Patent · US Expired

Filter cigarette manufacture

US4746006A · kind A · utility

7Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1986
Grant dateMay 24, 1988
Priority date
Expiry dateMay 16, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA24C5/478
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

Apparatus for separating axially-aligned rods of the cigarette industry comprises a first pair of conical drums (14,16) mounted on a first common sleeve (32) and arranged to receive respectively the two rods (10) of each pair to be separated, the axes of rotation (22, 24) of the drums being inclined so as to separate the rods carried by the respective drums; a second pair of conical drums (25,26) mounted on a second common sleeve and arranged to receive the cigarettes from the first pair of conical drums, the second pair of conical drums having axes inclined so as to space the rods further apart while returning the rods to axially-aligned orientations; and device (28) for receiving the spaced-apart rods from the second pair of conical drums.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.