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Powder-Curtain Feeder For Coating Filament Tow

Authors :
Baucom, Robert M
Snoha, John J
Marchello, Joseph M
Source :
NASA Tech Briefs. 18(2)
Publication Year :
1994
Publisher :
United States: NASA Center for Aerospace Information (CASI), 1994.

Abstract

Continuous fiber web receives powder coat first on one side, then on other. Vibrating helical screw mechanism in powder feeder provides even flow of powder to form powder curtain that descends onto moving web. Small amount of powder that falls to side or through web recovered easily. Powder-curtain feeder part of apparatus similar to one described in "System Applies Polymer Powder to Filament Tow" (LAR-14231).

Subjects

Subjects :
Fabrication Technology

Details

Language :
English
ISSN :
0145319X
Volume :
18
Issue :
2
Database :
NASA Technical Reports
Journal :
NASA Tech Briefs
Publication Type :
Report
Accession number :
edsnas.19940000082
Document Type :
Report