Title:
FUSION MOUNTED NUT SUPPORTING PLATE, ITS MANUFACTURE AND DEVICE
Document Type and Number:
Japanese Patent JPS5765408
Kind Code:
A
Abstract:
A pressing machine has opposingly spaced-apart compacting surfaces movable toward each other to weld malleable metal of a metal sheet having a nut-receiving circular aperture therethrough, into a welded state with a malleable metal of circumscribing side-walls of a cylindrically-shaped undercut nut mounted in the aperture. The nut's top has a greater diameter than the aperture. A bottom one of the compacting press surfaces has a raised rim or ridge, and an upper one of the compacting press surfaces has a plurality of raised portions, arranged in a circular array to overlap edge portions of the sheet at its aperture. With the plurality of raised portions pressing downwardly, and the ridge in a circular shape around an annulus hole of the bottom press surface, the compacting surfaces in a single compacting movement in compacting the sheet carrying the inserted nut having overlapping top edges, results in an article in which the metal sheet has become welded to the nut.
Inventors:
GUUENZAA KURUUGAA
Application Number:
JP9764281A
Publication Date:
April 21, 1982
Filing Date:
June 25, 1981
Export Citation:
Assignee:
GUUENZAA KURUUGAA
International Classes:
F16B37/04; B21K25/00; B23K20/02; (IPC1-7): B21J5/00; B21J13/02; B21K25/00; F16B37/06
Domestic Patent References:
| JPS566791A | 1981-01-23 |