Link-shape and chain link assembly method

A junction link having a C shaped extent defining a gap,

• a bridging member for extending across said gap,
• and, when so extending, defining an approximately circular aperture,
• said bridging member defining a bore for alignment with a C member bore,
• a rivet like member, extending through each pair of aligned apertures, having a head at each end.

A junction link, having a C shaped member defining a gap between two first free ends,

• a bridging member for extending across said gap having two second free ends,
• means for connecting each first free end to a second free end to close said gap and define an aperture,
• said C shaped member defining a section wider nearer to the aperture than farther from the aperture,
• where said bridging member defines a section wider nearer to the aperture than farther from the aperture.

A junction link, having a C shaped member defining a gap between two first free ends,

• a bridging member for extending across said gap having two second free ends,
• means for connecting each first free end to a second free end to close said gap and define an aperture,
• said C shaped member defining a section wider nearer to the aperture than farther from the aperture,
• wherein said C shaped member section tapers from wider to narrower at a higher rate nearer to the aperture than farther from the aperture,
• and wherein said bridging member defines a section wider near the aperture than farther from the aperture.

Method of forming a junction chain link, comprising:

• providing main extent of the link, being a C shaped member defining a gap,
• providing a bridging member extending across said gap,
• overlapping extents of C member and bridging member on each side of said gap,
• each set of overlapping extents defining aligned bores,
• providing a rivet-like member having a shank with a head on one end, inserting said shank through said openings,
• apply electric arc welding current to the other end to melt said end to form a head,
• wherein the members are shaped to define an outwardly directed cup about at least one pair of aligned bores which is upper during the welding process,
• wherein said cup may be covered with a heat protective material.

Method of completing the connection between a C member and a bridging member for together forming a junction link where said C member defines a gap and provides overlapping thickness with said bridging member on each side of said gap, and wherein said overlapping thickness define aligned openings comprising the step of:

• aligning said pairs of openings,
• inserting a rivet-like member having a head on one end and a shank free end on the other through each pair of aligned openings,
• applying electric arc welding to the free end of each shank to cause said free end to melt to form a head,
• where the members are shaped to define an outwardly directed cup about one pair of apertures which is upper during the welding,
• wherein said cup may be coated with heat protective material.