Advancing material of indeterminate length – By fluid current – And web storage
Patent
1992-02-24
1992-12-22
Stodola, Daniel P.
Advancing material of indeterminate length
By fluid current
And web storage
226119, 226197, 226 7, 34 10, 34156, B65H 2300
Patent
active
051728443
ABSTRACT:
Thin, elongated material, such as ribbons, tapes, and the like, are passed through a treatment zone or chamber substantially in a frictionless manner to avoid distorting the elongated material. This purpose is achieved in that a plurality of direction changing stations in a treatment chamber simultaneously function as transport stations. The transport is accomplished by a flowing transport fluid which is applied to the elongated material through at least one, preferably several jet nozzles in the direction reversing stations. The fluid is applied in a direction substantially corresponding to the transport direction and passes around a guide surface where it forms a travelling cushion between the guide surface and the elongated material. The flow speed of the fluid corresponds at least to the transport speed or the inlet speed into the chamber. Each direction changing station includes a guide body having a surface around which the elongated material is guided from an inlet side of the guide body to its outlet side. Each station includes the above mentioned nozzles through which the transport fluid is flowing under pressure to form the required jet speeds between the guide surface and a surface of the elongated material.
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Bandfabrik Breitenbach AG
Bowen Paul
Fasse W. G.
Kane, Jr. D. H.
Stodola Daniel P.
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