Composition for worm wheel having excellent durability with wear resistance and worm wheel prepared using the same
US11454309B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Apr 3, 2020 |
| Grant date | Sep 27, 2022 |
| Priority date | — |
| Expiry date | Aug 6, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2055/065
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present disclosure relates to a composition for a worm wheel having excellent durability and wear resistance and a worm wheel manufactured using the same. In one embodiment, the composition for a worm wheel includes a polyamide resin, wherein the polyamide resin includes a polyamide 66 resin having a relative viscosity (RV) of about 2.5 or higher and a polyamide 12 resin having a relative viscosity (RV) of about 1.0 or higher.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.