Method for cottonwool tampon
Patent 4624668 Issued on November 25, 1986. Estimated Expiration Date: 
January 23, 2004. 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.
January 23, 2004. 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 3322123 Wrapped folded tampons Method of making tampon with a non-woven wrap Patent #: 4359357 InventorAssigneeApplicationNo. 06/573082 filed on 01/23/1984US Classes:604/358Absorbent pad for external or internal application and supports therefor (e.g., catamenial devices, diapers, etc.)ExaminersPrimary: Pellegrino, Stephen C.Assistant: Vinyard, Sherri E. Attorney, Agent or FirmInternational ClassA61F 13/20 (20060101)Foreign Application Priority Data1983-01-24 DEAbstractA method of making a cottonwool tampon incorporating a recovery cord in which a length of cottonwool strip is wrapped in a fluff-free covering material without any accumulations of material or seams being necessary or being formed at the front end. According to the invention, a curtain of covering material is draped into the feed path of the length of cottonwool strip in such a way that, as the cottonwool strip advances, the covering material is folded around its leading edge and is applied to the upper and lower surfaces of the length of the cottonwool strip. | |
