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:
May. 03, 1977
Filed:
Aug. 27, 1975
Applicant:
Inventors:
John J Satterfield, III, Akron, OH (US);
Kenneth E Swain, Hoffman Estates, IL (US);
Assignee:
Americhem, Inc., Cuyahoga Falls, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01F / ; B65G / ;
U.S. Cl.
CPC ...
259 18 ; 198761 ; 259D / ;
Abstract
Apparatus for continuously metering small amounts of comminuted plastic color pigment or concentrate in desired proportions to a volume of resin being supplied to an extruder. The feed of the color concentrate is accurately metered by a controlled electromagnetic vibrator and delivered into the resin feed throat of the extruder.