Invention Grant
- Patent Title: Method for making biodegradable absorbent pads
- Patent Title (中): 制造可生物降解吸收垫的方法
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Application No.: US529420Application Date: 1995-09-18
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Publication No.: US5575047APublication Date: 1996-11-19
- Inventor: Roland W. Gerstenberger , Robert L. Buck
- Applicant: Roland W. Gerstenberger , Robert L. Buck
- Applicant Address: OR Portland
- Assignee: Athena Medical Corporation
- Current Assignee: Athena Medical Corporation
- Current Assignee Address: OR Portland
- Main IPC: A61F13/15
- IPC: A61F13/15 ; A61F13/20 ; A61F13/472 ; D04H1/22
Abstract:
There is provided a biodegradable feminine hygienic interlabia pad which includes a biodegradable inner absorbent sliver made of cotton or rayon and a biodegradable outer cover also made of cotton or rayon. The edges of the outer cover are sewn together to form a hollow cylinder. There is also provided a method and apparatus for manufacturing the pads. A rope of absorbent material and a web of the outer covering are brought together in a die. The die in the form of a hollow tube and a tapered guide which causes the outer covering to enclose the absorbent material with the seam for the outer covering being on the inside of the pad. The die includes an opening for exposing the adjacent edges of the web so that the edges may be sewn together. Also adjacent panels are formed by sewing the pad itself.
Public/Granted literature
- US4017426A Highly porous conductive ceramics and a method for the preparation of same Public/Granted day:1977-04-12
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