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:
Dec. 26, 1978
Filed:
Aug. 22, 1977
Applicant:
Inventor:
Paul E Allen, Newtown, CT (US);
Assignee:
Logic Devices, Inc., Sandy Hook, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29F / ;
U.S. Cl.
CPC ...
264 405 ; 264328 ; 425149 ; 425150 ;
Abstract
An apparatus and method for providing a signal that measures the extent of the separation of injection mold dies during the injection of plastic material into the mold cavity and uses this signal to reduce the possibility of flash damage to the mold dies by decreasing the pressure clamping the molds together if the separation exceeds a value that is known to cause flash and/or further utilizes the signal to alter the rate of injection of plastic material.