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. 24, 2001
Filed:
Dec. 09, 1999
Applicant:
Inventors:
Paul L. Wright, Aurora, IL (US);
Richard P. Nightingale, Woodstock, IL (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/520 ;
U.S. Cl.
CPC ...
B29C 4/520 ;
Abstract
An injection apparatus comprises a recessed injection gate allowing cooling ducts to be run proximate thereto and an extended nozzle configured to extend to the recessed injection gate. The apparatus also comprises an insulating and sealing insert positioned adjacent to the injection gate locating it between the nozzle and the injection cavity during injection to thermally insulate the injection gate from the nozzle and to prevent melt material from leaking between the nozzle and the gate. The insert also accommodates variations in the nozzle sizes to assure a tight seal at each nozzle.