Apparatus and method for ultrasonic sealing disposable diapers
US5421924A · kind A · utility
89Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1993 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | Dec 2, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1737
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for transversely sealing multi-ply diaper webs including an ultrasonic horn assembly above the web and an anvil assembly below the web, and including orbiting the two assemblies with points of orbit intersection at two spaced apart points on the web and with one of the assemblies being resiliently mounted so as to yield when the two assemblies come in contact during sealing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.