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POLYGON COMPANY
| POLYGON COMPANY Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20100031815 | Hybrid Bearing Cylinder - A hybrid bearing cylinder is formed to include a composite sleeve and a metallic jacket positioned around the composite sleeve. The outer diameter of the composite sleeve is less the inner diameter of the metallic jacket to form a pre-designed gap between the composite sleeve and the metallic jacket The metallic jacket of the hybrid bearing cylinder is adapted to be secured to metallic cylinder end caps by threading, welding, swaging, or other metal attachment methods. | 02-11-2010 |
| 20090255400 | Hybrid Piston Rod - A hybrid piston rod having an outer metallic jacket bonded to a pultruded composite core. The composite core formed of fibrous strands coupled together by a binder material. The hybrid piston rod includes couplers that permit the hybrid piston rod to be coupled to a piston and positioned with a hydraulic cylinder. The resultant hydraulic cylinder can be used for construction equipment or in other applications where hydraulic cylinders are used. | 10-15-2009 |