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. 08, 2001
Filed:
Sep. 10, 1999
Applicant:
Inventors:
Frederick P. Keller, Grand Rapids, MI (US);
John E. Misner, Grandville, MI (US);
Dan Fild, Ada, MI (US);
Assignee:
Cascade Engineering, Inc., Grand Rapids, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 4/576 ;
U.S. Cl.
CPC ...
B29C 4/576 ;
Abstract
Molding of relatively large articles such as automobile body parts by gas-assisted injection molding with sequential gating of injected thermoplastic resin into the mold cavity. Elongated ribs in the parts form gas channels and strengthening ribs for the parts. Structural parts are made by adhesively joining two such parts made by gas-assisted injection molding through a combination of hollow ribs and joining flanges at sides of the parts.