Patent · US Active

Method and device for extrusion of hollow pellets

US9815223B2 · kind B2 · utility

0Cited by

57References

20Claims

0Family size

Assignee

Gala Industies, Inc. · US

Inventors

J. Wayne Martin · Richlands, US
Michael A. Fridley · Eagle Rock, US
Michael Eloo · Xanten, DE

Key dates

Filing date	Sep 15, 2014
Grant date	Nov 14, 2017
Priority date	—
Expiry date	Sep 30, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29K2995/0056
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Described herein are extrusion processes to produce hollow pellets. Also disclosed are pelletizer devices that can be used to produce the hollow pellets. The processes and devices make use of an extrusion die having a die orifice and an insert that is placed in the die orifice to produce the hollow pellets.

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