Low friction bearing prepared by winding onto a mandrel
US3997954A · kind A · utility
Inventor
Key dates
| Filing date | Oct 14, 1975 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | Oct 14, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49655
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In a method of preparing a low friction bearing having an inner bearing member, a housing and a low friction surface element therebetween, wherein the housing having an inner surface is constructed to surround the bearing member and said housing is comprised of a plurality of sections which cooperatively define the shape of the outer surface of the inner bearing element, the improvement comprising the steps: PA1 1. winding onto a mandrel a continuous strand of a bondable low friction thread comprised of low friction filaments and bondable filaments impregnated with a bondable resin which is in a solidified yet thermoplastic state; PA1 2. affixing the wound thread to the inner surface of at least one housing section; PA1 3. curing the resin to coalesce the threads and intergrate the turns of the threads to produce a low friction element; and PA1 4. then assembling the bearing by constructing the housing sections about the inner bearing element, at least one of the housing sections having the cured low friction element on the inner surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.