Best Helical
The Parker Variseal is an industrial sealing component manufactured by the Parker Hannifin Corporation. It is a spring-energized seal, typically constructed from polytetrafluoroethylene (PTFE) or other high-performance polymers, which utilizes a metal spring to maintain contact pressure. This mechan...
The Peace Bridge is a dedicated pedestrian and bicycle bridge crossing the Bow River in Calgary, Alberta, Canada. Designed by Spanish architect Santiago Calatrava, the structure was completed and opened to the public in 2012. The bridge is distinguished by its enclosed, red-and-white helical steel t...
Slinky Springs to Fame is a pedestrian bridge in Oberhausen, Germany, located within the Emscher Island park landscape created for the 2010 Ruhr region cultural festival. Designed by German artist Tobias Rehberger, the bridge takes its name from the coiled spring toy and features a colorful, spirali...
