Friction stir spot welding device and method
AssigneeKawasaki Jukogyo Kabushiki Kaisha
InventorsNaoki TAKEOKA, Shuhei YOSHIKAWA, Ryoichi HATANO, Yoshitaka MURAMATSU
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Abstract
A friction stir spot welding device includes a pin, a shoulder having therein a first hollow portion into which the pin is inserted, and a clamp having therein a second hollow portion into which the shoulder is inserted and having, in a peripheral wall, a first hole for allowing refrigerant to flow into the second hollow portion.
Claims15
A friction stir spot welding device comprising:
- a pin;
- a shoulder having therein a first hollow portion into which the pin is inserted;
- and
- a clamp having therein a second hollow portion into which the shoulder is inserted and having, in a peripheral wall, a first hole for allowing refrigerant to flow into the second hollow portion.
A friction stir spot welding method using a tool including a pin, a shoulder having therein a first hollow portion into which the pin is inserted, and a clamp having therein a second hollow portion into which the shoulder is inserted, the friction stir spot welding method comprising:
- allowing refrigerant to flow into the second hollow portion from a refrigerant inflow hole provided in a peripheral wall of the clamp.
Dependencies are inferred from the claim text.