Metal working – Means to assemble or disassemble – Heat exchanger
Patent
1990-04-27
1991-01-01
Echols, P. W.
Metal working
Means to assemble or disassemble
Heat exchanger
29523, 29890044, B23P 1526
Patent
active
049809660
ABSTRACT:
A structure is provided for mounting the expander rods of a mechanical tube expander. The mounting structure comprises a slide plate which can be moved between a first position in which the expander rods are in locked condition and a second position in which the expander rods are in unlocked condition.
REFERENCES:
patent: 2336541 (1943-12-01), Gunter et al.
patent: 4597171 (1986-07-01), Kitayama et al.
patent: 4771536 (1988-09-01), Vanderlaan et al.
patent: 4780955 (1988-11-01), Stroup
patent: 4835828 (1989-06-01), York et al.
patent: 4839950 (1989-06-01), Stroup
patent: 4930338 (1990-06-01), Tokura
Franks Lawrence A.
Milliman James G.
Burr Oak Tool & Gauge Company
Cuda Irene
Echols P. W.
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