a. [f. WELD sb.2 + -LESS.] Made without a weld.

1

1865.  Athenæum, 30 Sept., 442/1. Weldless tyres.

2

1869.  F. Kohn, Iron & Steel Manuf., 182/1, heading. Weldless Tubes.

3

1894.  Daily News, 14 June, 6/4. The Triumph Weldless chain, an American invention.

4