STEEL ERECTION SERVICES
| Brand | Owner (click to sort) | Address | Description |
|---|---|---|---|
| TULSA STEEL | Tulsa Steel Manufacturing Co., Inc. | 7600 New Sapulpa Road P.O. Box 9280 Tulsa OK 74131 | Steel erection services in the commercial and industrial construction industries;STEEL; |
| TULSA STEEL | Tulsa Steel Manufacturing Co., Inc. | 7600 New Sapulpa Road P.O. Box 9280 Tulsa OK 74131 | Steel erection services in the commercial and industrial construction industries;STEEL; |
Where the owner name is not linked, that owner no longer owns the brand |
Technical Examples
- The within invention concerns a crane with a superstructure that rotates on a vertical axle, a boom coupled to the superstructure in such manner as to luff on a horizontal axle, luffing equipment for luffing the boom, and an operating ballast that counteracts the moment of the boom. According to the invention, the crane is characterized by an auxiliary erection frame that can be attached to the superstructure and/or the operating ballast in such manner as to project backward and can be connected with an auxiliary erection ballast for the erection of the boom.