Facility for manufacturing two- or multi-compartment tubes
US6227837A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 1999 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | May 21, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D23/20
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to an apparatus for the manufacture of dual- or multiple-chamber tubes from tube bodies (6, 6', 6") comprising one single partition (7) or a plurality of partitions (18, 19; 20), provided with a tube head having a discharge aperture adapted to be closed, using mandrels corresponding to the inner contour of the desired tube and adapted to be assigned to working stations, the mandrels being divided longitudinally into individual sectional mandrels (3, 4; 17a, b, c; 21a, b) corresponding to the number of chambers provided and leaving a gap (5) between them, the respective sectional mandrels (3, 4; 17a b, c; 21a, b) having a cross-section matching the cross-section of the cavity of an individual chamber of the respective multiple chamber tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.