Patent · US Expired

Method for pelletizing synthetic resins having a high melting point

US3949039A · kind A · utility

8Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1974
Grant dateApr 6, 1976
Priority date
Expiry dateNov 8, 1994

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29B7/72
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Synthetic resins are extruded through nozzles of a die under water, each nozzle having a straight bore having an inner diameter of 3 mm or above at a velocity of at least 1.0 m/sec. and cut into pellets under the water in front of the exits of the nozzles.

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