Summary

Byron White United Steelworkers of America v…

Picketing has traditionally been a major weapon to implement the goals of a strike and has characteristically been aimed at all those approaching the situs whose mission is selling, delivering or otherwise contributing to the operations which the strike is endeavoring to halt. In light of this traditional goal of primary pressures we think Congress intended to preserve the right to picket during a strike a gate reserved for employees of neutral delivery men furnishing day-to-day service essential to the plant's regular operations.
Source: Wikisource

Byron White United Steelworkers of America v…

The legality of separate gate picketing depended upon the type of work being done by the employees who used that gate; if the duties of those employees were connected with the normal operations of the employer, picketing directed at them was protected primary activity, but if their work was unrelated to the day-to-day operation of the employer's plant, the picketing was an unfair labor practice.
Source: Wikisource

Byron White United Steelworkers of America v…

We think General Electric's construction of the proviso to § 8 (b) (4) (B) is sound and we will not disturb it. The primary strike, which is protected by the proviso, is aimed at applying economic pressure by halting the day-to-day operations of the struck employer. But Congress not only preserved the right to strike; it also saved 'primary picketing' from the secondary ban.
Source: Wikisource

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