Metal deforming – With cutting – By shearing tool-couple
Patent
1988-07-21
1989-12-05
Crane, Daniel C.
Metal deforming
With cutting
By shearing tool-couple
72333, 72294, 72412, 72385, B21D 2804
Patent
active
048844314
ABSTRACT:
A pad forming device for forming attachment pads in an automotive inner body panel element to provide for the attachment of an outer body panel to the inner body panel. The outer body panel must be attached at a precise location and the inner body panel element is not as precisely positioned. The device has one or more fixed anvils which are positioned at a predetermined position adjacent to, but spaced from, the inner body panel element, the magnitude of such spacing varying with the position of the inner body panel element. Movable floating locators that are disposed on opposite sides of each fixed anvil are advanced toward the inner body panel element until they make contact therewith, at which time the floating locators are locked in a fixed position. A load is then imposed on the other side of the inner body panel element by pad forming blocks located in alignment with each fixed anvil to deform the portion between the fixed anvil and the pad forming block against the fixed anvil to thereby form an attachment pad, the height depth of the pad varying from the original position of the inner body panel element. The fixed anvil is configured to provide a reciprocating punching tool which reciprocates through the fixed anvil to lance, punch or pierce the pad, after it has been formed against the anvil to enable the precise attachment of an outer body panel to an attachment pad.
REFERENCES:
patent: 329264 (1885-10-01), Bray
patent: 2432804 (1947-12-01), Rieske
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patent: 3192611 (1965-07-01), Briechle
patent: 3336117 (1967-08-01), Borello
patent: 3340719 (1967-09-01), Kandle et al.
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patent: 4356717 (1982-11-01), Okunishi et al.
Crane Daniel C.
Utica Enterprises Inc.
VanOphem Remy J.
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