Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1985-08-27
1987-03-31
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
29558, 165133, B21D 5302, B23P 1526, B23P 1304
Patent
active
046531637
ABSTRACT:
A method of producing a heat transfer wall, including a plurality of minute tunnels parallelly extending and spaced a minuscule distance from each other under an outer surface of the wall in contact with liquid, and a plurality of tiny hole portions formed at the outer surface of the wall above the tunnels and located at regular intervals along the tunnels to maintain same in communication with the outside. Each hole portion includes a projection located in the hole portion including a hole itself and extending from the vicinity of the hole portion into the hole portion in a manner to traverse same, so that a flow of liquid into the tunnels and a flow of vapor out of the tunnels can be optimally regulated by the projections to enable the heat transfer wall to exhibit a high heat transfer performance.
REFERENCES:
patent: 3454081 (1969-07-01), Kun et al.
patent: 3906604 (1975-09-01), Kakizaki et al.
patent: 3971435 (1976-07-01), Peck
patent: 4060125 (1977-11-01), Fujie et al.
Fukuda Shigeho
Kuwahara Heikichi
Nakayama Wataru
Nakayama Yoshihiko
Oizumi Kiyoshi
Golabi Irene Graves
Goldberg Howard N.
Hitachi , Ltd.
Hitachi Cable Ltd.
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