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:
Aug. 28, 1984
Filed:
May. 02, 1983
Applicant:
Inventor:
David L Rawlings, Bayville, NY (US);
Assignee:
International Hydron Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B / ; B29D / ; B29G / ;
U.S. Cl.
CPC ...
425 73 ; 264-21 ; 264 85 ; 264311 ; 425210 ; 425434 ; 425808 ;
Abstract
An improved gas feed means adapted to accommodate and secure the lower end of a polymerization column for synchronous rotation therewith and adapted to supply a controlled amount of a gaseous medium, such as nitrogen, into and through the rotating polymerization column so as to purge any undesirable gas within the polymerization column that could adversely affect the quality of the objects being centrifugally casted.