Spinning process
Patent 4340559 Issued on July 20, 1982. Estimated Expiration Date: 
October 31, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 31, 2000. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3767756 Air gage spinning process Patent #: 4078034 InventorAssigneeApplicationNo. 06/202737 filed on 10/31/1980US Classes:264/181, With stretching in bath of extruded article264/184Synthetic resin containing extrudantExaminersPrimary: Woo, Jay H.International ClassesD01F 6/60 (20060101)D01D 5/06 (20060101) AbstractImproved aromatic polyamide fibers from aromatic polyamides whose chain-extending bonds are either coaxial or parallel and oppositely directed are obtained by dry spinneret wet spinning into a shallow coagulating bath having an orifice in its bottom for removal of coagulating liquid and fibers wherein no more than a minor portion of coagulating liquid is lower than the entrance of the bath orifice in the proximity of the bath orifice. Preferably, no more than 10% of the coagulating liquid is lower than the entrance of the bath orifice and most preferably none of the coagulating liquid is lower than the entrance of the bath orifice. | |
