Method of joining surfaces using a ball weldable material

Details Method of joining surfaces using a ball weldable material Method of joining surfaces using a ball weldable material

1977-05-09

1978-06-20

Grimley, Arthur T.

Electric heating

Metal heating

For bonding with pressure

B23K 1900

Patent

active

040963748

ABSTRACT:
The invention relates to a method of joining at least two layers of material one of which is made of weldable material. At least one of the layers of material has an opening therein for receiving a ball of weldable material so that the ball rests in contact with the layer of weldable material. The diameter of the hole is in the range of 94% to 96% the diameter of the ball. The diameter of the ball is in the range of 2T to 5T where T is the thickness of the layer of material having the opening therein. Heat and pressure are applied in sufficient amounts and for a sufficient time to weld the ball to the layer of weldable material. The ball is deformed so that it overlaps the other layer in part so as to attach the two layers.

REFERENCES:
patent: 1278357 (1918-09-01), Lachman
patent: 1330241 (1920-02-01), Cutter

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