Method and apparatus for welding bags to rings
US5603802A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1993 |
| Grant date | Feb 18, 1997 |
| Priority date | — |
| Expiry date | Jul 27, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1776
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for welding a reinforcing member to a bag-like device or contraceptive device is disclosed. The apparatus includes at least one hollow mandrel. The hollow mandrel has an outer surface with an annular groove for holding the reinforcing member. The apparatus has a means for applying a closed end of the bag-like device into the hollow mandrel and an open end of the bag-like device over the hollow mandrel at the outer surface with the annular groove for welding holding the reinforcing member. The apparatus also includes a welding device for the reinforcing member to the bag-like device. A method for welding the reinforcing member to a bag-like device is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.