DISPOSITIF DE FIXATION DE PIECES D'UN APPAREIL ELECTROMENAGER
A suitably shaped punch with a central e.g. cylindrical vented axial cavity, normal to the plate (4), is forced into the latter from one side. Its highly polished concave nose displaces metal (7) into the shaped cavity, leaving, after its removal, a circular depression (7) with a conical floor close...
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Main Authors | , , , |
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Format | Patent |
Language | French |
Published |
15.10.1999
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Edition | 6 |
Subjects | |
Online Access | Get full text |
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Summary: | A suitably shaped punch with a central e.g. cylindrical vented axial cavity, normal to the plate (4), is forced into the latter from one side. Its highly polished concave nose displaces metal (7) into the shaped cavity, leaving, after its removal, a circular depression (7) with a conical floor close to the reverse side of the plate. Typically, the plate is aluminium with a stainless steel liner (11) brazed to the reverse side (12). The part to be attached (8) offers a drilled lug or flange (8a), fitted over the rivet (5). A shaped washer (10) sets the flange, etc., at the correct level for riveting. Optionally, webs left in the depression, a step in the rivet, or the rim of the depression itself, provides the setting level. |
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Bibliography: | Application Number: FR19970010172 |