Apparatus for belling and expanding coils

Details Apparatus for belling and expanding coils Apparatus for belling and expanding coils

1986-12-22

1988-05-24

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Heat exchanger

291573C, 29523, B23P 1526

Patent

active

047456787

ABSTRACT:
A method and apparatus for belling and expanding the tubes of a plate fin heat exchanger that involves a gripper for gripping the tube during the belling operation and a clamp for clamping a tube sheet during the tension expanding operation.

REFERENCES:
patent: 3824668 (1974-07-01), Wightman
patent: 4584751 (1986-04-01), Gray et al.
patent: 4584765 (1986-04-01), Gray
patent: 4589198 (1986-05-01), Greever et al.
patent: 4631813 (1986-12-01), Daniels

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