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:
Sep. 20, 1994

Filed:

Oct. 30, 1992
Applicant:
Inventors:

Albert H Berghuis, Shelby, NC (US);

Richard C McKechnie, Bergen op Zoom, NL;

Albert Drenth, Tholen, NL;

Assignee:

Azdel, Inc., Shelby, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428285 ; 428280 ; 428284 ; 428902 ; 428408 ; 264258 ; 264317 ;
Abstract

An improved method for forming a hollow core structural member, such as an automotive bumper beam, from moldable plastic sheets, such as fiberglass reinforced plastic sheets, by providing a press having a desired shape on the opposing members of the press, placing opposed sheets in the press with a layer of frozen, meltable material, such as ice, in place between them, forming the sheets into the desired article configuration in the press, removing the formed member from the press, then melting and removing the meltable material from the interior of the formed member.


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