Mandrel for winding flexible metal catalyst core

Details Mandrel for winding flexible metal catalyst core Mandrel for winding flexible metal catalyst core

1985-07-30

1987-01-20

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 721, 422180, 502439, 502527, F01N 328

Patent

active

046375686

ABSTRACT:
There is provided a mandrel for winding a thin metal catalyst support useful in an automobile catalytic converter said mandrel having a circular central cross section and bilaterally extending arms along a common axis, each arm having an oval cross section continuously changing in the same manner at corresponding points along each arm away from the central cross section to a terminal oval section having final major and minor diameters.

REFERENCES:
patent: 2887456 (1959-05-01), Halford et al.
patent: 4014962 (1977-03-01), del Notario
patent: 4031745 (1977-06-01), McCarty
patent: 4282186 (1981-08-01), Nonnenmann
patent: 4529139 (1985-07-01), Smith

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