| 发明名称 |
Anti-Friction Washer System |
| 摘要 |
Included is an anti-friction washer system comprising two steel washers coated with a zinc coating that is at least 0.0002 inch thick, the two washers adhered to one another by an adhesive having a melting temperature of 300° F. or less. Also included is a mine roof bolt system comprising: a bolt having a bolt head; a bearing plate; and the above-described anti-friction washer system located between the bearing plate and the bolt head. Also included is a method of manufacturing an anti-friction washer system including providing two zinc-coated washers, depositing a melted thermoplastic adhesive in a plurality of locations circumferentially around one surface of one of the washers, placing the other washer on top of the adhesive, applying pressure to the washers, and cooling the bonded washers. |
| 申请公布号 |
US2016017709(A1) |
申请公布日期 |
2016.01.21 |
| 申请号 |
US201514798767 |
申请日期 |
2015.07.14 |
| 申请人 |
FCI Holdings Delaware, Inc. |
发明人 |
Sub Travis Mikel;Stankus John C.;Cook Thomas |
| 分类号 |
E21D21/00;E21D20/02;F16B43/00 |
主分类号 |
E21D21/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. An anti-friction washer system comprising two steel washers coated with a zinc coating that is at least 0.0002 inch thick, the two washers adhered to one another by an adhesive having a melting temperature of 300° F. or less. |
| 地址 |
Wilmington DE US |
