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Article
November 27, 1943

PROTECTION AGAINST WELDING FUMES: A NEW COMPRESSED AIR UNIT FOR VENTILATING WELDERS' HOODS

Author Affiliations

Chicago

From the Medical Department, Pullman Standard Car Manufacturing Company, and the Department of Physiology, Northwestern University.

JAMA. 1943;123(13):830. doi:10.1001/jama.1943.82840480001009

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Abstract

The deleterious effects of welding fumes, especially those arising from galvanized metals ("galvo fever"), are well known.

Previous methods for protecting the welder have not been satisfactory. The use of a respirator has failed because it is cumbersome and does not fit well beneath the welder's hood. The welder objects to the discomfort of wearing the respirator on his face throughout the working day. Those compressed air ventilating devices for the hood which have been provided to date have not been constructed so as to prevent fumes from entering the hood and to avoid the criticisms and complaints of the welder.

The present compressed air unit for ventilating the welder's hood consists of a metal tube bent to form a rectangle of such dimensions that it may be placed in and attached to the hood so as to surround the glass window completely. The metal tube is perforated along the

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