Apparatus for manufacturing a helically finned heat exchanger

Details Apparatus for manufacturing a helically finned heat exchanger Apparatus for manufacturing a helically finned heat exchanger

1977-05-11

1978-06-20

DiPalma, Victor A.

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

29727, B23P 1526, B21D 3903

Patent

active

040953211

ABSTRACT:
An apparatus is disclosed for the manufacture of a continuous heat exchanger tube including helically winding a spine fin material on the outer wall of a base tube member. A preselected portion of the spine fin material is secured against movement relative to the base tube member. The heat exchanger is then severed in the secured portion so that a section of the secured portion is arranged at each end of the severed heat exchanger. The secured severed end sections are effective in maintaining the intermediate portion of the spine fin material from unwinding and, as a result, in heat transfer relationship with the base tube member.

REFERENCES:
patent: 2408322 (1946-09-01), Lear
patent: 2553142 (1951-05-01), McCreary
patent: 2847055 (1958-08-01), Matheny et al.
patent: 3022049 (1962-02-01), Abbott
patent: 3388449 (1968-06-01), McElroy
patent: 3568288 (1971-03-01), Nihlen

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