Apparatus for producing tubular sheath-like coverings for electr

Details Apparatus for producing tubular sheath-like coverings for electr Apparatus for producing tubular sheath-like coverings for electr

1976-03-01

1977-10-18

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

With direct application of magnetic force to manipulate...

425392, 425403, 425DIG33, B29C 1700

Patent

active

040544028

ABSTRACT:
An apparatus for supporting a sheathing material comprises a mandrel containing magnetically conductive material, and a plurality of spaced magnets. The magnets contain aligned circular apertures. The mandrel is centered within the apertures by a magnetic field applied substantially uniformly around the periphery of the mandrel. The mandrel is thus supported in a freely suspended manner. Sheathing material can be inserted onto the freely suspended mandrel and advanced freely therealong so as to be treated while mounted on the mandrel.

REFERENCES:
patent: 2324645 (1943-07-01), Prehler
patent: 2418974 (1947-04-01), Henry
patent: 3565983 (1971-02-01), Eigenmann
patent: 3725130 (1973-04-01), Anderson

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