The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2015
Filed:
Jul. 03, 2008
Karina Wehrle, Slough, GB;
Christopher Abbott, Slough, GB;
Kamyar Nabavi, Cleveland, OH (US);
Peter Gibbs, Slough, GB;
Karina Wehrle, Slough, GB;
Christopher Abbott, Slough, GB;
Kamyar Nabavi, Cleveland, OH (US);
Peter Gibbs, Slough, GB;
Mars, Incorporated, McLean, VA (US);
Abstract
An extrudercomprises a barreland a screwmounted in the barrel for rotation. The screw comprises screw threads. The barrel has an inlet funneltoward one end for material to be extruded and a die platewith openingsat the other end and an air inlet porttoward one end of the barrel and an air outlet porttoward the other end. The screw threads are such that materialin the barrel is moved more quickly along the portion of the barrel between the air inlet port and the air outlet port than upstream of that portion. The air outlet is connected to a pumpso that there is a pressure difference between the air inlet and the air outlet.