Method for the flat manufacture of three-dimensional articles, particularly absorbent, disposable articles, and an article produced in accordance with the method
US5366452A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1992 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Jun 19, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/49042
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to a method for the flat manufacture of three-dimensional articles, in particular absorbent disposable articles. According to the invention, a plurality of narrow, flexible absorbent bodies (1.sub.a -1.sub.g) are placed sequentially on a thin material web of liquid-impermeable material (2; 2') or liquid-permeable material, said pads having mutually diverging side surfaces on both sides of a central pan of said pads intended to form the crotch parts of a manufactured article; placing a thin, second material web of liquid-permeable material (4) or liquid-impermeable material over said bodies and fastening second material web to the first material web (2; 2') so as to enclose each pad between the two material webs; and by rendering those parts of the mutually joined material webs located between the different pads contractable prior to or in conjunction with placing the liquid-permeable material web in position; and by then causing the contractable parts of the material webs to contract and therewith move the side surfaces of the pads towards one another. The invention also relates to an absorbent disposable article manufactured in accordance with the met…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.