Patent · US Expired

Apparatus for granulating plastics

US5190768A · kind A · utility

16Cited by
5References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1991
Grant dateMar 2, 1993
Priority date
Expiry dateMay 22, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29B9/065
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A plastics granulating apparatus includes a cutter holder having cutter knives driven to rotate along a die surface of a die and a housing provided with a cutter drive shaft for driving the cutter holder to rotate in a manner so that plastics particles are obtained by cutting resin extruded from the die with the cutter knives, wherein a sleeve is axially movably provided in the housing so as to coaxially rotatably hold the cutter drive shaft, and a pressure medium is supplied into space chambers formed between the sleeve and the housing so that the cutter drive shaft moves axially with axial movement of the sleeve.

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