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. 26, 1981
Filed:
Jan. 25, 1980
Applicant:
Inventor:
James F Ronayne, Fishkill, NY (US);
Assignee:
Norfield Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425407 ; 425384 ; 425445 ; 4258 / ; 249 79 ; 249141 ;
Abstract
A platen capable of being heated is disclosed wherein fluid flow zones containing heat exchange channels are individually sealed. The heat exchange channels in the platen are connected by a connecting channel sized so that the distance from the connecting channel to a vent passage or a vented opening in the platen is not less than the distance from the vent passage or vented opening to the heat exchange channel. The sealing of the fluid flow zones is accomplished with plugs and end plates which are welded to the platen and then welded together with a fillet weld.