System for and method of projection weld-bonding workpieces

A technology for protruding parts and workpieces, which is applied in the welding-adhesive workpiece system and field of protruding parts, and can solve problems such as low total strength
CN101579779AInactive Publication Date: 2009-11-18GM GLOBAL TECH OPERATIONS LLC
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Patent Information

Authority / Receiving Office
CN Ā· China
Patent Type
Applications(China)
Current Assignee / Owner
GM GLOBAL TECH OPERATIONS LLC
Publication Date
2009-11-18
Estimated Expiration
Not applicable Ā· inactive patent

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Abstract

A system for and method of projection weld-bonding a plurality of workpieces, includes the steps of securing at least one adhesive layer having a plurality of projections embedded therein intermediate the workpieces, and engaging the workpieces with a resistance welding apparatus such that only the projections fuse to form the weld pool, and the layer cures to form an adhesive seal around the welds, together the adhesive layer and projections cooperatively forming a reinforced joint.
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Description

[0001] Cross References to Related Applications

[0001] A U.S. nonprovisional patent application related to this application claims priority to pending U.S. nonprovisional application No. 11 / 937518, filed November 9, 2007, entitled "SYSTEM FOR AND METHOD OF PRODUCTING INVISIBLE PROJECTION WELDS," and This application is a continuation-in-part of the above application. technical field

[0002] The present invention relates to resistance welding systems and methods of bonding, and more particularly to resistance welding systems and methods for welding-bonding a plurality of workpieces using protrusions embedded within an adhesive layer. Background technique

[0003] Resistance spot welding (eg, conventional spot or seam welding) remains the most common method of joining metal workpieces in a variety of industries, including automotive manufacturing and construction. In this method, the workpieces 1 , 2 are usually secured in a fixed situation and then joined by two electrod...

Claims

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