| 摘要 |
A miter coupling is provided, together with a method for using the miter coupling to join a pair of square metal tubes at a desired angle using a welding process. The miter coupling, in a preferred embodiment, comprises a single piece of metal formed into a shape that is adapted to receive the ends of two square metal tubes at a desired angle. The miter coupling is shaped to form a pair of parallel elbow members, where the elbow members are formed into a desired angle, and the elbow members are interconnected by a cross support. This arrangement provides a stronger joint, and eliminates the time consuming steps of cutting the square metal tubes at specific angles and grinding the welds to form a smooth seam.
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