Paul C Ellis

US Patent:

48882348, Dec 19, 1989

Filed:

Feb 17, 1988

Appl. No.:

7/161224

Inventors:

Gerald J. Smith - Auburn ME
Elwood G. Trask - Auburn ME
Paul Ellis - Denver CO
Jon Johnston - Denver CO
Brian Campbell - Denver CO
Leon Rorie - Denver CO

Assignee:

Gates Formed-Fibre Products, Inc. - Auburn ME

International Classification:

B32B 502

US Classification:

428234

Abstract:

A composite structural material and a method of making it, which material is thermoformable and capable of being rigidified by application of a resin, and which is useful in certain electronics applications because of a metallic layer incorporated within the structure. A layer of a selected metal is needle punched onto a fibrous batt of selected synthetic thermoplastic fibers, which is then thermoformed to a desired shape and rigidified by contacting with, and being embedded in, a suitable resin. Specific applications of the use of this composite include a parabolic dish-shaped antenna, an electromagnetic interference shield for electronic equipment, and a radioactive emission shield.

US Patent:

50748289, Dec 24, 1991

Filed:

Apr 13, 1990

Appl. No.:

7/509003

Inventors:

Paul R. Ellis - Denver CO

Assignee:

The Gates Rubber Company - Denver CO

International Classification:

F16H 5506

US Classification:

474161

Abstract:

A power transmission wheel of the gear wheel sprocket wheel and pulley wheel type has hub portion or rim portion formed of a composite material of discontinuous fiber disposed in a plastic matrix where teeth are formed in one of the portions so as to define flank surfaces and where lateral side portion of fiber follow the contour of the surface so as to minimize in portions of fiber at ends the flank surfaces. A method for manufacturing a power transmission wheel by winding a strip of uncured material having embedded discontinuous lengths of fiber, and winding the strip in a volute fashion to form a preform having oppositely facing sides, and pressing the preform on one side and shaping the preform, and heating the preform to define a power transmission wheel.