Paul C Fox

US Patent:

8146733, Apr 3, 2012

Filed:

Jul 27, 2010

Appl. No.:

12/844154

Inventors:

Paul K. Fox - Greensburg PA, US

Assignee:

United States Steel Corporation - Pittsburgh PA

International Classification:

B65G 39/10

US Classification:

198780, 193 37, 492 47, 492 48

Abstract:

A contact seal to prevent contamination from fouling a conveyor idler roll, the roll generally comprising a rotatable cylinder, at least one internal bearing assembly, and a fixed axle. A disc of thermoplastic polymer or similarly resilient material is adhesively attached preferentially to an outboard end cap of the idler roll to seal out contamination. A circular aperture through the disc allows the attached seal to rotate about the idler axle. At least one ring of felt or other porous material is adhesively attached to the disc circumferentially to the aperture to filter out contamination when the ring is in frictional contact with the roll end cap. The seal is preferentially divided along the longitudinal axis of the disc to form two interlocking semicircular half-pieces that are snapped together circumferentially about the idler axle so that no disassembly or modification of the idler is required to adhesively attach the seal.

US Patent:

20050137936, Jun 23, 2005

Filed:

Dec 23, 2003

Appl. No.:

10/744847

Inventors:

Pamela Roman - Birmingham AL, US
Paul Fox - Birmingham AL, US
Kathy Fox - Birmingham AL, US

International Classification:

G06F017/60

US Classification:

705020000

Abstract:

Methods and systems are provided for pricing products based on qualifiers. A pricelist for a product being offered is defined. Defining the pricelist includes establishing one or more qualifiers for determining a price of the product and where each qualifier established for the pricelist is an attribute of the pricelist that results in a price variation for the product being offered. The qualifiers necessary to fully qualify a price of the product are encoded into a pricelist identifier referencing the price list. The pricelist is a price of the product once the qualifiers necessary to fully qualify a price have been established. The prices of the product may be differentiated and retrieved based on an unlimited number of qualifiers.