Method of welding plastics sheets together and a joint used ther

Details Method of welding plastics sheets together and a joint used ther Method of welding plastics sheets together and a joint used ther

1995-12-13

1998-04-28

Mayes, Curtis

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562722, 1563043, 1563046, 219544, 219547, 219548, B32B 3126, H05B 310, H05B 344

Patent

active

057439893

ABSTRACT:
Plastics sheets having edges to be bonded one to another as well as a plastics joint having at least two weldable regions are prepared, each region having an embedded wire extending along the region. Subsequently, the plastics sheet edges are placed on or in the weldable regions, and an electric current is supplied through the wires to emit heat for fusion bonding each edge to the corresponding weldable region. Alternatively, each of the plastics sheets has at least one edge having an embedded wire so that they are welded to each other, without aid of any joint. The joint has U-shaped grooves or ear-shaped protrusions adapted to engage with the plastics sheet edges, and the wires are embedded in the grooves or protrusions.

REFERENCES:
patent: 2388297 (1945-11-01), Slaughter
patent: 2983306 (1961-05-01), Resnick
patent: 4938820 (1990-07-01), McMills

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