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US 4,301,101 AGranted
Continuous application of liquid finish to a spinneret
AssigneeAkzona Incorporated
InventorsAdolf Bachmann, Joachim Boehler, Heinz Linhart
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AssigneeAkzona Incorporated
InventorsAdolf Bachmann, Joachim Boehler, Heinz Linhart
Estimating the term…
A device for the continuous application of spin finishes to a spinneret as well as a process of said application are described. The device has a flat distribution body which can be attached and detached to the exit face of a spinneret. Holes are provided in the body corresponding to the spinneret orifices for melt spinning of filaments. Also the device includes a fastening member for pressing the distribution body on to the exit face of the spinneret. This member has a feeding orifice for the spin finish. The device may also include seals arranged above and below the distribution body. The distribution body may be sieve-like or consist of a perforated foil or of a foil having channel-like recesses linked with each other and an inlet orifice for the spin finish. The foil may have raised portions that serve as baffles and that are arranged in a pattern between the individual recesses.
A process for the continuous application of liquid finish to the exit face of a spinneret for melt spinning of polymeric materials which comprises continuously metering the liquid finish via a feed opening in a fastening element to a removable and reinstallable distribution element provided with openings corresponding to the pattern spinning orifices in the spinneret and directing the flow of the liquid finish around said openings in said distribution element thereby distributing the finish over the exit face, said distribution element being pressure-fitted by the fastening element on to the exit face of the spinneret.
Dependencies are inferred from the claim text.