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:
Nov. 15, 1988
Filed:
Jun. 13, 1984
Applicant:
Inventor:
Robert Spurr, West Hartford, CT (US);
Assignee:
Fedders Machine & Tool Co., Inc., Londonderry, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29G / ;
U.S. Cl.
CPC ...
26432819 ; 425560 ; 425564 ;
Abstract
A method of injection molding of plastic parts in a mold in continuing cycles including the plasticizing of a moldable plastic and injecting the moldable plastic into a mold cavity characterized in that after the mold cavity is charged with plastic, pressure is maintained on the mold through an accumulator, with the accumulator being completely purged and refilled during each cycle thereby avoiding having in the accumulator static or stale plastic.