Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1982-05-24
1984-07-03
Hall, Carl E.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
72370, 72256, 16510426, B21D 5300
Patent
active
044570597
ABSTRACT:
A sealed heat pipe of uniform cross sectional profile from evaporator to condenser which includes a plurality of capillary channels communicating with a central channel by means of narrow re-entrant groove openings having convergent entrances. A two step method of fabrication includes extruding the re-entrant grooves, then drawing a mandrel through the virgin extrusion.
REFERENCES:
patent: 3987539 (1976-10-01), Grauener
patent: 4004441 (1977-01-01), Leszak
Alario Joseph P.
Kosson Robert
Leszak Edward
Burtch John T.
Geib Richard G.
Grumman Aerospace Corporation
Hall Carl E.
Kozma John P.
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