Method of manufacturing louver fins for use in heat exchanger

Details Method of manufacturing louver fins for use in heat exchanger Method of manufacturing louver fins for use in heat exchanger

1976-08-17

1977-07-12

Lanham, C.W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B23P 1526

Patent

active

040344533

ABSTRACT:
A method for producing louver fins for use in a heat exchanger, comprising the steps of forming in a sheet of thin fin blank a plurality of cylindrical collars in each of which a heat conductive tube is inserted, forming a plurality of bridge-shaped protruded louvers in parallel with the rows of cylindrical collars, inserting pilot pin in one of the cylindrical collars for predetermining a transverse width of the louver fin by measuring from the cylindrical collar, and cutting the blank sheet into the predetermined transverse width for obtaining a multiplicity of fin louvers with the predetermined width from the blank sheet.

REFERENCES:
patent: 2994123 (1961-08-01), Kritzer
patent: 3741460 (1973-06-01), Matulewicz

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