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:
Feb. 23, 1982
Filed:
Nov. 17, 1980
Applicant:
Inventors:
Robert A Esposito, Granby, MA (US);
Frederick F Valego, Jr, Monson, MA (US);
John C Hoagland, Longmeadow, MA (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Primary Examiner:
Int. Cl.
CPC ...
B29F / ;
U.S. Cl.
CPC ...
264171 ; 264-13 ; 264345 ; 4251311 ; 4251335 ; 425462 ;
Abstract
The invention relates to a process and apparatus for producing a colored band in an extruded thermoplastic sheet. In the process, a probe is inserted in a sheet extrusion die manifold and a colored melt is injected into the polymer melt such that a sheet with an encapsulated colored band is obtained.