Internal heated differential temperature roll

Details Internal heated differential temperature roll Internal heated differential temperature roll

1981-03-31

1983-05-24

Mayewsky, Volodymyr Y.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

156164, 156495, 219388, H05B 302

Patent

active

043852246

ABSTRACT:
A heat treating roll for heating selected spaced areas of stretched thermoplastic elastomeric material so as to "kill" the elastic properties of the heat treated areas wherein insulated arcuate shoes are disposed in grooves in the roll with an air space between the shoes and the bottoms of the grooves and with the outer surface of the shoes disposed radially outward from the ungrooved surface of the roll so that the insulated shoes are pressed by companion chill roll while the heated surfaces of the roll are not and the elastic material is transferred from the nip between the heated roll and the chill roll to stabilize the elastic/inelastic properties of the heat treated elastomeric ribbons.

REFERENCES:
patent: 2739218 (1956-03-01), Wormerlund
patent: 3211893 (1965-10-01), Barlow et al.
patent: 3423573 (1969-01-01), Richards et al.
patent: 4005302 (1977-01-01), Graf et al.
patent: 4013871 (1977-03-01), Namiki et al.
patent: 4081301 (1978-03-01), Buell
patent: 4300967 (1981-11-01), Sigl

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