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:
Jul. 14, 1981
Filed:
Oct. 19, 1976
Applicant:
Inventor:
Paul E Allen, Newtown, CT (US);
Assignee:
Logic Devices, Inc., Bethel, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22D / ; F28F / ;
U.S. Cl.
CPC ...
249 81 ; 165 70 ; 16510432 ;
Abstract
A system for cooling plastic molds with a flowing liquid while obviating leaking of the fluid and still enabling the mold to basically determine the quantity of liquid flowing, by providing a less than atmospheric pressure within the mold and increasing where needed, the cooling effect of the flowing liquid by in effect, providing a controlled adjustable air leak.