New York Typographical Union 6 (Thermo-Craft Press)

National Woodwork Manufacturers Ass'n v. Nat'l Labor Relations Bd.
386 U.S. 612 (1967) Cited 392 times
Holding that union employees' refusal to install third-party manufacturer's product was not prohibited under § 158(b)(B), because it was an action "pressuring the [union members'] employer for agreements regulating relations between [the employer] and his own employees"
Nat'l Labor Relations Bd. v. Enterprise Ass'n of Steam, Hot Water, Hydraulic Sprinkler, Pneumatic Tube, Ice Machine & General Pipefitters
429 U.S. 507 (1977) Cited 138 times
Stating that if a union were to attempt to capture work it had previously acquiesced to non-union workers' performing, such conduct would serve "not to preserve, but to aggrandize, its own position and that of its members," concluding that "[s]uch activity is squarely within the statute" and thus prohibited