A trowel having imposed blade stresses and method of...

Details A trowel having imposed blade stresses and method of... A trowel having imposed blade stresses and method of...

E - Fixed Constructions

04

F

E04F 21/06 (2006.01) E04F 21/16 (2006.01)

Patent

CA 2266087

A trowel and related method of manufacture in which residual stresses are intentionally imposed upon the bottom working surface and/or the top mounting surface of a trowel blade. Stresses can be imposed, for example, by glass bead peening, shot peening, rolling, and/or brushing the metal trowel blade. Stresses are built up to a working stress level that remains substantially constant with further use of the trowel against abrasive, spreadable surfaces. Imposed stresses on the top and bottom surfaces can also be used to vary the resulting curvature of the blade.

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