US 5446952
PNEUMATIC INDUCTION FIBER SPREADER WITH LATERAL VENTURI RESTRICTORS
Assignee
UNITED STATES OF AMERICA, AS RESPRESENTED BY THE SECRETARY OF THE NAVY, THE
Filed
Dec 11, 1987
Granted
Sep 5, 1995
Location
BURKE VA US
Abstract
A machine for producing a graphite fiber tape suitable for use in the protion of metal matrix composites by physical vapor deposition. The machine consists of adjacent air-tight enclosures. Two venturi pipes are located within the enclosures and aligned with a gap between them. A vacuum pump draws air out of one of the air-tight enclosures. Graphite fibers are drawn through the venturi pipes and laterally spread from a tow bundle via the Venturi effect to form a thin tape.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Aug 29, 1989
Rescinded
Feb 17, 1995
Duration
5 years, 5 months
Inventor
- 1CHULKO KIM
Record Details
- Patent number
- US 5446952
- Application
- 07131684
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
Back to patent indexSource: USPTO 35 USC §181 secrecy order records