Metal working – Means to assemble or disassemble – Heat exchanger
Patent
1985-12-16
1987-08-11
Crane, Daniel C.
Metal working
Means to assemble or disassemble
Heat exchanger
192 91A, B23P 2100
Patent
active
046852042
ABSTRACT:
An arrangement for drawing transverse ribs onto smooth pipes, comprises a punch arranged to produce transverse ribs; a drive provided for driving the punch; a drawing bank carrying smooth pipes to be provided with ribs; driving chain means movable from the punch drive and including at least two continuously rotatable endless driver chains extending at a distance from one another and driving the transverse ribs; driving chain wheels arranged for driving the driver chains at their one end, the driving chain wheels having a driving shaft; and a coupling provided between the punch drive and the driving chain wheels at a drawing bank end which is opposite to the punch, the coupling including two claw discs which are bringable in form-locking and force-transmitting engagement with one another, one of the claw discs being freely rotatably arranged on the driving shaft on the driving chain wheel and at least indirectly actuatable from the punch drive, the other of the claw discs being connected with the driving shaft for joint rotation therewith, the other claw disc being axially displaceable under the action of a spring force in one axial direction and under the action of a fluid in the other axial direction on the driving shaft.
REFERENCES:
patent: 2618366 (1952-11-01), Bryant
patent: 3095639 (1963-07-01), Seien
patent: 3306409 (1967-02-01), Giometti
patent: 3498151 (1970-03-01), King
patent: 3679032 (1972-07-01), Bennett
patent: 3798732 (1974-03-01), Schulenberg et al.
patent: 3815203 (1974-06-01), Schulenberg et al.
Schulenberg Heinrich
Wisse Otto
Crane Daniel C.
GEA Luftkuehlergesellschaft Happel GmbH & Co.
Striker Michael J.
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