Filter attachment machines
US4290518A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1979 |
| Grant date | Sep 22, 1981 |
| Priority date | — |
| Expiry date | Aug 3, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/6558
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A device for staggering and aligning filter portions cut from multiple-length filter rods includes a first fluted drum which conveys the filter rods (already cut) to a second fluted drum with a rolling plate for rolling at least one portion of each filter rod into a staggered position with respect to another portion of the same rod, at least one stationary finger being arranged to hold adjacent filter portions out of the flutes until they have been rolled to their staggered positions at least some of the filter portions along the flutes of the second drum are then displaced to align all the filter portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.