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:
Mar. 31, 1981
Filed:
May. 10, 1979
Applicant:
Inventor:
Mounir A Shatila, Blackfoot, ID (US);
Assignee:
Ampco Foods Inc., San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A21C / ;
U.S. Cl.
CPC ...
4251331 ; 994506 ; 426 94 ; 426503 ; 426516 ;
Abstract
An apparatus for extruding pumpable materials comprising an outer conduit means connected to a material supply source said outer conduit means being arranged around two inner conduit means one of which is connected to another material supply source and the other of which is in communication with the ambient. A method for extruding one material to surround another material comprising extruding one material into a hollow extrusion to surround a supply of another material filling the center of the extrusion whereby air contained in the center of the extrusion is displaced to the ambient.