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:
Aug. 20, 1991
Filed:
Oct. 30, 1989
Carl F Johnson, New Boston, MI (US);
Norman G Chavka, Allen Park, MI (US);
Ford Motor Company, Dearborn, MI (US);
Abstract
A resin transfer molding preform is disclosed comprising a formation of fiber reinforcement material and a web in direct contact with the formation and encapsulating at least a portion thereof, i.e., the web secured or fixed to the fiber reinforcement material mechanically or by adhesion, etc. A method of making certain of the resin transfer molding preforms of the invention comprises spraying random chopped fiber reinforcement material onto a forming member while drawing a vacuum through the forming member, applying a web over at least a portion of the fiber formation while it remains on the forming member, and compressing the fiber reinforcement material under the web to reduce the loft thereof. Also disclosed is a resin transfer molding process employing a preform according to the invention.