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.

Date of Patent:
May. 11, 1999

Filed:

Dec. 29, 1997
Applicant:
Inventors:

Jack J Ritchie, Washington, MI (US);

Richard Benjamin Freeman, Oxford, MI (US);

Terry L Ingham, Oxford, MI (US);

John J Morse, Leonard, MI (US);

Joseph A Bodary, Utica, MI (US);

Assignee:

The Budd Company, Troy, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425544 ; 425257 ; 425297 ; 4253241 ; 425546 ; 425D / ;
Abstract

An automated transfer/injection molding apparatus and process is defined that includes a charge forming unit, a shuttle unit, and a molding unit. The charge is formed from one or more slabs of reinforcing fibers and a resinous material. Once formed, the charge is preheated in the charge shuttle unit and is delivered to the molding unit, whereupon the preheated charges are forced by the pressure of a movable platform under vacuum into a mold cavity for polymerization. The fibers within the slabs are randomly oriented in parallel horizontal planes such that they are always parallel to the direction of initial flow into the cavity.


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Ritchie, Jack. (1999). Automated thermoset molding apparatus (U.S. Patent No. 5902613). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5902613

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