Apparatus for heat treating a continuously moving web

Details Apparatus for heat treating a continuously moving web Apparatus for heat treating a continuously moving web

1981-09-14

1983-07-12

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With apparatus using centrifugal force

34155, 34160, 34162, 34159, F26B 1306

Patent

active

043923097

ABSTRACT:
A heat-treatment apparatus for a textile web comprises a gas-pervious conveyor belt having a stretch defining a treatment path having an upstream end and a downstream end, a system for feeding the web to the upstream end and for advancing the belt to advance the web toward said downstream end along the path, a plurality of upwardly directed lower slot nozzles underneath the stretch along said path, a plurality of downwardly directed upper slot nozzles above the stretch along the path and a device for feeding a hot gas alternately to the upper and lower nozzles. The lower slot nozzles are transverse to at least some of the upper slot nozzles.

REFERENCES:
patent: 3371427 (1968-03-01), Thygeson, Sr.
patent: 4154005 (1979-05-01), Pickering et al.
patent: 4219942 (1980-09-01), Coliva

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