Anti-Friction Washer System
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jan 21, 2016
app pub date -
Jul 14, 2015
filing date -
Jul 18, 2014
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
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.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully