Method of fabricating a solar heating unit

Details Method of fabricating a solar heating unit Method of fabricating a solar heating unit

1977-04-04

1978-02-07

Kelly, Donald G.

Metal fusion bonding

Process

With shaping

228183, B21D 3900, B23K 3102, F24J 302

Patent

active

040722627

ABSTRACT:
A method of fabricating a solar heating unit having tubular conduits for containing high pressure fluids is disclosed. The method comprises the steps of forming a thin sheet of soft metal, preferably a fully annealed copper sheet, by applying sufficient temperature and pressure to creep or thermally form the sheet in a grooved plate using an assembly of the fluid conduits having a paste solder applied thereon. The solder is melted during the creep forming step to form a good metallurgical bond between the sheet and the conduits.

REFERENCES:
patent: 3384167 (1968-05-01), Jarkin
patent: 3698475 (1972-10-01), Beck
patent: 3952725 (1976-04-01), Edmondson
patent: 3972317 (1976-08-01), Gallagher
patent: 3974822 (1976-08-01), Patil
patent: 3980071 (1976-09-01), Barber
patent: 3987784 (1976-10-01), Godrick

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