Patent · US Expired

Extruder drive

US3947000A · kind A · utility

3Cited by
6References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 6, 1974
Grant dateMar 30, 1976
Priority date
Expiry dateMar 6, 1994

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C48/03
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

An extruder for synthetic material with at least two mixing and conveying worms, comprising an extruder housing, an extruder inlet, a driving member for driving one of the worms and a gearing for driving the second worm, said gearing comprising two gear wheels with inclined toothings. These gear wheels are mounted on either side of the mixing and conveying worm and cooperate therewith.

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