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:
Apr. 05, 1977
Filed:
Nov. 28, 1975
Applicant:
Inventor:
Nickolas N Sokolow, Cheshire, MA (US);
Assignee:
Beloit Corporation, Beloit, WI (US);
Primary Examiner:
Int. Cl.
CPC ...
B29F / ;
U.S. Cl.
CPC ...
4252 / ; 425208 ; 425251 ; 259185 ; 222409 ; 222412 ;
Abstract
An injection molding machine having a barrel and a reciprocating and rotatable screw disposed therein. A combination heat transfer and stratification device is disposed between the screw and the outlet of the barrel. The device includes a generally tubular portion having radially inwardly extending ribs. The ribs are in contact with the inner wall of the barrel. Heating means supply heat to the portion of the barrel containing the device and heat is transmitted through the rib portions.